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| OM7612NM SURFACE MOUNT 1.5 AMP HIGH VOLTAGE NEGATIVE ADJUSTABLE REGULATOR Three Terminal, High Voltage, Precision Adjustable Negative Voltage Regulator In Hermetic Surface Mount Package FEATURES * * * * * * Hermetic Surface Mount Package Adjustable Output Voltage Built-In Thermal Overload Protection Short Circuit Current Limiting Product Is Available Hi-Rel Screened Electrically Similar To Industry Standard Type LM137HV DESCRIPTION This three terminal negative regulator is supplied in a hermetically sealed surface mount package. All protective features are designed into the circuit, including thermal shutdown, current limiting and safe-area control. With heat sinking, they can deliver over 1.0 amp of output current. This unit features output voltages that can be trimmed using external resistors, from -1.2 volts to -47 volts. ABSOLUTE MAXIMUM RATINGS @ 25C Input to Output Voltage Differential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Typical Power/Thermal Characteristics: Rated Power: TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.5 W TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W Thermal Resistance: JC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5 C/W JA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 C/W Lead Temperature at Case (5 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 C PIN CONNECTION 1 2 Pin 1: Adjust Pin 2: VOUT Pin 3: VIN 3.5 3 3 4 11 R0 3.5 - 101 OM7612NM ELECTRICAL CHARACTERISTICS Parameter Reference Voltage Symbol VREF -55C TA 125C, IL = 8mA (unless otherwise specified) Min. -1.275 * -1.30 -1.275 * -1.30 -10 * -25 -25 Max. -1.225 -1.20 -1.225 -1.20 10 mV 25 25 mV V Unit Test Conditions VDIFF 3.0V, TA = 25C VDIFF = 3V VDIFF = 50V, TA = 25C VDIFF = 50V 3.0 V VDIFF 50V, TA = 25C VDIFF = 50V, 8mA IL 110mA TA = 25C VDIFF = 5V, 8mA IL 1.5A, TA = 25C * Line Regulation (Note 1) Load Regulation (Note 1) RLINE RLOAD -25 -45 -5 25 45 5 Thermal Regulation VRTH VIN = -14.6V, IL = 1.5A Pd = 20 Watts, t = 10 ms, TA = 25C f = 120 Hz, VOUT = Vref CAdj = 10 F, IOUT = 100 mA VDIFF = 3.0V VDIFF = 40V VDIFF = 50V VDIFF = 5V, 8mA IOUT 1.5A 3V VDIFF 50V 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) * mV 66 dB * * * * * * * * * * 1.5 0.2 -5 -6 100 100 100 5 A 6 3.0 3.0 5.0 5.0 3.5 A 1.0 mA A Ripple Rejection (Note 2) Adjustment Pin Current RN IAdj Adjustment Pin Current Change Miminum Load Current IAdj ILmin Current Limit (Note 2) ICL VDIFF = 5V VDIFF = 50V, TA = 25C Notes: 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. MECHANICAL OUTLINE .140 .140 .015 .075 .140 .075 .500 .157 .030 MIN. 3.5 .625 .415 .062 .375 Top View TOP VIEW Side View SIDE VIEW Bottom View BOTTOM VIEW |
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