300mA Low Voltage LDO REGULATOR R1131x SERIES NO. EA-116-0503 OUTLINE The R1131x Series are CMOS-based low voltage regulator ICs with output voltage range from 0.8V to 3.3V. The minimum operating voltage is 1.4V. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a current limit circuit, and a chip enable circuit. To prevent the destruction by over current, current limit circuit is included. Standby mode realizes ultra small consumption current. The output voltage of these ICs is internally fixed with high accuracy. Since the packages for these ICs are SOT-23-5, SON-6, and HSON-6, high density mounting of the ICs on boards is possible. FEATURES * Ultra-Low Supply Current .................................Typ. 80A (VOUT<1.8V), Typ. 60A (VOUT > = 1.8V) * Standby Mode ...................................................Typ. 0.1A * Low Dropout Voltage.........................................Typ. 0.48V(IOUT=300mA Output Voltage=1.0V Type) Typ. 0.31V(IOUT=300mA Output Voltage=1.5V Type) Typ. 0.23V(IOUT=300mA Output Voltage=3.0V Type) * High Ripple Rejection .......................................Typ. 65dB(f=1kHz) * Low Temperature-Drift Coefficient of Output Voltage Typ. 100ppm/C * Excellent Line Regulation .................................Typ. 0.01%/V * High Output Voltage Accuracy ..........................2.0% * Small Package ................................................SOT-23-5(Super Mini-mold), SON-6, HSON-6 * Output Voltage ..................................................Stepwise setting with a step of 0.1V in the range of 0.8V to 3.3V is possible * Input Voltage .....................................................Min. 1.40V * Built-in fold-back protection circuit ....................Typ. 50mA (Current at short mode) * External Capacitors...........................................CIN = COUT = Tantalum 1.0F (VOUT<1.0V) CIN = COUT =Ceramic 1.0F (VOUT > = 1.0V) APPLICATIONS * Precision Voltage References. * Power source for electrical appliances such as cameras, VCRs and hand-held communication equipment. * Power source for battery-powered equipment. 1 R1131x BLOCK DIAGRAM R1131xxxxA R1131xxxxB VDD VOUT VOUT VDD + Vref Vref Current Limit Current Limit CE GND GND CE R1131xxxxD VOUT VDD + Vref Current Limit GND CE SELECTION GUIDE The output voltage, the chip enable polarity, package type, and the taping type for the ICs can be selected at the user's request. The selection can be available by designating the part number as shown below; R1131xxxxx-xx Part Number a b a'c d Code a, a' b c d 2 Contents Designation of Package Type : R1131Nxx1x-xx:SOT-23-5 (Mini-mold) R1131Dxx1x-xx:SON-6, R1131Dxx2x-xx:HSON-6 Setting Output Voltage (VOUT):Stepwise setting with a step of 0.1V in the range of 0.8V to 3.3V is possible. If the output=1.85V, then the code is R1131x18xx5. If the output=2.85, then the code is R1131x28xx5. Designation of Chip Enable Option : A:"L" active type. B:"H" active type. D:"H" active and with auto discharge function Designation of Taping Type : TR Refer to Taping Specifications R1131x PIN CONFIGURATIONS SOT-23-5 5 SON-6 HSON-6 4 (mark side) 1 2 1 6 2 5 3 4 6 5 4 1 2 3 3 PIN DESCRIPTIONS * * SOT-23-5 Pin No Symbol Pin Description 1 VDD 2 GND 3 CE or CE Chip Enable Pin 4 NC No Connection 5 VOUT Output pin Input Pin Ground Pin SON-6, HSON-6 Pin No Symbol Pin Description 1 VDD Input Pin 2 NC No Connection 3 VOUT Output pin 4 NC No Connection 5 GND 6 CE or CE Ground Pin Chip Enable Pin Tabs and tab suspension leads could be short to the GND level. 3 R1131x ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Unit 6.5 V -0.3 ~ 6.5 V VIN Input Voltage VCE Input Voltage( CE /CE Pin) VOUT Output Voltage -0.3 ~ VIN+0.3 V IOUT Output Current 350 mA Power Dissipation(SOT23-5) PD 250 Power Dissipation(SON-6) Power Dissipation(HSON-6) mW 400 Topt Operating Temperature Range -40 ~ 85 C Tstg Storage Temperature Range -55 ~ 125 C ELECTRICAL CHARACTERISTICS * R1131xxxxA Symbol Topt=25C Item VOUT Output Voltage IOUT VOUT/ IOUT VDIF Output Current ISS1 Conditions VIN =Set VOUT+1V Note 1 1A < = IOUT < = 30mA Dropout Voltage Supply Current Istandby Supply Current (Standby) Line Regulation RR Ripple Rejection VIN VOUT/ T ILIM RPU Input Voltage Output Voltage Temperature Coefficient Short Current Limit 4 VOUT x0.98 (-30mV) 300 Max. Unit VOUT x1.02 (30mV) V VIN = Set VOUT+1V,VOUT<1.8V 80 111 A VIN = Set VOUT+1V,VOUT > = 1.8V VIN = VCE = Set VOUT+1V Set VOUT+0.5V < = VIN < = 6.0V IOUT = 30mA Set VOUT < 0.9V: 1.4V < = VIN < = 6.0V f = 1kHz, Ripple 0.2Vp-p VIN = Set VOUT +1V,IOUT = 30mA 60 0.1 90 1.0 A A 0.01 0.15 %/V 65 1.4 IOUT = 30mA -40C < = Topt VOUT = 0V < = 1.87 VCEH CE Input Voltage "H" 1.0 VCEL VEN CE Input Voltage "L" Output Noise 50 5.00 0.0 BW =10Hz to 100kHz < = 1.5V. dB 6.0 V ppm /C mA 12.00 M 6.0 V 100 85C CE Pull-up Resistance Note1: 30mV tolerance for VOUT Typ. mA VIN - VOUT =1.0V VIN =Set VOUT+1V, 40 70 mV 1mA < = IOUT < = 300mA Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Load Regulation VOUT/ VIN Min. 0.3 30 V Vrms R1131x * R1131xxxxB/D Symbol Topt=25C Item VOUT Output Voltage IOUT VOUT/ IOUT VDIF Output Current ISS1 Conditions Dropout Voltage Supply Current Line Regulation RR Ripple Rejection RLOW Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L" Output Noise Nch On Resistance for auto discharge (applied to D version only) Note1: 