LD39115Jxx 150 mA low quiescent current low noise voltage regulator Features Input voltage from 1.5 to 5.5 V Ultra low dropout voltage (80 mV typ. at 100 mA load) Very low quiescent current (20 A typ. at no load, 35 A typ. at 150 mA load, 1 A max in off mode) Very low noise (33 VRMS from 1 kHz to 100 kHz at VOUT = 1.8 V) Output voltage tolerance: 2.0 % @ 25 C 150 mA guaranteed output current Wide range of output voltages available on request: 0.8 V to 4.5 V with 100 mV step Logic-controlled electronic shutdown Compatible with ceramic capacitor COUT = 1 F Internal current and thermal limit Flip-chip 4 bumps 0.8 x 0.8 mm. pitch Temperature range: -40 C to 125 C Applications Mobile phones Personal digital assistants (PDAs) Cordless phones and similar battery-powered systems Table 1. Flip-chip 4 Description The LD39115Jxx provides 150 mA maximum current from an input voltage ranging from 1.5 V to 5.5 V with a typical dropout voltage of 80 mV. It is stabilized with a ceramic capacitor. The ultra low drop voltage, low quiescent current and low noise features make it suitable for low power battery-powered applications. Power supply rejection is 65 dB at low frequencies and starts to roll off at 10 kHz. An enable logic control function puts the LD39115Jxx in shutdown mode allowing a total current consumption lower than 1 A. The device also includes a short-circuit constant current limiting and thermal protection. Device summary Part numbers Order codes Output voltages LD39115JXX12 LD39115J12R 1.2 V LD39115JXX15 LD39115J15R 1.5 V LD39115JXX18 LD39115J18R 1.8 V LD39115JXX25 LD39115J25R 2.5 V LD39115JXX28 LD39115J28R 2.8 V LD39115JXX30 LD39115J30R 3.0 V LD39115JXX33 LD39115J33R 3.3 V December 2011 Doc ID 15527 Rev 5 1/23 www.st.com 23 Contents LD39115Jxx Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 8 Different output voltage versions of the LD39115Jxx available on request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2/23 Doc ID 15527 Rev 5 LD39115Jxx Diagram 1 Diagram Figure 1. Block diagram OUT IN BandGap 1.22 V R1 Trimming Thermal Protection R2 Enable EN GND Pin configuration LD39115Jxx 2 Pin configuration Figure 2. Pin connection (top view) Table 2. Pin description 4/23 Pin n Symbol A2 EN A1 GND B2 IN B1 OUT Function Enable pin logic input: Low = shutdown, High = active Common ground Input voltage of the LDO Output voltage Doc ID 15527 Rev 5 LD39115Jxx Typical application 3 Typical application Figure 3. Typical application circuit VIN IN 1 F VEN VOUT OUT 1 F EN Load GND Doc ID 15527 Rev 5 5/23 Maximum ratings LD39115Jxx 4 Maximum ratings Table 3. Absolute maximum ratings Symbol VIN Parameter DC input voltage Value Unit - 0.3 to 6 V VOUT DC output voltage - 0.3 to VI + 0.3 V VEN Enable input voltage - 0.3 to VI + 0.3 V IOUT Output current Internally limited mA Power dissipation Internally limited mW PD TSTG Storage temperature range - 65 to 150 C TOP Operating junction temperature range - 40 to 125 C Note: Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. All values are referred to GND. Table 4. Thermal data Symbol RthJA 6/23 Parameter Thermal resistance junction-ambient Doc ID 15527 Rev 5 Value