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| OM7646SM SURFACE MOUNT POSITIVE ADJUSTABLE 1.5 AMP VOLTAGE REGULATOR Isolated Hermetic Surface Mount Package 1.5 Amp, High Voltage, Positive Adjustable Voltage Regulator FEATURES * * * * * * * Hermetic Isolated Surface Mount Package Adjustable Output Voltage Eliminates Stocking Fixed Voltages Built-In Thermal Overload Protection Short Circuit Current Limiting Product Is Available Hi-Rel Screened Electrically Similar To Industry Standard Type LM117HV DESCRIPTION This three terminal positive regulator is supplied in a hermetically sealed metal 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 1.5 amp of output current. This unit features output voltages that can be trimmed using external resistors, from 1.2 volts to 57 volts. ABSOLUTE MAXIMUM RATINGS @ 25C Input To Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 V Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Typical Power/Thermal Characteristics: Rated Power: TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.5W TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W Thermal Resistance: JC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2C/W JA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42C/W Max. Lead Solder Temperature for 5 sec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225C MECHANICAL OUTLINE .425 3.5 Pin Connections Pin 1: VOUT Pin 2: Adjust Pin 3: VIN Case: Isolated 2 .100 .200 .350 MIN. .020 .115 .160 1 3 .425 .035 WIDE FLAT 3 PLCS. .020 .080 4 11 R0 3.5 - 143 OM7646SM ELECTRICAL CHARACTERISTICS Parameter Reference Voltage Symbol VREF -55C TA 125C, IL = 8mA (unless otherwise specified) Min. 1.20 * * * 1.20 1.20 1.20 -9 * -23 -5 * -10 -15 * -15 -15 * * -15 -15 -16 Max. 1.30 1.30 1.30 1.30 9 23 5 10 15 15 15 15 15 16 Unit Test Conditions VDIFF = 3.0V, TA = 25C VDIFF = 3.3V VDIFF = 40V VDIFF = 60V V Line Regulation (Note 1) RLINE 3.0V VDIFF 40V, VOUT = Vref, TA = 25C 3.3V VDIFF 40V, VOUT = Vref 40V VDIFF 60V, VOUT = Vref, TA = 25C 40V VDIFF 60V, VOUT = Vref mV Load Regulation (Note 1) RLOAD VDIFF = 3.0V, 10mA IL 1.5A, TA = 25C VDIFF = 3.3V, 10mA IL 1.5A VDIFF = 40V, 10mA IL 300mA, TA = 25C VDIFF = 40V, 10mA IL 195mA VDIFF = 60V, 10mA IL 30mA mV Thermal Regulation VRTH VIN = 14.6V, IL = 1.5A Pd = 20 Watts, t = 20 ms, TA = 25C f = 120 Hz, VOUT = Vref CAdj = 10 F, IOUT = 100 mA * mV dB Ripple Rejection (Note 2) Adjustment Pin Current RN 66 IAdj VDIFF = 3.0V, TA = 25C VDIFF = 3.3V VDIFF = 40V VDIFF = 60V * * * -5 * -5 -5 * -5 -5 * * -5 -5 100 100 A 100 100 5 5 5 5 5 5 5 5.0 * * * 0.3 0.05 5.0 5.0 7.0 1.5 A 0.50 A Adjustment Pin Current Change IAdj VDIFF = 3.0V, 10mA IL 1.5A, TA = 25C VDIFF = 3.3V, 10mA IL 1.5A VDIFF = 40V, 10mA IL 300mA, TA = 25C VDIFF = 40V, 10mA IL 195mA 3.0V VDIFF 40V, TA = 25C 3.3V VDIFF 40V 3.3V VDIFF 60V Miminum Load Current ILmin 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) mA Current Limit (Note 2) ICL VDIFF = 40V, TA = 25C VDIFF = 60V, TA = 25C 3.5 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. |
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