OM7654SM SURFACE MOUNT 1.5 AMP HIGH VOLTAGE POSITIVE AND NEGATIVE ADJUSTABLE REGULATOR Dual Positive And Negative Adjustable High Voltage Regulators In Isolated Hermetic Surface Mount Package FEATURES • • • • • • • Similar To Industry Standard LT117AHV And LT137AHV Adjustable Output Voltage Built In Thermal Overload Protection Short Circuit Current Limiting Hermetic 6-Pin Metal Surface Mount Package Maximum Output Voltage Tolerance Is Guaranteed To ±1% Available Hi-Rel Screened DESCRIPTION This device offers a positive and negative adjustable regulator in one hermetically sealed 6-pin surface mount package. All protective features are designed into the circuit, including thermal shutdown, current limiting, and safe-area control. With heat sinking, these devices can deliver up to 1.5 amps of output current. This device is ideally suited for military applications where small size and high reliability is required. ABSOLUTE MAXIMUM RATINGS Input - Output Voltage Differential - LT117AHV Positive Regulator . . . . . . . . . . . . . . . . . + 60 V Input - Output Voltage Differential - LT137AHV Negative Regulator . . . . . . . . . . . . . . . . . . - 50 V Power Dissipation (Pd) (Internally Limited) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 W Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55°C to + 150°C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C Thermal Resistance: θJC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W θJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W Maximum Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 A DUAL TRACKING SUPPLY ±1.25V TO ±20V MECHANICAL OUTLINE .425I +VIN • 6 1µF* I 1 2 5 3 4 .425I + I I .100I .200I Pin 1: Pin 2: Pin 3: Pin 4: Pin 5: Pin 6: .035 WIDEI FLAT 6 PLCS.I +VIN -VADJ -VIN -VOUT +VADJ +VOUT 10µF + 10µF I .350 MIN.I I ± .020I .115I R2 5K 1% R4 5k 1% 1µF* .160I .020I .080 I NOTES: • Case is metal/hermetically sealed • Isolated Tab 4 11 R1 Supersedes 2 07 R0 POS REG. VIN VOUT Adj 3.5 - 151 -VIN Adj VIN VOUT NEG REG. +VOUT R1** 100Ω 1% 2.2* µF D1 IN4002 2.2* µF D2 IN4002 R3 5K R5** 100Ω 1% -VOUT * Solid Tantalum ** R1 or R2 may be trimmed slightly to improve tracking. 3.5 OM7645SM ELECTRICAL CHARACTERISTICS Positive Regulator -55°C ≤ TA ≤ 125°C, IL = 8mA (unless otherwise specified) Parameter Symbol Test Conditions Min. Max. Reference Voltage VREF VDIFF = 3.0V, TA = 25°C VDIFF = 3.3V VDIFF = 40V VDIFF = 60V 1.238 1.225 1.225 1.225 1.262 1.270 1.270 1.270 -4.5 -9 -5 -10 4.5 -9 5 10 -15 -15 -15 -15 -15 15 15 15 15 15 -5 5 Line Regulation (Note 1) RLINE Load Regulation (Note 1) RLOAD 3.0V ≤ VDIFF ≤ 40V, Vout = Vref, TA = 25°C 3.3V ≤ VDIFF ≤ 40V, Vout = Vref 40V ≤ VDIFF ≤ 60V, Vout = Vref, TA = 25°C 40V ≤ VDIFF ≤ 60V, Vout = Vref VDIFF = 3.0V, 10mA ≤ IL ≤ 1.5A, TA = 25°C VDIFF = 3.3V, 10mA ≤ IL ≤ 1.5A VDIFF = 40V, 10mA ≤ IL ≤ 300mA, TA = 25°C VDIFF = 40V, 10mA ≤ IL ≤ 195mA VDIFF = 60V, 10mA ≤ IL ≤ 30mA Thermal Regulation VRTH Vin = 14.6V, IL = 1.5A Pd = 20 Watts, t = 20 ms, TA = 25°C Ripple Rejection (Note 2) RN f = 120 Hz, Vout = Vref CAdj = 10 µF, Iout = 100 mA Adjustment Pin Current IAdj VDIFF = 3.0V, TA = 25°C VDIFF = 3.3V VDIFF = 40V VDIFF = 60V Adjustment Pin ∆IAdj Miminum Load Current Current Limit (Note 2) ILmin ICL • • • • • • VDIFF = 3.0V, Vout = 1.4V (forced) VDIFF = 3.3V, Vout = 1.4V (forced) VDIFF = 40V, Vout = 1.4V (forced) VDIFF = 60V, Vout = 1.4V (forced) VDIFF = 5V VDIFF = 40V, TA = 25°C VDIFF = 60V, TA = 25°C 66 • • • • • • • • -5 5 -5 -5 -5 -5 -5 -5 5 5 5 5 5 5 5.0 5.0 5.0 7.0 1.5 0.3 0.05 V mV mV mV dB 100 100 100 100 • • • VDIFF = 3.0V, 10mA ≤ IL ≤ 1.5A, TA = 25°C VDIFF = 3.3V, 10mA ≤ IL ≤ 1.5A VDIFF = 40V, 10mA ≤ IL ≤ 300mA, TA = 25°C VDIFF = 40V, 10mA ≤ IL ≤ 195mA 3.0V ≤ VDIFF ≤ 40V, TA = 25°C 