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OM7648SM OM7649SM
OM7650SM
SURFACE MOUNT POSITIVE 0.5 VOLT, LOW DROPOUT VOLTAGE REGULATOR
Isolated Hermetic Surface Mount Package Three Terminal, Fixed Voltage, 1 Amp, Low Dropout Voltage Regulator
FEATURES
• • • • • • • Isolated Hermetic Surface Mount Package Similar To Industry Standard LM2940 Dropout Voltage Typically 0.5 V @ IO = 1 A Output Current In Excess Of 1 A Reverse Battery Protection Internal Short Circuit Protection Available Hi-Rel Screened
DESCRIPTION
These three terminal fixed voltage regulators are designed to provide 1.0A with high efficiency. It has the ability to source 1A of output current with a typical dropout voltage of .5V and a maximum of 1V over the entire temperature range. It is supplied in a hermetic surface mount package and is ideally suited for Hi-Rel applications where small size and high reliability are required.
ABSOLUTE MAXIMUM RATINGS @ 25°C
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Vdc Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V, +12V, +15Vdc Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . - 55°C to + 125°C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C Lead Temperature (Soldering 10 Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . 300°C Thermal Resistance: θJC (Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W θJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W Maximum Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 A a
3.5
4 11 R0
3.5 - 147
ELECTRICAL CHARACTERISTICS, P/N OM7648SM (5 Volts) ELECTRICAL CHARACTERISTICS, P/N OM7649SM (12 Volts)
Unit V
3.5
Unit V Max. 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 5.15 5.25 V V V mA Max. 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 12.36 12.60 V V V mA
OM7648SM - OM7650SM
3.5 - 148
mV mV V mV µV rms 15 20 15 20 15 20 50 100 ±40 ±50 ±50 ±100 .7 1 150 200 700 1 Ω A dB
30 120 mV mV V mV µV rms
15 20 15 20 15 20 5 60 ±75 ±120 ±120 ±190 .7 1 150 200 1000
1
Ω A dB
-55°C ≤ TA ≤ 125°C, VIN = 20 V, IO = 1 A, COUT = 22 µF (unless otherwise specified). Parameter Symbol Test Conditions Notes Min. 1 4.85 Output Voltage VOUT VIN = 10 V, IOUT = 5 mA 2 4.75 1 4.85 VIN = 6 V, IOUT = 5 mA 2 4.75 1 4.85 VIN = 7 V, IOUT = 5 mA 2 4.75 1 4.85 VIN = 26 V, IOUT = 5 mA 2 4.75 1 4.85 VIN = 10 V, IOUT = 1 A 2 4.75 1 4.85 VIN = 6 V, IOUT = 1 A 2 4.75 1 4.85 VIN = 6 V, IOUT = 50 mA 2 4.75 1 4.85 VIN = 10 V, IOUT = 50 mA 2 4.75 Maximum Line Transient VLT VO ≤ 6 V, RO = 100 , Ω t = 20 ms 1, 2 40 Reverse Polarity RO = 100 Ω 1, 2 -15 VRIN Input Voltage DC Reverse Polarity RO = 100 , Ω t = 20 ms 1, 2 -45 VRIT Input Voltage Transient Quiescent Current IQ 1 V = 10.