30mV tolerance for VOUT Max. Unit VOUT x1.02 (30mV) V mA VIN - VOUT =1.0V VIN=Set VOUT+1V 40 70 mV 1mA < = IOUT < = 300mA Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Load Regulation VOUT/ VIN Typ. VOUT x0.98 (-30mV) 300 VIN=Set VOUT+1V Note 1 1A < = IOUT < = 30mA Istandby Supply Current (Standby) VIN VOUT/ T ILIM RPDC VCEH VCEL VEN Min. < = VIN =Set VOUT+1V,VOUT<1.8V 80 111 A VIN =Set VOUT+1V,VOUT > = 1.8V VIN=Set VOUT+1V, VCE=GND Set VOUT+0.5V < = VIN < = 6.0V IOUT=30mA Set VOUT<0.9V: 1.4V < = VIN < = 6.0V f =1kHz, Ripple 0.2Vp-p VIN =Set VOUT+1V,IOUT =30mA 60 0.1 90 1.0 A A 0.01 0.15 %/V 65 1.4 dB BW=10Hz to 100kHz 30 V ppm /C mA M V V Vrms VCE =0V 60 IOUT =30mA -40C < = Topt VOUT =0V < = 6.0 100 85C 1.87 1.0 0.0 50 5.00 12.00 VIN 0.3 1.5V. ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Topt = 25C Output Voltage VOUT (V) Dropout Voltage VDIF (V) Condition 0.8=VOUT 0.9=VOUT 1.0 < = VOUT 1.5 < = VOUT 2.6 < = VOUT < = < = 1.5 2.6 IOUT = 300mA VDIF Typ. Max. 0.620 0.850 0.550 0.780 0.480 0.310 0.230 0.700 0.450 0.350 5 R1131x TECHNICAL NOTES When using these ICs, consider the following points: Phase Compensation In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For this purpose, be sure to use a 1.0F or more capacitor COUT with good frequency characteristics and ESR (Equivalent Series Resistance). (Note: If a tantalum capacitor is connected to the Output pin for phase compensation, if the ESR value of the capacitor is too large, the operation might be unstable. Because of this, test these ICs with as same external components as ones to be used on the PCB.) Chip capacitor characteristics of Bias dependence and Temperature characteristics may vary depending on its size, manufacturer, and part number. PCB Layout Make VDD and GND lines sufficient. If their impedance is high, pick-up the noise or unstable operation may result. Connect a capacitor with as much as 1.0mF capacitor between VDD and GND pin as close as possible. Set external components, especially the output capacitor, as close as possible to the ICs, and make wiring as short as possible. TYPICAL APPLICATION VDD VIN C1 OUT R1131xxxxx SERIES IOUT C2 A GND CE External Components examples: CM05X5R105K06AB (Kyocera) C1005JBOJ105K (TDK) GRM155B30J105KE18B (Murata) Output Capacitor; 1.0F or more capacity ceramic Type (If VOUT<1.0V, Tantalum Type is recommended) Input Capacitor, 1.0F or more capacity ceramic Type 6 R1131x TYPICAL CHARACTERISTICS 1) Output Voltage vs. Output Current R1131x08xx R1131x15xx 1.6 0.9 Output Voltage VOUT (V) Output Voltage VOUT (V) 1.0 VIN =2.8V 0.8 0.7 1.45V 0.6 0.5 0.4 0.3 0.2 1.2 1.0 0.8 1.8V 0.6 0.4 0.2 0.1 0.0 VIN =3.5V 1.4 