Unit 180 C/W LD39115Jxx 5 Electrical characteristics Electrical characteristics TJ = 25 C, VIN = VOUT(NOM) + 1 V, CIN = COUT = 1 F, IOUT = 1 mA, VEN = VIN, unless otherwise specified. Table 5. Electrical characteristics for LD39115Jxx (1) Symbol Parameter VIN Operating input voltage Test conditions Min. 1.5 Turn-on threshold VUVLO VOUT 1.45 Turn-off threshold VOUT accuracy Typ. 1.30 -3.0 3.0 % VOUT 1.5V, IOUT=1mA 10 mV VOUT 1.5V, IOUT=1mA, -40C<TJ<125C 30 mV VOUT +1V VIN 5.5V, IOUT=1mA 0.01 %/V 10 mVpp 0.002 %/mA mVpp IOUT=1mA to 150mA VOUT Transient load regulation (2) IOUT=1mA to 150mA, tR=tF=5s 40 VDROP Dropout voltage (3) IOUT=100mA, VOUT>1.5V -40C<TJ<125C 80 Output noise voltage 10Hz to 100kHz, IOUT=10mA 30 VIN=VOUTNOM+1V+/-VRIPPLE VRIPPLE=0.1V Freq.=1kHz I Supply voltage rejection OUT = 10mA VOUT = 1.5V +0.5V+/-V V =V IN OUTNOM VRMS/V dB VRIPPLE=0.1V Freq.=10kHz IOUT=10mA 67 IOUT=0mA 20 50 IOUT=0 to 150mA 35 Short circuit current RL=0 Enable input logic low VIN=1.5V to5.5V, -40C<TJ<125C Enable input logic high VIN=1.5V to 5.5V, -40C<TJ<125C A 70 VIN input current in OFF MODE: VEN=GND 0.001 1 200 Enable pin input current VSHDN=VIN Turn on time mV RIPPLE IOUT=0 to 150mA, -40C<TJ<125C TON 110 74 IOUT=0mA, -40C<TJ<125C IEN mV VOUT>1.5V, IOUT=1mA, -40C<TJ<125C Static load regulation VEN V % VOUT ISC 1.48 2.0 Transient line regulation VIN=+500mV, IOUT=1mA, (2) TR=TF=5s Quiescent current V -2.0 VOUT IQ 5.5 VOUT>1.5V, IOUT=1mA, TJ=25C Static line regulation SVR Unit 1.35 VOUT eN Max. (4) mA 0.4 V 0.9 0.1 30 Doc ID 15527 Rev 5 100 nA s 7/23 Electrical characteristics Table 5. Symbol TSHDN COUT LD39115Jxx Electrical characteristics for LD39115Jxx (continued) (1) Parameter Test conditions Min. Typ. Thermal shutdown 160 Hysteresis 20 Max. Unit C Output capacitor Capacitance (see Section 6: Typical performance characteristics) 1 22 F 1. For VOUT(NOM) < 1.2 V, VIN = 1.5 V. 2. All transient values are guaranteed by design, not production tested. 3. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value. This specification does not apply for output voltages below 1.5 V. 4. Turn-on time is time measured between the enable input just exceeding VEN high value and the output voltage just reaching 95 % of its nominal value. 8/23 Doc ID 15527 Rev 5 LD39115Jxx Electrical characteristics TJ = 25 C, VIN = VOUT(NOM) + 1 V, CIN = COUT = 1 F, IOUT = 1 mA, VEN = VIN, unless otherwise specified. Table 6. Electrical characteristics for LD39115SJxx (1) Symbol Parameter VIN Operating input voltage Test conditions Min. 1.5 Turn-on threshold VUVLO VOUT 1.45 Turn-off threshold VOUT accuracy Typ. 1.30 mV VOUT >1.5V, IOUT=1mA, -40C<TJ<125C -3.0 3.0 % VOUT 1.5V, IOUT=1mA 10 mV VOUT 1.5V, IOUT=1mA, -40C<TJ<125C 30 mV 0.01 %/V 10 mVpp 0.002 %/mA mVpp (2) VIN=+500mV, IOUT=1mA, TR=TF=5s VOUT Static load regulation IOUT = 1mA to 150mA VOUT Transient load regulation (2) IOUT = 1mA to 150mA, TR=TF=5s 40 VDROP Dropout voltage (3) IOUT = 100mA, VOUT>1.5V -40C<TJ<125C 80 Output noise voltage 10Hz to 100kHz, IOUT=10mA 30 VIN = VOUTNOM+1V+/-VRIPPLE VRIPPLE = 0.1V Freq.=1kHz Supply voltage rejection IOUT=10mA VOUT = 1.5V +0.5V+/-V V =V IN OUTNOM 110 mV VRMS /V 74 dB RIPPLE VRIPPLE=0.1V Freq.