IP138A SERIES IP138A SERIES IP338A SERIES IP338A SERIES LM138 SERIES ! 1 5 AMP POSITIVE ADJUSTABLE VOLTAGE REGULATOR 2 3 Pin 1 - ADJ. Pin 2 - VOUT Case - VIN Pin 1 - ADJ. Pin 2 - VIN Case - VOUT Q Package - TO-254 K Package - TO-3 FEATURES * OUTPUT VOLTAGE RANGE OF 1.25 TO 35V * 1% OUTPUT VOLTAGE TOLERANCE (-A VERSIONS) * 0.3% LOAD REGULATION * 0.01% / V LINE REGULATION * COMPLETE SERIES OF PROTECTIONS: 1 2 3 * CURRENT LIMITING * THERMAL SHUTDOWN * SOA CONTROL Pin 1 - ADJ. Pin 2 - VOUT Pin 3 - VIN Case - VOUT V Package - TO-218 Order Information Part Number IP138A IP138 LM138 IP338A IP338 LM338 K-Pack (TO-3) V-Pack Q-Pack Temp. (TO-218) (TO-254) Range -55 to +150C " " 0 to 125C " " Note: To order, add the package identifier to the part number. eg. IP138AQ ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) 35V VI-O Input - Output Differential Voltage PD Power Dissipation Internally limited TJ Operating Junction Temperature Range See Table Above TSTG Storage Temperature TL Lead Temperature (Soldering, 10 sec.) Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk -65 to 150C 300C Prelim. 4/96 IP138A SERIES IP138A SERIES IP338A SERIES IP338A SERIES LM138 SERIES Parameter VREF Reference Voltage Test Conditions Min. IP138A Typ. IOUT = 10mA 1.238 1.25 1.262 1.225 1.250 1.270 0.005 0.020 VOUT 5V VOUT 5V P 50W Thermal Regulation VIN - VOUT = 3V to 35V TJ = -55 to +150C 0.010 0.020 0.040 5 15 5 15 mV 0.1 0.3 0.1 0.3 % %/V 30 20 30 mV 0.6 0.3 0.6 % 0.002 0.010 0.002 0.010 %/W tp = 20ms VOUT = 10V 60 TJ = -55 to +150C CADJ = 10mF f = 120Hz 60 VIN - VOUT = 3V to 35V 75 60 60 dB 75 dB 45 100 45 100 mA 0.2 5 0.2 5 mA 3.5 5 3.5 5 mA TJ = -55 to +150C Minimum Load VIN - VOUT = 35V Current TJ = -55 to +150C VIN - VOUT 10V Current Limit TJ = -55 to +150C DC 5 8 5 8 0.5ms Peak 7 12 7 12 0.25 1 VIN - VOUT = 30V DVOUT Temperature DTEMP Stability DVOUT Long Term Stability DTIME RMS Output Noise (% of VOUT) RqJC 0.005 0.040 20 IOUT = 10mA to 5A en 0.010 V 0.3 DIADJ Adjust Pin Current ISC 1.290 VOUT 5V TJ = -55 to +150C IMIN 1.240 VOUT 5V Adjust Pin Current Change 1.190 TJ = -55 to +150C TJ = -55 to +150C IADJ V IOUT = 10mA to 5A CADJ = 0 Ripple Rejection Max. Units TJ = -55 to +150C IOUT = 10mA to 5A DVOUT Load Regulation 1 DIOUT Min. IOUT = 10mA to 5A VIN - VOUT = 3V to 35V DVOUT Line Regulation 1 DVIN Max. LM138 IP138 Typ. Thermal Resistance Junction to Case TJ = -55 to +150C TA = 125C f = 10 Hz to 10 kHz t = 1000 Hrs 1 A % 1 2 1 0.3 1 0.3 0.001 K Package (TO-3) A 1 0.001 1 % % 1 C/W 1) Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating effects are covered under thermal regulation specifications. Load regulation is measured from the bottom of the package for the TO-3 package. 2) Test Conditions unless othewise stated: VIN - VOUT = 5V , TJ = 25C , IOUT = 2.5A. Although power dissipation is internally limited, these specifications apply for dissipations of 50W and IMAX = 5A. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 4/96 IP138A SERIES IP138A SERIES IP338A SERIES IP338A SERIES LM138 SERIES Parameter VREF Reference Voltage Test Conditions Min. IP338A Typ. IOUT = 10mA 1.238 1.25 1.262 1.225 1.250 1.270 0.005 0.020 VOUT 5V VOUT 5V P 50W Thermal Regulation VIN - VOUT = 3V to 35V TJ = 0 to +125C Adjust Pin Current DIADJ Adjust Pin Current Change IMIN ISC 1.290 0.010 0.005 0.030 0.040 0.020 0.060 5 15 5 25 mV 0.1 0.3 0.1 0.5 % V %/V VOUT 5V 20 30 20 50 mV 0.3 0.6 0.3 1 % 0.002 0.020 0.002 0.020 %/W tp = 20ms VOUT = 10V 60 TJ = 0 to +125C CADJ = 10mF f = 120Hz 60 TJ = 0 to +125C 75 60 60 dB 75 dB 45 100 45 100 mA 0.2 5 0.2 5 mA 3.5 10 3.5 10 mA IOUT = 10mA to 5A VIN - VOUT = 3V to 35V TJ = 0 to +125C Minimum Load VIN - VOUT = 35V Current TJ = 0 to +125C Current Limit DVOUT Temperature DTEMP Stability DVOUT Long Term Stability DTIME RqJC 1.240 VOUT 5V VIN - VOUT 10V DC 5 8 5 8 TJ = 0 to +125C 0.5ms Peak 6 12 6 12 0.25 1 VIN - VOUT = 30V en 1.190 TJ = 0 to +125C TJ = 0 to +125C IADJ V IOUT = 10mA to 5A CADJ = 0 Ripple Rejection Max. Units TJ = 0 to +125C IOUT = 10mA to 5A DVOUT Load Regulation 1 DIOUT Min. IOUT = 10mA to 5A VIN - VOUT = 3V to 35V DVOUT Line Regulation 1 DVIN Max. LM338 IP338 Typ. TJ = 0 to +125C TA = 125C RMS Output Noise f = 10 Hz to 10 kHz (% of VOUT) K Package (TO-3) Thermal Resistance V Package (TO-218) t = 1000 Hrs 1 A % 1 2 1 0.3 1 0.3 0.001 Junction to Case A 1 % % 0.003 1 1 1 1 C/W 1) Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to heating effects are covered under thermal regulation specifications. Load regulation is measured from the bottom of the package for the TO-3 package and at the junction of the wide and narrow portion of the output lead for the TO-218 package. 2) Test Conditions unless othewise stated: VIN - VOUT = 5V , TJ = 25C , IOUT = 2.5A. Although power dissipation is internally limited, these specifications apply for dissipations of 50W and IMAX = 5A. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 4/96 IP138A SERIES IP138A SERIES IP338A SERIES IP338A SERIES LM138 SERIES TYPICAL PERFORMANCE CHARACTERISTICS Load Regulation Output Impedance 10 0.1 65 60 I OUT = 3A Output Im pedance () 0.1 1 I OUT = 5A 0.2 0.3 VIN = 15V 0.4 CADJ = 0 Adjustm ent C urrent (A) 0 V oltage C hange (% ) Adjustment Current COUT = 0 0.1 0.01 0.001 VOUT =10V COUT = 10 F 0.5 -50 -25 0 25 50 75 100 125 150 40 35 30 10 100 1k Temperature (C) 10k 100k -75 1M -50 -25 0 Frequency (Hz) Droput Voltage 4 45 I OUT = 500mA 0.0001 -75 50 VIN = 15V CADJ = 10 F VOUT = 10V PRELOAD = 50mA 55 Temperature Stability 50 75 100 125 150 Minimum Operating Current 5 1.27 VOUT = 100mV 25 Temperature (C) 3 I OUT = 5A I OUT = 3A 2 I OUT = 1A Quiescent Current (m A ) Reference V oltage (V) Input - Output Differential (V ) 4 1.26 1.25 TJ = 150C 3 TJ = 25C TJ = -55C 2 1.24 1 1 1.23 -75 -50 -25 0 25 50 75 100 125 0 -50 150 -25 0 25 Temperature (C) 50 75 100 125 150 0 5 10 Ripple Rejection Ripple Rejection 20 25 30 35 40 Ripple Rejection 100 100 80 15 Input - Output Differential (V) Temperature (C) CADJ = 10F CADJ = 10 F 80 80 CADJ = 0 60 50 Ripple Rejection (dB ) Ripple Rejection (dB ) Ripple Rejection (dB ) 70 CADJ = 0 60 40 20 V OUT =10V 40 20 I OUT = 500mA VIN = 15V f = 120Hz TCASE = 25C VOUT = 10V TJ = 25C f = 120Hz 40 I OUT = 500mA 0 0 1 Output Current (A) Semelab plc. CADJ = 10 F CADJ = 0 VIN -V OUT = 5V V IN = 15V 0.1 60 10 0 5 10 15 20 25 30 35 Output Voltage (V) Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk 10 100 1k 10k 100k 1M Frequency (Hz) Prelim. 4/96 IP138A SERIES IP138A SERIES IP338A SERIES IP338A SERIES LM138 SERIES TYPICAL PERFORMANCE CHARACTERISTICS Current Limit Current Limit 16 T CASE = 25C Current Limit 14 14 12 12 PEAK CURRENT LIMIT PRELOAD CURRENT= 0 T CASE = 25C DC CURRENT LIMIT 14 PRELOAD = 0 PRELOAD = 0 12 PRELOAD = 5A 8 6 PRELOAD = 1A 10 PRELOAD = 5A O utput Current (A ) 10 O utput Current (A ) O utput Current (A ) 10 8 6 4 4 VIN -V OUT = 10V 8 6 VIN -V OUT = 15V 4 VIN -V OUT = 20V 2 VIN -V OUT = 30V VIN = 10V VOUT = 5V 2 2 T CASE = 25C 0 0 0 0 5 10 15 20 25 30 35 0.1 40 Input - Output Differential (V) 1 10 100 1 10 100 Time (ms) Line Transient Response Load Transient Response 1 3 VOUT =10V O utput Voltage Deviation (V ) Output Voltage Deviation (V) 0.1 Time (ms) I OUT = 50mA T J = 25C 0.5 0 CADJ = 10 F -0.5 COUT = 1F CADJ = 0 COUT = 0 -1 2 1 CA D J = 0 CADJ = 10F C L = 1F CL = 0 0 -1 VIN = 15V -2 VOUT =10V T CASE = 25C PRELOAD = 100mA -3 -1.5 Load C urrent (A) Input V oltage C hange (V) 6 1 0.5 0 4 2 0 0 10 20 30 40 Time ( s) Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk 0 10 20 30 40 Time ( s) Prelim. 4/96 IP138A SERIES IP138A SERIES IP338A SERIES IP338A SERIES LM138 SERIES APPLICATIONS INFORMATION Remote Sensing 5V Regulator with Shut Down IP138A VIN VIN IP138A R P (Max Drop 300mV) VO U T OUTPUT 5V VIN VIN ADJ 1 2 LM301A 3 121 121 1 F 7 6 5V VO U T ADJ V IN 25 VO U T 1k RL 1 k TTL 8 4 2N3904 5 F 383 1 k 383 25 RETURN RETURN 2816 EEPROM Supply Programmer for Read/Write Control Improving Ripple Rejection IP138A +24V VIN IP138A VO U T VIN To VPP 249 1% ADJ 1 F VIN VO U T 5V ADJ R1 121 1 F 750 1% READ 39k C1 10 F R2 383 C1 improves ripple rejection. XC should be small compared to R2. 3.24k 1% WRITE To OE BYTE ERASE 18k Temperature Compensated Lead-Acid Battery Charger CHIP ERASE 100k All gates 7406. IP138A VIN 1N4001 VIN VO U T ADJ OE 0V READ WRITE BYTE 5V CHIP ERASE 12V VPP 5V 21V 21V 243 10k 50 THERMALLY COUPLE 12V 2N3906 20k 50k Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 4/96