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| OM7603SM SURFACE MOUNT NEGATIVE ADJUSTABLE VOLTAGE REGULATOR Three Terminal, Adjustable Voltage, 1.0 Amp Precision Negative Regulator In A 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 LM137 Available Hi-Rel Screened 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 1.0 amp of output current. This unit features output voltages that can be trimmed using external resistors, from -1.2 volts to -37 volts. ABSOLUTE MAXIMUM RATINGS @ 25C Power Dissipation (Pd) (Internally Limited). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 W Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to + 150C Lead Temperature (Soldering 10 Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280C Thermal Resistance: Junction-to-Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.5C/W MECHANICAL OUTLINE .450 SQ. .02 x 45 .090 MAX. .035 4 PIN 1 PIN 28 1 26 TOP .05 X 45 MAX. 3 PLCS. SIDE .009 R. BOTTOM 28 PLCS. .300 4 PLCS. .050 24 PLCS. 12 .305 SQ. 18 Pin Connection Pin 1, 15 thru 28: OUT Pin 2, 3, 13, and 14: ADJ Pin 4 thru 12: IN 3.5 4 11 R0 3.5 - 97 OM7603SM ELECTRICAL CHARACTERISTICS Parameter Reference Voltage Symbol VREF -55C TA 125C, IL = 8mA (unless otherwise specified) Min. * * * * -1.30 -1.30 -12 -25 -30 -30 -30 * -30 -16 * * * * * * * * 0.24 -10 -10 66 100 100 10 10 10 10 10 1.2 A mA Max. -1.20 -1.20 12 25 30 30 30 30 16 mV dB A A A mV mV Unit Test Conditions VDIFF = 3.0V, TA = 25C VDIFF = 3.0V VDIFF = 40V, TA = 25C VDIFF = 40V V Line Regulation (Note 1) Load Regulation (Note 1) RLINE RLOAD 3.0 V VDIFF 40V, TA = 25C 3.0 V VDIFF 40V VDIFF = 5.0V, 8mA IL 1.0A VDIFF = 12V, 8mA IL 1.0A, TA = 25C VDIFF = 40V, 8mA IL 200mA, TA = 25C VDIFF = 40V, 8mA IL 100mA Thermal Regulation Ripple Rejection (Note 2) Adjustment Pin Current Adjustment Pin Current Change Miminum Load Current VRTH RN IAdj IAdj (Line) IAdj (Load) ILmin VIN = -14.6V, IL = 1.0A Pd = 20 Watts, t = 20 ms, TA = 25C f = 120 Hz, VOUT = Vref CAdj = 10 F VDIFF = 3.0V VDIFF = 40V 3.0V VDIFF 40V VDIFF = 5V, 8mA IL 1.0A VDIFF = 3.0V, VOUT = -1.4V (forced) VDIFF = 10V, VOUT = -1.4V (forced) VDIFF = 40V, VOUT = -1.4V (forced) Current Limit (Note 2) ICL VDIFF = 40V, 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. 3.5 |
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