=10kHz IOUT=10mA 67 IOUT=0mA 20 IOUT=0mA, -40C<TJ<125C 50 IOUT=0 to 150mA 35 IOUT=0 to 150mA, -40C<TJ<125C Short circuit current RL=0 Enable input logic low VIN=1.5V to 5.5V, -40C<TJ<125C Enable input logic high VIN = 1.5V to 5.5V, -40C<TJ<125C A 70 VIN input current in OFF MODE: VEN=GND VEN V % Transient line regulation ISC 1.48 2.0 VOUT Quiescent current V -2.0 VOUT +1V VIN 5.5V, IOUT=1mA IQ 5.5 VOUT >1.5V, IOUT=1mA, TJ=25C Static line regulation SVR Unit 1.35 VOUT eN Max. 0.001 1 200 mA 0.4 V 0.9 IEN Enable pin input current VSHDN=VIN 0.1 TON Turn on time (4) 100 Doc ID 15527 Rev 5 100 nA s 9/23 Electrical characteristics Table 6. Symbol TSHDN COUT LD39115Jxx Electrical characteristics for LD39115SJxx (continued) (1) Parameter Test conditions Min. Typ. Thermal shutdown 160 Hysteresis 20 Max. Unit C Output capacitor Capacitance (see Section 6: Typical performance characteristics) 1 22 F 1. For VOUT(NOM) < 1.2 V, VIN = 1.5 V. 2. All transient values are guaranteed by design, not production tested. 3. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value. This specification does not apply for output voltages below 1.5 V. 4. Turn-on time is time measured between the enable input just exceeding VEN high value and the output voltage just reaching 95 % of its nominal value. 10/23 Doc ID 15527 Rev 5 LD39115Jxx 6 Typical performance characteristics Typical performance characteristics CIN = COUT = 1 F, VEN to VIN. Figure 4. 1.3 Output voltage vs. temperature (VIN = 2.2 V) Figure 5. 3 VIN = 2.2 V, IOUT = 1 mA 1.28 1.26 VIN = 3.8 V, IOUT = 1 mA 2.95 2.9 1.24 1.22 1.2 VOUT [V] VOUT [V] Output voltage vs. temperature (VIN = 3.8 V) 1.18 1.16 2.85 2.8 2.75 2.7 1.14 1.12 VOUT = 1.2 V VOUT = 2.8 V 2.65 1.1 2.6 -75 -50 -25 0 25 50 75 100 125 150 175 -75 -50 -25 0 25 T [C] Figure 6. Line regulation vs. temperature Figure 7. 75 100 125 150 175 Load regulation vs. temperature 0.004 0.05 VIN = from 2.2 V to 5.5 V, IOUT = 1 mA VIN = 2.2 V, IOUT = from 1 to 150 mA 0.0035 Load [%/mA] 0.04 Line [%/V] 50 T [C] 0.03 VOUT=1.2V 0.02 0.003 0.0025 0.002 0.0015 0.001 0.01 0.0005 VOUT=1.2 V 0 0 -75 -50 -25 0 25 50 75 -75 100 125 150 175 -50 -25 0 25 Figure 8. Short-circuit current vs. drop voltage Figure 9. 0.09 0.4 0.35 0.08 85 0.07 55 0.3 ISC [A] 125 25 0.25 0 0.2 -25 0.15 -40 75 100 125 150 175 Dropout voltage vs. temperature IOUT = 0.1 A 0.06 0.05 0.04 0.03 0.02 CIN = 1 F COUT = 1 F(+ 10 F electrolitycs) 0.05 VDROPOUT [V] 0.45 0.1 50 T [C] T [C] VOUT = 2.8 V 0.01 0 0 1 2 3 4 5 6 0 -75 -50 -25 0 25 50 75 100 125 150 175 DROP [V] TEMPERATURE [C] Doc ID 15527 Rev 5 11/23 Typical performance characteristics LD39115Jxx Figure 10. Dropout voltage vs. output current Figure 11. Output voltage vs. input voltage (IOUT = 0.15 A) 0.14 1.4 125 1.2 85 IOUT = 0.15 A 0.1 55 1 0.08 VOUT [V] VDROPOUT [V] 0.12 0.06 0.04 25 0.8 0 0.6 -25 0.4 -40 0.2 0.02 VOUT = 1.3 V VOUT = 2.8 V 0 0 0 0 0.05 0.1 0.15 0.2 1 2 3 0.25 4 5 6 VIN [V] IOUT [A] Figure 12. Output voltage vs. input voltage (VOUT = 1.3 V) 1.4 3 125 1.2 125 IOUT = 0.15 A 85 IOUT = 0.15 A 85 2.5 55 25 0.8 0 0.6 -25 0.4 -40 55 VOUT [V] 1 VOUT [V] Figure 