0 100 200 300 400 500 Output Current lOUT (mA) 0.0 600 0 100 200 300 400 500 Output Current lOUT (mA) R1131x33xx 3.5 3.5 3.0 3.0 VIN =4.6V 2.5 Output Voltage VOUT (V) Output Voltage VOUT (V) R1131x26xx 2.0 1.5 2.9V 1.0 0.5 0.0 0 100 200 300 600 400 500 2.5 2.0 3.6V 1.5 1.0 0.5 0.0 600 VIN =5.3V 0 100 Output Current lOUT (mA) 200 300 400 500 600 Output Current lOUT (mA) 2) Output Voltage vs. Input Voltage R1131x15xx 1.0 1.8 0.9 1.6 Output Voltage VOUT (V) Output Voltage VOUT (V) R1131x08xx 0.8 0.7 0.6 0.5 0.4 IOUT= 1mA 0.3 IOUT=30mA 0.2 IOUT=50mA 1.2 1.0 IOUT= 1mA 0.8 IOUT=30mA 0.6 IOUT=50mA 0.4 0.2 0.1 0.0 1.4 0 1 2 3 4 Input Voltage VIN (V) 5 6 0.0 0 1 2 3 4 5 6 Input Voltage VIN (V) 7 R1131x R1131x26xx R1131x33xx 4.0 Output Voltage VOUT (V) Output Voltage VOUT (V) 3.5 3.0 2.5 2.0 IOUT= 1mA 1.5 IOUT=30mA 1.0 IOUT=50mA 0.5 3.5 3.0 2.5 2.0 IOUT= 1mA 1.5 IOUT=30mA 1.0 IOUT=50mA 0.5 0.0 0 1 2 3 4 5 0.0 6 0 1 2 3 4 5 6 5 6 5 6 Input Voltage VIN (V) Input Voltage VIN (V) 3) Supply Current vs. Input Voltage R1131x15xx 100 90 90 80 Supply Current ISSH (A) Supply Current ISSH (A) R1131x08xx 80 70 60 50 40 30 20 60 50 40 30 20 10 10 0 70 0 1 2 3 4 Input Voltage VIN (V) 5 0 6 0 1 R1131x33xx 90 90 80 80 Supply Current ISSH (A) Supply Current ISSH (A) R1131x26xx 70 60 50 40 30 20 10 0 8 2 3 4 Input Voltage VIN (V) 70 60 50 40 30 20 10 0 1 2 3 4 Input Voltage VIN (V) 5 6 0 0 1 2 3 4 Input Voltage VIN (V) R1131x 4) Output Voltage vs. Temperature R1131x15xx 1.53 0.83 1.52 Output Voltage VOUTH (V) Output Voltage VOUT (V) R1131x08xx 0.84 0.82 0.81 0.80 0.79 0.78 0.77 -50 -25 0 25 50 Temperature Topt ( 75 1.51 1.50 1.49 1.48 1.47 1.46 -50 100 -25 ) 2.63 3.35 2.62 2.61 2.60 2.59 2.58 -25 0 25 25 50 75 100 75 100 0 25 50 75 Temperature Topt ( ) 100 ) R1131x33xx 3.37 Output Voltage VOUTH (V) Output Voltage VOUTH (V) R1131x26xx 2.64 2.57 -50 0 Temperature Topt ( 50 Temperature Topt ( 75 3.33 3.31 3.29 3.27 3.25 3.23 -50 100 -25 ) 0 25 50 Temperature Topt ( ) 5) Supply Current vs. Temperature R1131x15xx 80 70 Supply Current IssH (A) Supply Current IssH (A) R1131x08xx 110 100 90 80 70 60 50 40 30 20 10 0 -50 -25 0 25 50 75 Temperature Topt ( ) 100 60 50 40 30 20 10 0 -50 -25 9 R1131x R1131x33xx 80 70 70 Supply Current IssH (A) Supply Current IssH (A) R1131x26xx 80 60 50 40 30 20 10 0 -50 -25 0 25 50 75 Temperature Topt ( ) 60 50 40 30 20 10 0 -50 100 -25 0 25 50 75 Temperature Topt ( ) 100 6) Dropout Voltage vs. Output Current R1131x09xx 0.8 0.7 0.7 85 0.6 25 0.5 -40 Dropout Voltage VDIF_H (V) Dropout Voltage VDIF_H (V) R1131x08xx 0.8 0.6 0.5 0.4 0.3 85 0.2 25 0.1 -40 0.0 0 50 100 150 200 250 Output Current IOUT (mA) 0.4 0.3 0.2 0.1 0.0 300 0 50 