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| OM7628NM HERMETIC SURFACE MOUNT ADJUSTABLE POSITIVE VOLTAGE REGULATOR Three Terminal, Adjustable Voltage, 3.0 Amp Precision Positive Regulator In Hermetic Surface Mount Package FEATURES * * * * * * Hermetic Surface Mount Package Reference Voltage Set To 2% Built-In Thermal Overload Protection Short Circuit Current Limiting Product Is Available Hi-Rel Screened Electrically Similar To Industry Standard Type LM150A DESCRIPTION These three terminal positive regulators are 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 3.0 amps of output current. These units feature 2% initial voltage tolerance, with 0.3% load regulation and .01% line regulation. ABSOLUTE MAXIMUM RATINGS Input to Output Voltage Differential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +35 V Operating Junction Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Typical Power/Thermal Characteristics: Rated Power @ 25C TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W Thermal Resistance: JC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5C/W JA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42C/W Lead Temperature at Case (5 sec). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225C PIN CONNECTION 1 2 MECHANICAL OUTLINE .140 .500 .015 .075 .157 .140 .140 .075 .030 MIN. 3.5 Pin 1: Adjust Pin 2: VIN 3 .625 Pin 3: VOUT .415 .062 .375 TOP VIEW SIDE VIEW BOTTOM VIEW 4 11 R1 Supersedes 1 05 R0 3.5 - 117 OM7628NM ELECTRICAL CHARACTERISTICS Test Reference Voltage Symbol VREF Conditions IOUT = 10mA TA = 25C -55C TA 125C (Note 1) unless otherwise specified Limits Min. 1.20 Max. 1.30 V Unit 3.0V (VIN - VOUT) 35V, P 30W 10mA IOUT 3.0A (Note 2) Line Regulation (Note 2) VOUT VIN 3.0V (VIN - VOUT) 35V, IOUT = 10mA, TJ = 25C 3.0V (VIN - VOUT) 35V, IOUT = 10mA Load Regulation (Note 2) VOUT IOUT 10mA IOUT 3.0A, VOUT 5.0A, TJ = 25C 10mA IOUT 3.0A, VOUT 5.0A 10mA IOUT 3.0A, VOUT 5.0A, TJ = 25C 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 VIN VREF IAdj IAdj 10mA IOUT 3.0A, IOUT = 10mA 3.0V (VIN - VOUT) 35V (VIN - VOUT) = 35V (VIN - VOUT) 10V (VIN - VOUT) = 30V 20ms pulse, TA =25C VOUT = 10V, f = 120Hz CADJ = 10F 1.20 1.30 V 0.01 %/V 0.05 %/ 17.5 mV 50 mV 0.35 % 1.0 % 0.01 66 %/W dB 100 5.0 A A 5.0 3.0 0.3 mA A A Notes: 1. Unless otherwise specified, these specifications apply for (VIN - VOUT) = 5.0V and IOUT = 1.5A. Although power dissipation is internally limited, these characteristics are applicable for power dissipation up to 30W. 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. 3.5 |
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