3.3V ≤ VDIFF ≤ 40V 3.3V ≤ VDIFF ≤ 60V Current Change • • • Unit 3.5 1.5 0.50 µA µA mA A ELECTRICAL CHARACTERISTICS Positive Regulator -55°C ≤ TA ≤ 125°C, IL = 8mA (unless otherwise specified) Parameter Symbol Test Conditions Min. Max. Reference Voltage VREF VDIFF = 3.0V, TA = 25°C VDIFF = 3.0V VDIFF= 50V, TA = 25°C VDIFF = 50V • -1.262 -1.28 -1.28 -1.28 -1.238 -1.22 -1.22 -1.22 • -6 -20 6 20 25 25 50 mV • -25 -25 -50 -5 5 mV Line Regulation (Note 1) RLINE 3.0 V ≤VDIFF ≤ 50V, TA = 25°C Load Regulation (Note 1) RLOAD VDIFF = 50V, 8mA ≤ IL ≤ 110mA, TA = 25°C VDIFF = 5V, 8mA ≤ IL ≤ 1.5A, TA = 25°C • Thermal Regulation VRTH Vin = -14.6V, IL = 1.5A Pd = 20 Watts, t = 10 ms, TA = 25°C Ripple Rejection (Note 2) RN f = 120 Hz, Vout = Vref CAdj = 10 µF, Iout = 100 mA • Adjustment Pin Current IAdj VDIFF = 3.0V VDIF = 40V VDIFF = 50V • • • • • • • • • • Adjustment Pin Current Change ∆IAdj VDIFF = 5V, 8mA ≤ Iout ≤ 1.5A 3V ≤VDIFF ≤ 50V, IL ≤ 8mA Miminum Load Current ILmin VDIFF = 3.0V, Vout = -1.4V (forced) VDIFF = 10V, Vout = -1.4V (forced) VDIFF = 40V, Vout = -1.4V (forced) VDIFF = 50V, Vout = -1.4V (forced) 3.5 Current Limit (Note 2) ICL VDIFF = 5V VDIFF = 50V, TA = 25°C 66 5 6 3.0 3.0 5.0 5.0 1.5 0.2 V mV dB 100 100 100 -5 -6 Unit 3.5 1.0 µA µA mA A Notes for both Positive and Negative Regulators Characteristics: 1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used Changes in output voltage due to heating effects must be taken into account separately. 2. If not tested, shall be guaranteed to the specified limits. 3. The • denotes the specifications which apply over the full operating temperature range. 3.5 - 152 OM7654SM POSITIVE REGULATOR - TYPICAL PERFORMANCE CHARACTERISTICS LOAD REGULATION CURRENT LIMIT 4 0.4 0.4 0.2 0.2 IO, Output Current (A) ∆VO, Output Voltage Change (%) 4 IL = 0.5A 0 0 -0.2 -0.2 -0.4 -0.4 IL = 1.5A -0.6 -0.6 VI = 15V VO = 10V -0.8 -0.8 -1.0 -1.0 33 TJ = 25°C 22 TJ = 55°C TJ = 150°C 11 00 -75 -75 -50 -25 -25 -50 00 25 25 50 50 100 125 150 75 100 125 150 75 VI - VO, Input - Output Voltage Differential (Vdc) IAdj, Adjustment Pin Current (µA) 70 70 65 65 60 60 55 55 50 50 45 45 40 40 -25 -25 00 25 25 50 50 100 125 150 75 75 100 125 150 TJ, Junction Temperature (C°) TEMPERATURE STABILITY IB, Quiescent Current (mA) Vref, Reference Voltage (V) 1.250 1.250 1.240 1.240 1.230 1.230 00 25 25 40 40 30 30 DROPOUT VOLTAGE 3.0 3.0 ∆VO = 100mV 2.5 2.5 IL = 1.5A IL = 1.0A 2.0 2.0 IL = 500mA 1.5 1.5 IL = 20mA IL = 200mA 1.0 1.0 -75 125 150 -75 -50 -50 -25 -25 00 25 100 125 150 25 50 50 75 75 100 TJ, Junction Temperature (C°) MINIMUM OPERATING CURRENT 1.260 1.260 1.220 1.220 -75 -50 -50 -25 -25 -75 20 20 VI - VO, Input - Output Voltage Differential (Vdc) ADJUSTMENT PIN CURRENT 35 -75 -50 -75 -50 10 10 00 TJ, Junction Temperature (C°) 100 125 75 100 125 150 150 50 75 50 5.0 5.0 4.5 4.5 4.0 4.0 3.5 3.5 3.0 3.0 2.5 2.5 2.0 2.0 1.5 1.5 1.0 1.0 0.5 0.5 0 0 TJ = 55°C TJ = 25°C TJ = 150°C 00 TJ, Junction Temperature (C°) 10 10 20 20 30 30 40 40 VI - VO, Input - Output Voltage Differential (Vdc) STANDARD APPLICATION Vout Vin Positive Regulator * Cin is required if regulator is located an appreciable distance from power supply filter. ** Co is not needed for stability, however it does improve transient response. R Vout = 1.25 V (1 + 2 )+ IAd j R2 R1 Since IAdj is controlled to less than 100 µA, the error associated with this term is negligible in most applications. 3.5 - 153 3.5 R1 240Ω IAdj Adjust Cin* 0.1 µF Co** 1.0 µF R2 WWW.ALLDATASHEET.COM Copyright © Each Manufacturing Company. All Datasheets cannot be modified without permission. This datasheet has been download from : www.AllDataSheet.com 100% Free DataSheet Search Site. Free Download. No Register. Fast Search System. www.AllDataSheet.com