R1131x10xx 0.40 0.7 85 0.6 25 0.5 -40 Dropout Voltage VDIF_H (V) Dropout Voltage VDIF_H (V) 10 300 R1131x15xx 0.8 0.4 0.3 0.2 0.1 0.0 100 150 200 250 Output Current IOUT (mA) 0 50 100 150 200 250 Output Current IOUT (mA) 300 0.35 85 0.30 25 0.25 -40 0.20 0.15 0.10 0.05 0.00 0 50 100 150 200 250 Output Current IOUT (mA) 300 R1131x R1131x26xx R1131x33xx 0.40 0.35 85 0.30 25 0.25 -40 Dropout Voltage VDIF_H (V) Dropout Voltage VDIF_H (V) 0.40 0.20 0.15 0.10 0.05 0.00 0 50 100 150 200 250 Output Current IOUT (mA) 0.35 85 0.30 25 0.25 -40 0.20 0.15 0.10 0.05 0.00 300 0 50 100 150 200 250 Output Current IOUT (mA) 300 7) Dropout Voltage vs. Set Output Voltage (Topt=25C) R1131xxx1x Dropout Voltage VDIF_H (V) 0.80 IOUT=10mA 30mA 50mA 100mA 200mA 300mA 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 0.5 1 1.5 2 2.5 3 Set Output Voltage VREG (V) 3.5 8) Ripple Rejection vs. Input Bias (Topt=25C CIN=none, COUT=Ceramic 1.0F Ripple 0.2VP-P) R1131x26xx (IOUT=30mA) 80 70 70 Ripple Rejection RR (dB) Ripple Rejection RR (dB) R1131x26xx (IOUT=1mA) 80 60 50 40 30 f = 400Hz f = 1kHz f = 10kHz f = 100kHz 20 10 0 2.6 2.7 2.8 2.9 3.0 Input Voltage VIN (V) 3.1 3.2 60 50 40 30 f = 400Hz f = 1kHz f = 10kHz f = 100kHz 20 10 0 2.6 2.7 2.8 2.9 3.0 Input Voltage VIN (V) 3.1 3.2 11 R1131x R1131x26xx (IOUT=50mA) 80 Ripple Rejection RR (dB) 70 60 50 40 30 f = 400Hz f = 1kHz f = 10kHz f = 100kHz 20 10 0 2.6 2.7 2.8 2.9 3.0 Input Voltage VIN (V) 3.1 3.2 9) Ripple Rejection vs. Frequency (CIN=none) R1131x08xx R1131x08xx VIN=1.8VDC+0.2Vp-p, COUT=Tantal 1.0F VIN=1.8VDC+0.2Vp-p, COUT=Tantal 2.2F 100 RIpple Rejection RR_H (dB) RIpple Rejection RR_H (dB) 100 90 80 70 60 50 40 30 20 10 0 0.1 IOUT = 1mA IOUT = 30mA IOUT = 50mA 1 10 Frequency f (kHz) 90 80 70 60 50 40 30 20 10 0 0.1 100 R1131x10xx 70 60 50 0 0.1 12 RIpple Rejection RR_H (dB) RIpple Rejection RR_H (dB) 80 10 1 10 Frequency f (kHz) 100 100 90 20 IOUT = 50mA VIN=2.0VDC+0.2Vp-p, COUT=Ceramic 2.2F 100 30 IOUT = 30mA R1131x10xx VIN=2.0VDC+0.2Vp-p, COUT=Ceramic 1.0F 40 IOUT = 1mA IOUT = 1mA IOUT = 30mA IOUT = 50mA 1 10 Frequency f (kHz) 100 90 80 70 60 50 40 30 20 10 0 0.1 IOUT = 1mA IOUT = 30mA IOUT = 50mA 1 10 Frequency f (kHz) 100 R1131x R1131x15xx R1131x15xx VIN=2.5VDC+0.2Vp-p, COUT=1.0F VIN=2.5VDC+0.2Vp-p, COUT=2.2F 100 RIpple Rejection RR_H (dB) RIpple Rejection RR_H (dB) 100 90 80 70 60 50 40 30 20 10 0 0.1 IOUT = 1mA IOUT = 30mA IOUT = 50mA 1 10 Frequency f (kHz) 90 80 70 60 50 40 30 20 10 0 0.1 100 R1131x26xx RIpple Rejection RR_H (dB) RIpple Rejection RR_H (dB) 80 70 60 50 10 0 0.1 IOUT = 1mA IOUT = 30mA IOUT = 50mA 1 10 Frequency f (kHz) 80 70 60 50 40 30 20 10 0 0.1 100 RIpple Rejection RR_H (dB) RIpple Rejection RR_H (dB) 80 70 60 50 0 0.1 IOUT = 50mA 1 10 Frequency f (kHz) 100 100 90 10 IOUT = 30mA VIN=4.3VDC+0.2Vp-p, COUT= Ceramic 2.2F 100 20 IOUT = 1mA R1131x33xx VIN=4.3VDC+0.2Vp-p, COUT = Ceramic 1.0F 30 100 90 R1131x33xx 40 1 10 Frequency f (kHz) 100 90 20 IOUT = 50mA VIN=3.6VDC+0.2Vp-p, COUT = Ceramic 2.2F 100 30 IOUT = 30mA R1131x26xx VIN=3.6VDC+0.2Vp-p, COUT = Ceramic 1.0F 40 IOUT = 1mA IOUT = 1mA IOUT = 30mA IOUT = 50mA 1 10 Frequency f (kHz) 100 90 80 70 60 50 40 30 20 10 0 0.1 IOUT = 1mA IOUT = 30mA IOUT = 50mA 1 10 Frequency f (kHz) 100 13 R1131x 10) Input Transient Response (CIN = none, tr=tf=5s) R1131x08xx R1131x10x 4 0.86 3 Input Voltage 0.84 2 1 0.82 0 0.80 Output Voltage -1 0.78 0.76 0 -2 10 20 30 40 50 60 70 80 90 100 Time t (s) 1.08 4 1.06 3 Input Voltage 1.04 2 1 1.02 0 1.00 Output Voltage -1 0.98 0.96 0 Input Voltage VIN (V) 0.88 Output Voltage VOUT (V) IOUT=30mA, COUT = Ceramic 1.0F Input Voltage VIN (V) Output Voltage VOUT (V) IOUT=30mA, COUT = Tantalum 1.0F -2 10 20 30 40 50 60 70 80 90 100 Time t (s) R1131x26xx IOUT=30mA, COUT= Ceramic 1.0F 4 4 2.66 Input Voltage 2.64 3 2.62 2 2.60 1 Output Voltage 2.58 2.56 0 0 Input Voltage VIN (V) Output Voltage VOUT (V) 2.68 -1 10 20 30 40 50 60 70 80 90 100 Time t (s) 11) Load Transient Response (tr=tf=0.5s) R1131x08xx R1131x08xx 1.1 100 Load Current 1.0 50 0 0.9 -50 0.8 Output Voltage -100 0.7 5 10 15 20 25 Time t (s) 30 35 -150 40 1.2 60 1.1 30 Load Current 1.0 0 -30 0.9 -60 0.8 Output Voltage -90 0.7 0.6 0 5 10 15 20 25 Time t (s) 30 35 -120 40 Load Current IOUT (mA) 150 Output Voltage VOUT (V) 1.2 0.6 0 14 VIN=1.8V, CIN = tantalum 1.0F COUT = tantalum 2.2F Load Current IOUT (mA) Output Voltage VOUT (V) VIN=1.8V CIN= tantalum 1.0F,COUT = tantalum 1.0F R1131x R1131x10xx R1131x10xx 150 1.3 100 Load Current 50 0 1.1 -50 1.0 Output Voltage -100 0.9 5 10 15 20 25 Time t (s) 30 35 -150 40 1.3 100 1.2 0 1.1 -50 1.0 Output Voltage 0.9 0.8 0 5 10 R1131x10xx 30 0 Load Current 1.1 -30 1.0 -60 Output Voltage 5 10 15 20 25 Time t (s) 30 -90 35 Output Voltage VOUT (V) 1.3 Load Current IOUT (mA) Output Voltage VOUT (V) 60 0.8 0 -120 40 1.3 30 1.2 1.1 -30 1.0 -60 Output Voltage 0.9 0.8 0 5 10 50 Load Current 2.7 0 2.6 -50 Output Voltage 15 20 25 Time t (s) -100 30 35 -150 40 Output Voltage VOUT (V) 100 Load Current IOUT (mA) Output Voltage VOUT (V) 2.9 10 15 20 25 Time t (s) -90 30 35 -120 40 VIN=3.6V, CIN = Ceramic 1.0F COUT = Ceramic 2.2F 150 5 0 Load Current R1131x26xx 3.0 2.4 0 -150 40 60 VIN=3.6V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 2.5 35 1.4 R1131x26xx 2.8 30 VIN=2.0V, CIN = Ceramic 1.0F COUT = Ceramic 2.2F 1.4 0.9 15 20 25 Time t (s) -100 