OM3911NTM

OM3910STM/NTM OM3911STM/NTM 3.0 AMP POSITIVE ADJUSTABLE VOLTAGE REGULATOR APPROVED TO DESC DRAWING 5962-87675 Three Terminal, Adjustable Voltage, 3.0 Amp Precision Positive Regulator In Hermetic JEDEC TO-257AA Package FEATURES • Approved To DESC Standardized Military Drawing 5962-8767501UX/TX and 5962-8767502UX/TX • Isolated Hermetic Package, JEDEC TO-257AA Outline • Reference Voltages Set To ±1% and ±2% • Built-In Thermal Overload Protection • Short Circuit Current Limiting • Similar Electrically To Industry Standard LM150A DESCRIPTION These three terminal positive regulators approved by DESC, are supplied in a hermetically sealed isolated, metal TO-257 package. All protective features are designed into the circuit including thermal shutdown, current limiting and safearea control. With heat sinking, they can deliver over 3.0 amps of output current. These units feature 1% and 2% initial voltage tolerance, 0.35% load regulation and .01% line regulation. ABSOLUTE MAXIMUM RATINGS @ 25°C Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +35 V Operating Junction Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . - 55°C to + 150°C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C Typical Power/Thermal Characteristics: Rated Power @ 25°C TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 W TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W Thermal Resistance: qJC Case U. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W qJC Case T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W qJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50°C/W a DESC DRAWING 5962-8767501UX 5962-8767502UX 5962-8767501TX 5962-8767502TX 3.3 REFERENCE VOLTAGE ±2% ±1% ±2% ±1% OMNIREL PART NUMBER OM3910STM OM3911STM OM3910NTM OM3911NTM 4 11 R1 Supersedes 2 07 R0 3.3 - 113 OM3910STM/NTM OM3911STM/NTM ELECTRICAL CHARACTERISTICS Test Reference Voltage Symbol VREF Conditions IOUT = 10mA TA = 25°C -55°C TA 125°C (Note 1) unless otherwise specified Dash No. 01 02 01 02 All P/N’s All P/N’s All P/N’s All P/N’s All P/N’s All P/N’s All P/N’s All P/N’s All P/N’s 100 5.0 µA µA 66 0.01 %/W dB 1.0 % 0.35 % 50 mV 17.5 mV 0.05 %/V Limits Min. Max. 1.20 1.238 1.20 1.225 1.30 1.262 1.30 1.270 0.01 Unit V V V V %/V 3.0V (VIN - VOUT) 35V, P 30W 10mA IOUT 3.0A (Note 2) Line Regulation (Note 2) RLINE 3.0V (VIN - VOUT) 35V, IOUT = 10mA, TJ = 25°C 3.0V (VIN - VOUT) 35V, IOUT = 10mA Load Regulation (Note 2) RLOAD 10mA IOUT 3.0A, VOUT 5.0A, TJ = 25°C 10mA IOUT 3.0A, VOUT 5.0A 10mA IOUT 3.0A, VOUT 5.0A, TJ = 25°C 10mA IOUT 3.0A, VOUT 5.0A Thermal Regulation Ripple Rejection (Note 3) Adjust Pin Current Adjust Pin Current Change Miminum Load Current Current Limit IMIN ICL IAdj ³IAdj 10mA IOUT 3.0A, IOUT = 10mA 3.0V (VIN - VOUT) 35V (VIN - VOUT) = 35V (VIN - VOUT) 10V (VIN - VOUT) = 30V RN 20ms pulse, TA =25°C VOUT = 10V, f = 120Hz CADJ = 10µF All P/N’s All P/N’s All P/N’s All P/N’s 3.0 0.3 5.0 mA A A Notes: 1. Unless otherwise specified, these specifications apply for (VIN - VOUT) = 5.0V and IOUT = 1.5A. 2. Regulation is measured at a constant junction temperature using a pulse technique. Changes in output voltage due to heating effects are covered under the specification for thermal regulation. 