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| OM185-5SM OM186-5SM SURFACE MOUNT LOW DROPOUT FIXED VOLTAGE POSITIVE REGULATORS Three Terminal, +5V, Low Dropout Precision Positive Regulator In Hermetic Surface Mount Package FEATURES * * * * * * +5V Output Voltage Operates Down To 1V Dropout .015% Line Regulation / .01% Load Regulation Typically Output Voltage Trimmed to 1% Hermetic Surface Mount Package Available Hi-Rel Screened DESCRIPTION These three terminal positive fixed voltage regulators are designed to provide 2.0 Amps and 1.0 Amp with higher efficiency than conventional voltage regulators. The devices are designed to operate to 1 Volt input to output differential and the dropout voltage is specified as a function of load current. All devices are pin compatible with older three terminal regulators. Supplied in easy-to-use hermetic surface mount packages. ABSOLUTE MAXIMUM RATINGS @ 25C Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 55C to + 150C Output Current OM185-5SM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 A Output Current OM186-5SM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 A Thermal Resistance - OM185-5SM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9C/W Thermal Resistance - OM186-5SM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14C/W Lead Temperature (Soldering 10 Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280C 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: IN Pin 2, 3, 13, and 14: GND Pin 4 thru 12: OUT 3.5 4 11 R0 3.5 - 47 OM185-5SM - OM186-5SM ELECTRICAL CHARACTERISTICS (TJ = -55C to +125C) Parameter Output Voltage 3 OM185/6-5SM Line Regulation 1,2 OM185/6-5SM Load Regulation 1, 2, 3 OM185/6-5SM Current Limit OM185-5SM OM186-5SM Dropout Voltage OM185/6-5SM Quiescent Current Thermal Regulation OM185/6-5SM Ripple Rejection Temperature Stability Long Term Stability Conditions IOUT = 0 mA, TJ = 25C, VIN = 8 V, 0 IOUT IFULL LOAD , 6.5 V VIN 30 V IOUT = 0 mA, TJ = 25C, 6.5 V VIN < 20V VIN 8 V, 0 IOUT IFULL LOAD , TJ = 25C Min. 4.90 Max. 5.10 12 20 25 40 Units V mV mV A A 6.5 20.0 0.01 60 1.0 1.0 V mA %/ dB % % VIN = 10 V VOUT = 50 mV, IOUT = IFULL LOAD VIN 30V TA = 25C, 30 ms pulse f = 120 Hz, COUT = 25 F Tantalum IOUT = IFULL LOAD , VIN = 8 V TA = 125C, 1000 Hrs. 2.0 1.0 Note 1: Load and line regulation are measured at a constant junction temperature by low duty cycle pulse testing. Note 2: Line and load regulation are guaranteed up to the maximum power dissipation (OM185-5/20W, OM186-5/10W). Power dissipation is determined by the input/output differential and the output current. Guaranteed maximum power dissipation will not be available over the full input/output voltage range. Note 3: IFULL LOAD curve is defined as the minimum value of current limit as a function of input to output voltage. Note that power dissipation is only achievable over a limited range of input to output voltage. TYPICAL PERFORMANCE CHARACTERISTICS OM186-5SM SHORT CIRCUIT CURRENT 2 5 OM185-5SM SHORT CIRCUIT CURRENT SHORT CIRCUIT CURRENT (A) SHORT CIRCUIT CURRENT (A) Tj = 150C 1.5 4 25C 3 150C 2 -55C 1 I FULL LOAD 0 0 5 10 15 20 25 30 35 1 Tj = 25C Tj = -55C 0.5 GUARANTEED OUTPUT CURRENT 0 0 5 10 15 20 25 30 INPUT/OUTPUT DIFFERENTIAL (V) INPUT/OUTPUT DIFFERENTIAL (V) OM186-5SM LOAD REGULATION OUTPUT VOLTAGE DEVIATION (%) OM185-5SM LOAD REGULATION 0.10 3.5 0.10 I= 1A 0.05 OUTPUT VOLTAGE DEVIATION (%) 0.05 0 -0.05 -0.10 -0.15 -0.20 -50 0 -0.05 -0.10 -0.15 -0.20 -50 -25 0 25 50 75 100 125 150 -25 0 25 50 75 100 125 150 TEMPERATURE (C) TEMPERATURE (C) |
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