R1131x10xx VIN=2.0V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 1.2 50 Load Current Load Current IOUT (mA) 0.8 0 150 3.0 150 2.9 100 2.8 50 Load Current 2.7 0 2.6 -50 Output Voltage 2.5 2.4 0 5 10 15 20 25 Time t (s) -100 30 35 Load Current IOUT (mA) 1.2 1.4 Load Current IOUT (mA) 1.4 Output Voltage VOUT (V) VIN=2.0V, CIN= Ceramic 1.0F, COUT = Ceramic 2.2F Load Current IOUT (mA) Output Voltage VOUT (V) VIN=2.0V, CIN = Ceramic 1.0F COUT= Ceramic 1.0F -150 40 15 R1131x R1131x26xx R1131x26xx 60 2.9 30 2.8 0 Load Current 2.7 -30 2.6 -60 Output Voltage 2.5 2.4 0 5 10 15 20 25 Time t (s) 30 -90 35 -120 40 3.0 60 2.9 30 2.8 0 Load Current 2.7 -30 2.6 -60 Output Voltage 2.5 2.4 0 5 10 15 20 25 Time t (s) 30 -90 35 Load Current IOUT (mA) 3.0 Output Voltage VOUT (V) VIN=3.6V, CIN = Ceramic 1.0F COUT = Ceramic 2.2F Load Current IOUT (mA) Output Voltage VOUT (V) VIN=3.6V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F -120 40 12) Turn on speed with CE pin R1131x08xx R1131x08xx 2.5 VCE=0V1.8V 0.9 1.5 0.0 1.0 IOUT=0mA 0.0 -1.8 -2.7 -30 -20 -10 0 0.5 -0.5 10 20 30 40 50 60 70 Time t (s) VCE=0V1.8V 0.9 1.5 0.0 1.0 -0.9 -2.7 -30 -20 -10 0 16 -0.5 10 20 30 40 50 60 70 Time t (s) 2.0 VCE=0V1.8V 0.9 1.5 0.0 1.0 0.5 0.0 -0.5 10 20 30 40 50 60 70 Time t (s) CE Input Voltage VCE (V) 1.8 7 6 Output Voltage VOUT (V) CE Input Voltage VCE (V) 2.5 -2.7 -30 -20 -10 0 0.0 VIN=4.3V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 2.7 -1.8 0.5 R1131x33xx VIN=1.8V, CIN = Tantalum 1.0F COUT = Tantalum 1.0F IOUT=300mA IOUT=30mA -1.8 R1131x08xx -0.9 2.0 1.8 4 2 6 VCE=0V4.3V 4 0 3 -2 -4 5 IOUT=0mA 2 -6 1 -8 0 -10 -60 -40 -20 0 -1 20 40 60 80 100 120 140 Time t (s) Output Voltage VOUT (V) -0.9 CE Input Voltage VCE (V) 2.0 1.8 2.5 2.7 Output Voltage VOUT (V) 2.7 CE Input Voltage VCE (V) VIN=1.8V, CIN = Tantalum 1.0F COUT = Tantalum 1.0F Output Voltage VOUT (V) VIN=1.8V, CIN = Tantalum 1.0F COUT = Tantalum 1.0F R1131x R1131x33xx (ECO=H) R1131x33xx (ECO=L) VIN=4.3V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 2 6 4 5 4 0 3 -2 IOUT=30mA -4 2 -6 1 -8 0 -10 -60 -40 -20 0 -1 20 40 60 80 100 120 140 Time t (s) 7 6 VCE=0V4.3V 2 5 4 0 3 -2 IOUT=300mA -4 2 -6 1 -8 0 Output Voltage VOUT (V) VCE=0V4.3V 6 CE Input Voltage VCE (V) 4 7 Output Voltage VOUT (V) CE Input Voltage VCE (V) 6 VIN=4.3V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F -1 20 40 60 80 100 120 140 Time t (s) -10 -60 -40 -20 0 13) Turn-off Speed with CE R1131x08xD R1131x08xD 3.0 1.8 2.5 1.2 2.0 1.5 1.0 0.0 -0.6 IOUT=0mA 0.5 0.0 -1.2 -1.8 -0.6 -0.4 -0.2 0 -0.5 0.2 0.4 0.6 0.8 1.0 1.2 Time t (ms) 3.0 1.8 2.5 1.2 2.0 -0.6 -1.8 -0.6 -0.4 -0.2 0 1.2 2.0 -1.2 1.5 1.0 IOUT=300mA 0.5 0.0 -0.5 -1.