3. Guaranteed if not tested to the limits specified. 3.3 3.3 - 114 OM3910STM/NTM OM3911STM/NTM TYPICAL PERFORMANCE CHARACTERISTICS LOAD REGULATION 1.0 VOLTAGE CHANGE (PERCENT) 0 IOUT = 3A 0.1 0.2 0.3 0.4 0.5 -75 -50 -25 0 25 50 75 100 125 150 TEMPERATURE (°C) 6 ADJUSTMENT CURRENT (µA) CURRENT LIMIT 65 60 55 50 45 40 35 30 -75 ADJUSTMENT CURRENT OUTPUT CURRENT (A) TJ = -55°C 4 TJ = 150°C TJ = 25°C 2 0 0 5 10 15 20 25 30 35 INPUT-OUTPUT DIFFERENTIAL (V) -25 25 75 TEMPERATURE (°C) 125 DROPOUT VOLTAGE 3 INPUT-OUTPUT DIFFERENTIAL (V) VOUT = 100mV 2.5 REFERENCE VOLTAGE (V) 1.27 TEMPERATURE STABILITY 5 MINIMUM IOUT CURRENT (mA) MINIMUM OPERATING CURRENT IOUT = 3A IOUT = 2A 1.26 4 TJ = 150°C 3 TJ = 25°C 2 2 1.25 1.5 IOUT = 20mA 1 0.5 -75 1.24 1 0 TJ = -55°C -25 25 75 125 1.23 -50 -25 TEMPERATURE (°C) 0 25 50 75 100 125 150 TEMPERATURE (°C) 0 5 10 15 20 25 30 35 40 INPUT-OUTPUT DIFFERENTIAL (V) RIPPLE REJECTION 100 CADJ = 10µF RIPPLE REJECTION (dB) RIPPLE REJECTION (dB) 80 80 100 RIPPLE REJECTION 80 CADJ = 10µF RIPPLE REJECTION CADJ = 10µF RIPPLE REJECTION (dB) 70 60 60 CADJ = 0 40 V = 15V 20 VIN = 10V OUT IOUT = 500mA 0 10 100 1k 10k 100k 1M CADJ = 0 60 40 VIN - VOUT = 5V IOUT = 500mA f = 120Hz TI = 25°C 0 5 10 15 20 25 30 OUTPUT VOLTAGE (V) 35 CADJ = 0 20 50 0 40 VIN = 15V VOUT = 10V f = 120Hz TCASE = 25°C 0.1 1 OUTPUT CURRENT (A) 10 3.3 FREQUENCY (Hz) OUTPUT IMPEDANCE OUTPUT VOLTAGE DEVIATION (V) 10 OUTPUT IMPEDANCE (OHMS) 1.5 1 0.5 0 LINE TRANSIENT RESPONSE OUTPUT VOLTAGE DEVIATION (V) 1.5 1 VOUT = 10V IOUT = 50mA TI = 25°C COUT = 0, CADJ = 0 LOAD TRANSIENT RESPONSE COUT = 0, CADJ = 0 COUT = 1µF 0.5 CADJ = 10µF 0 -0.5 -1 VIN = 15V VOUT = 10V PRELOAD = 100mA TI = 25°C 1 CADJ = 0 COUT = 0 0.1 CADJ = 10µF COUT = 10µF VIN = 15V VOUT = 10V IOUT = 500mA 100 1k 10k 100k FREQUENCY (Hz) 1M -0.5 COUT = 1µF, CADJ = 10µF -1 1 0.5 0 0 10 20 TIME (µs) 30 40 LOAD CURRENT (A) 0.01 INPUT VOLTAGE CHANGE (V) -1.5 1.5 1 0.5 0 0 10 0.001 0.0001 10 20 TIME (µs) 30 40 3.3 - 115 OM3910STM/NTM OM3911STM/NTM TYPICAL APPLICATIONS 1.2 - 25V Adjustable Regulator VIN ADJ. C1* 1µF R2 5k * Needed if device is far from filter capacitors † Optional – improves transient response ‡ VOUT = 1.25V (1 + R2 ) R1 VOUT R1 240 + C2† 1µf VOUT‡ VIN 1µF Improving Ripple Rejection VIN ADJ. R2 365 1% VOUT 5V R1 121 1% + CL 10µf* Adjustable Current Limiter 0.5 VIN VOUT ADJ. 1K 500 * C, Improves ripple rejection XC should be small compared to R2 Precision High Current Reference VIN +10V VIN VOUT ADJ. 7 2k 6 + 3 2k 15k 1% VIN Remote Sensing RD (Max. Drop 300mV) VIN VOUT ADJ. 7 25 6 1 8 4 365 100µF + 5µF – RET LM301A + 3 VIN – 2 1k 5V LT 1001 4 2 – 2.5V LT 1009 121 4.99k 1% RETURN RL 25 MECHANICAL OUTLINE .420 .410 .200 .190 .045 .035 .665 .645 .537 .527 .430 .410 .038 MAX. CONNECTION DIAGRAM Tab 3.3 .150 .140 .750 .500 .005 .035 .025 .100 TYP. .120 TYP. 1 2 3 NOTES: • Case is metal/hermetically sealed • Isolated Tab CASE U FRONT VIEW Pin 1: Adjust Pin 2: VOUT Pin 3: VIN Tab: Isolated CASE T FRONT VIEW Pin 1: Adjust Pin 2: VOUT Pin 3: VIN Tab: VOUT 205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246