13. Output voltage vs. input voltage (VOUT = 2.8 V) 2 25 0 1.5 -25 1 -40 VOUT = 2.8 V 0.5 0.2 VOUT = 1.3 V 0 0 0 1 2 3 4 5 6 0 1 2 3 VIN [V] VIN [V] 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 45 6 VIN = 2.2 V, No Load 40 35 30 25 20 15 10 VIN = 2.2 V, IOUT = 1 mA 5 VOUT = 1.2 V 0 -75 -50 -25 0 25 50 75 100 125 150 175 -75 -50 -25 0 25 50 75 100 125 150 175 TEMPERATURE [C] TEMPERATURE [C] 12/23 5 Figure 15. Quiescent current vs. temperature (VOUT = 1.2 V) IQ [A] VEN [V] Figure 14. Enable threshold vs. temperature 4 Doc ID 15527 Rev 5 LD39115Jxx Typical performance characteristics Figure 16. Quiescent current vs. temperature (VIN = 2.2 V) Figure 17. Quiescent current vs. temperature (VIN = 3.8 V) 70 70 VIN = 3.8 V, IOUT = 0.15 A VIN = 2.2 V, IOUT = 0.15 A 60 60 50 IQ [A] IQ [A] 50 40 30 20 40 30 20 VOUT = 2.8 V VOUT = 1.2 V 10 10 0 0 -75 -50 -25 0 25 50 75 -75 -50 -25 100 125 150 175 0 25 50 75 100 125 150 175 TEMPERATURE [C] TEMPERATURE [C] 25 22.5 20 17.5 15 12.5 10 7.5 5 2.5 0 IOUT = 1 mA IQ [A] IQ [A] Figure 18. Quiescent current vs. input voltage Figure 19. Quiescent current vs. output current VOUT = 1.3 V 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 50 45 40 35 30 25 20 15 10 5 0 VIN = 2.3 V VOUT = 2.8 V 0 5.5 6 0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 IOUT [A] VIN [V] Figure 20. Supply voltage rejection vs. temperature (VOUT = 1.2 V) Figure 21. Supply voltage rejection vs. temperature (VOUT = 1.3 V) 100 100 VIN from 2.2 V to 2.4 V, IOUT = 10 mA, Freq. = 1 kHz 90 90 80 80 SVR [dB] SVR [dB] VIN from 2.1 V to 2.3 V IOUT = 10 mA, Freq. = 1 kHz 70 70 60 60 VOUT = 1.2 V VOUT = 1.3 V 50 50 40 40 -75 -50 -25 0 25 50 75 100 125 150 175 -75 -50 -25 T [C] 0 25 50 75 100 125 150 175 T [C] Doc ID 15527 Rev 5 13/23 Typical performance characteristics LD39115Jxx Figure 22. Supply voltage rejection vs. temperature (Freq. = 1 kHz) Figure 23. Supply voltage rejection vs. temperature (Freq. = 10 kHz) 100 100 VIN from 1.7 V to 1.9 V, IOUT = 10 mA, Freq. = 10 kHz 90 90 80 80 SVR [dB] SVR [dB] VIN from 3.7 V to 3.9 V, IOUT = 10 mA, Freq. = 1 kHz 70 70 60 60 50 50 VOUT = 1.3 V VOUT = 2.8 V 40 40 -75 -50 -25 0 25 50 75 -75 -50 -25 100 125 150 175 0 25 Figure 24. Supply voltage rejection vs. temperature (VOUT = 2.8 V) VIN from 3.2 V to 3.4 V, IOUT = 10 mA, Freq. = 10 kHz 80 SVR [dB] SVR [dB] 90 70 60 VOUT = 2.8 V 50 40 0 25 50 75 100 90 80 70 60 50 40 30 20 10 0 100 125 150 175 VOUT = 1.2 V 0 SVR [dB] SVR [dB] VOUT = 1.3 V 20 30 40 50 60 70 80 90 100 110 100 90 80 70 60 50 40 30 20 10 0 30 40 50 60 70 80 90 100 110 VIN from 3.2 V to 3.4 V, IOUT = 10 mA VOUT = 2.8 V 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency [kHz] Frequency [KHz] 14/23 20 Figure 27. Supply voltage rejection vs. frequency (VOUT = 2.8 V) VIN from 1.7 V to 1.9 V, IOUT = 10 mA 10 10 Frequency [kHz] Figure 26. Supply voltage rejection vs. frequency (VOUT = 1.3 V) 0 100 125 150 175 VIN from 2.1 V to 2.3 V, IOUT = 10 mA T [C] 100 90 80 70 60 50 40 30 20 10 0 75 Figure 25. Supply voltage rejection vs. frequency (VOUT = 1.2 V) 100 -75 -50 -25 50 T [C] T [C] Doc ID 15527 Rev 5 LD39115Jxx Typical performance characteristics Figure 