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 Time t (ms) CE Input Voltage VCE (V) 2.5 Output Voltage VOUT (V) CE Input Voltage VCE (V) 1.8 -0.6 0.0 -0.5 0.2 0.4 0.6 0.8 1.0 1.2 Time t (ms) VIN=4.3V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 3.0 0.0 0.5 R1131x33xD 2.4 VCE=1.8V0V IOUT=30mA -1.2 R1131x08xD 1.5 1.0 0.0 VIN=1.8V, CIN = Tantalum 1.0F COUT = Tantalum 1.0F 0.6 VCE=1.8V0V 0.6 5 9 4 8 3 7 2 6 1 VCE=4.3V0V 5 0 4 -1 3 -2 -3 -4 2 IOUT=0mA 1 Output Voltage VOUT (V) VCE=1.8V0V 0.6 2.4 Output Voltage VOUT (V) 2.4 CE Input Voltage VCE (V) VIN=1.8V, CIN = Tantalum 1.0F COUT = Tantalum 1.0F Output Voltage VOUT (V) CE Input Voltage VCE (V) VIN=1.8V, CIN = Tantalum 1.0F COUT = Tantalum 1.0F 0 -1 -5 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Time t (ms) 17 R1131x R1131x33xD R1131x33xD 9 5 9 4 8 4 8 3 7 3 7 2 6 2 6 1 5 VCE=4.3V0V 0 4 -1 3 2 -2 IOUT=30mA -3 1 0 -4 -1 -5 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Time t (ms) CE Input Voltage VCE (V) 5 1 VCE=4.3V0V 5 0 4 -1 3 2 -2 IOUT=300mA -3 1 Output Voltage VOUT (V) VIN=4.3V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F Output Voltage VOUT (V) CE Input Voltage VCE (V) VIN=4.3V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 0 -4 -1 -5 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Time t (ms) TECHNICAL NOTES When using these ICs, consider the following points: In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For this purpose, be sure to use a capacitor COUT with good frequency characteristics and ESR (Equivalent Series Resistance) of which is in the range described as follows: The relations between IOUT (Output Current) and ESR of Output Capacitor are shown below. The conditions when the white noise level is under 40V(Avg.) are marked as the hatched area in the graph. <Test conditions> (1) Frequency band: 10Hz to 2MHz (2) Temperature: 25C R1131x08xx R1131x10xx 100 100 10 10 1 0.1 0.01 18 VIN=1.4V to 6.0V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F ESR () ESR () VIN=1.4V to 6.0V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 1 0.1 0 50 100 150 200 250 Output Current lOUT (mA) 300 0.01 0 50 100 150 200 250 Output Current lOUT (mA) 300 R1131x R1131x26xx R1131x15xx VIN=2.0V to 6.0V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 100 100 10 10 ESR () ESR () VIN=3.0V to 6.0V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 1 0.1 0.1 0.01 1 0 50 100 150 200 250 Output Current lOUT (mA) 300 0.01 0 50 100 150 200 250 Output Current lOUT (mA) 300 R1131x33xx VIN=3.6V to 6.0V, CIN = Ceramic 1.0F COUT = Ceramic 1.0F 100 ESR () 10 1 0.1 0.01 0 50 100 150 200 250 Output Current lOUT (mA) 300 19