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 +150°C ✔ ” ✔ ” ✔ 0 to 125°C ✔ ” ✔ ” Note: To order, add the package identifier to the part number. eg. IP138AQ ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C 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: [email protected] Website: http://www.semelab.co.uk –65 to 150°C 300°C 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 ³ 5V P £ 50W Thermal Regulation VIN – VOUT = 3V to 35V TJ = –55 to +150°C 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 +150°C 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 +150°C Minimum Load VIN – VOUT = 35V Current TJ = –55 to +150°C VIN – VOUT £ 10V Current Limit TJ = –55 to +150°C 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 +150°C IMIN 1.240 VOUT ³ 5V Adjust Pin Current Change 1.190 TJ = –55 to +150°C TJ = –55 to +150°C IADJ V IOUT = 10mA to 5A CADJ = 0 Ripple Rejection Max. Units TJ = –55 to +150°C 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 +150°C TA = 125°C 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 = 25°C , 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: [email protected] 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 ³ 5V P £ 50W Thermal Regulation VIN – VOUT = 3V to 35V TJ = 0 to +125°C 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 +125°C CADJ = 10mF f = 120Hz 60 TJ = 0 to +125°C 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 +125°C Minimum Load VIN – VOUT = 35V Current TJ = 0 to +125°C Current Limit DVOUT Temperature DTEMP Stability DVOUT Long Term Stability DTIME RqJC 1.240 VOUT ³ 5V VIN – VOUT £ 10V DC 5 8 5 8 TJ = 0 to +125°C 0.5ms Peak 6 12 6 12 0.25 1 VIN – VOUT = 30V en 1.190 TJ = 0 to +125°C TJ = 0 to +125°C IADJ V IOUT = 10mA to 5A CADJ = 0 Ripple Rejection Max. Units TJ = 0 to +125°C 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 +125°C TA = 125°C 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 = 25°C , 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: [email protected] 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 (Ω) 0.1 1 I OUT = 5A 0.2 0.3 VIN = 15V 0.4 CADJ = 0 Adjustm ent C urrent (µA) 0 V oltage C hange (% ) Adjustment Current COUT = 0 0.1 0.01 0.001 VOUT =10V COUT = 10 µF 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 µF 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 = 150˚C 3 TJ = 25˚C TJ = -55˚C 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 = 10µF CADJ = 10 µF 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 = 25˚C VOUT = 10V TJ = 25˚C f = 120Hz 40 I OUT = 500mA 0 0 1 Output Current (A) Semelab plc. CADJ = 10 µF 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: [email protected] 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 = 25˚C Current Limit 14 14 12 12 PEAK CURRENT LIMIT PRELOAD CURRENT= 0 T CASE = 25˚C 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 = 25˚C 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 = 25˚C 0.5 0 CADJ = 10 µF -0.5 COUT = 1µF CADJ = 0 COUT = 0 -1 2 1 CA D J = 0 CADJ = 10µF C L = 1µF CL = 0 0 -1 VIN = 15V -2 VOUT =10V T CASE = 25˚C 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 ( µ s) Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: [email protected] Website: http://www.semelab.co.uk 0 10 20 30 40 Time ( µ 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 Ω 121 Ω 1 µF 7 6 5V VO U T ADJ V IN 25 Ω VO U T 1k Ω RL 1 kΩ TTL 8 4 2N3904 5 µF 383 Ω 1 kΩ 383 Ω 25 Ω RETURN RETURN 2816 EEPROM Supply Programmer for Read/Write Control Improving Ripple Rejection IP138A +24V VIN IP138A VO U T VIN To VPP 249 Ω 1% ADJ 1 µF VIN VO U T 5V ADJ R1 121 Ω 1 µF 750 Ω 1% READ 39k Ω C1 10 µF R2 383 Ω C1 improves ripple rejection. XC should be small compared to R2. 3.24k Ω 1% WRITE To OE BYTE ERASE 18k Ω Temperature Compensated Lead–Acid Battery Charger CHIP ERASE 100k Ω 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 Ω 10k Ω 50 Ω THERMALLY COUPLE 12V 2N3906 20k Ω 50k Ω Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: [email protected] Website: http://www.semelab.co.uk Prelim. 4/96