28. Supply voltage rejection vs. output Figure 29. LD39115J noise current 100 1 Noise [V/SQRT(Hz)] VIN from 1.7 V to 1.9 V, F = 10 kHz 90 80 SVR [dB] 70 60 50 40 30 VOUT = 1.3 V 20 VOUT = 1.3 V, VIN = 2.3 V, TA = 25 C 0.8 0.6 0.4 0.2 0 10 0 0 0 0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 0.25 20000 40000 60000 80000 100000 Freq [Hz] IOUT [A] Figure 30. Line regulation transient Figure 31. Start up transient VIN VIN VOUT VOUT VIN from 2.2 V to 2.7 V, IOUT = 1 mA, COUT = 1 F, No CIN tRISE/FALL = 5 s VIN from 0 to 2.3 V, IOUT = 1 mA COUT = 1 F No CIN, tRISE = 60 s Figure 32. Enable transient (VOUT = 1.2 V) Figure 33. Enable transient (VOUT = 2.8 V) VEN VOUT = 1.2 V VOUT VIN = 2.3 V, VEN from 0 to 2 V, IOUT = 1 mA VEN VOUT VOUT = 2.8 V VIN = 2.3 V, VEN from 0 to 2 V, IOUT = 1 mA, tRISE = 6 s Doc ID 15527 Rev 5 15/23 Typical performance characteristics LD39115Jxx Figure 34. Load transient (VOUT = 1.2 V) Figure 35. Load transient (VOUT = 2.8 V) IOUT IOUT VOUT = 1.2 V VOUT VOUT VIN = 2. 2 V, IOUT = from 1 to 150 mA, tRISE/FALL = 5 s Vin = 3.8 V, IOUT = from 1 to 150 mA, tRISE/FALL = 5 s Figure 36. ESR required for stability with ceramics capacitors 2.5 ESR @ 100 kHz[ohm] 2.25 UNSTABLE ZONE 2 1.75 1.5 IOUT = from 1 mA to 150 mA, CIN = 1F (ceramic) 1.25 1 0.75 STABLE ZONE 0.5 0.25 0 1 16/23 2 3 4 5 6 7 8 9 VOUT = 2.8 V 10 11 12 13 14 15 16 17 18 19 20 21 22 COUT [F] (nominal value) Doc ID 15527 Rev 5 LD39115Jxx 7 Package mechanical data Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. Doc ID 15527 Rev 5 17/23 Package mechanical data LD39115Jxx Flip-chip 4 mechanical data Dim. mm. Min. Typ. Max. A 0.52 0.56 0.60 A1 0.17 0.20 0.23 A2 0.35 0.36 0.37 b 0.23 0.25 0.29 D 0.758 0.788 0.818 0.758 0.788 D1 E 0.4 E1 0.818 0.4 SD 0.18 0.2 0.22 SE 0.18 0.2 0.22 f 0.199 ccc 0.075 7504896/M 18/23 Doc ID 15527 Rev 5 LD39115Jxx Package mechanical data Tape and reel Flip-chip 4 mechanical data mm. inch. Dim. Min. Typ. A Max. Min. Typ. 178 C 12.8 D 20.2 N 59 13.2 Max. 6.926 0.504 0.519 0.795 60 T 61 2.323 2.362 8.4 2.401 0.331 Ao 0.82 0.87 0.92 0.032 0.034 0.036 Bo 0.82 0.87 0.92 0.032 0.034 0.036 Ko 0.64 0.69 0.74 0.025 0.027 0.029 Po 3.9 4 4.1 0.153 0.157 0.161 P 3.9 4 4.1 0.153 0.157 0.161 Doc ID 15527 Rev 5 19/23 Package mechanical data LD39115Jxx Figure 37. Foot print data 20/23 Doc ID 15527 Rev 5 LD39115Jxx Different output voltage versions of the LD39115Jxx available on request 8 Different output voltage versions of the LD39115Jxx available on request Table 7. Options available on request Order codes Output voltages LD39115J08R 0.8 V LD39115J10R 1.0 V Doc ID 15527 Rev 5 21/23 Revision history LD39115Jxx 9 Revision history Table 8. Document revision history Date Revision 26-Mar-2009 1 Initial release. 12-Jun-2009 2 Modified: Table 1 on page 1 and Table 7 on page 21. 05-Aug-2009 3 Modified: tape and reel mechanical data on page 19. 17-May-2011 4 Modified: Table 1 on page 1 and Table 7 on page 21. 20-Dec-2011 5 Added: new order code LD39115J25R Table 1 on page 1. 22/23 Changes Doc ID 15527 Rev 5 LD39115Jxx Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. 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