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 , t = 20 ms Ω 1, 2 40 Reverse Polarity RO = 100 Ω 1, 2 -15 VRIN Input Voltage DC Reverse Polarity RO = 100 , t = 20 ms Ω 1, 2 -45 VRIT Input Voltage Transient Quiescent Current IQ 1 V = 10 V, IOUT = 5 mA 2 IN 1 V = 7 V, IOUT = 5 mA 2 IN 1 V = 26 V, IOUT = 5 mA 2 IN 1 V = 10 V, IOUT = 1 A 2 IN Line Regulation VRLN 7 V ≤ VIN ≤ 26 V, 1 2 IOUT = 5 mA 1 Load Regulation VRLD VIN = 10 V, 50 mA ≤ IOUT ≤ 1 A 2 Dropout Voltage VDO 1 IOUT = 1 A 2 1 IOUT = 100 mA 2 Output Noise Voltage VON VIN = 10 V, IO = 5 mA, 1, 2 10 Hz - 100 Hz Output Impedance RO VIN = 10 V, IOUT = 100 mA dc 1, 2 and 20 mA ac, fO = 120 Hz 1 1.5 Short Circuit Current IOS VIN = 10 V 2 1.3 Ripple Rejection RR VIN = 10 V + 1 V rms, 1 60 IOUT = 5 mA, f = 1 kHz 2 50 Notes: 1. TA = 25°C. 2. Over full operating temperature range. -55°C ≤ TA ≤ 125°C, VIN = 20 V, IO = 1 A, COUT = 22 µF (unless otherwise specified). Parameter Symbol Test Conditions Notes Min. 1 11.64 Output Voltage VOUT VIN = 17 V, IOUT = 5 mA 2 11.40 1 11.64 VIN = 13.6 V, IOUT = 5 mA 2 11.40 1 11.64 VIN = 14 V, IOUT = 5 mA 2 11.40 1 11.64 VIN = 26 V, IOUT = 5 mA 2 11.40 1 11.64 VIN = 17 V, IOUT = 1 A 2 11.40 1 11.64 VIN = 13.6 V, IOUT = 1 A 2 11.40 1 11.64 VIN = 13.6 V, IOUT = 50 mA 2 11.40 1 11.64 VIN = 17 V, IOUT = 50 mA 2 11.40 Maximum Line Transient VLT VO ≤ 13 V, RO = 100 , t = 20 ms Ω 1, 2 40 Reverse Polarity RO = 100 Ω 1, 2 -15 VRIN Input Voltage DC Reverse Polarity RO = 100 , t = 20 ms Ω 1, 2 -45 VRIT Input Voltage Transient Quiescent Current IQ 1 V = 17 V, IOUT = 5 mA 2 IN 1 V = 14 V, IOUT = 5 mA 2 IN 1 V = 26 V, IOUT = 5 mA 2 IN 1 V = 17 V, IOUT = 1 A 2 IN Line Regulation VRLN 14 V ≤ VIN ≤ 26 V, 1 IOUT = 5 mA 2 1 Load Regulation VRLD VIN = 17 V, 50 mA ≤ IOUT ≤ 1 A 2 1 Dropout Voltage VDO IOUT = 1 A 2 1 IOUT = 100 mA 2 Output Noise Voltage VON VIN = 17 V, IO = 5 mA, 1 10 Hz - 100 Hz VIN = 17 V, IOUT = 100 mA dc Output Impedance RO 1, 2 and 20 mA ac, fO = 120 Hz 1 1.6 Short Circuit Current IOS VIN = 17 V 2 1.3 Ripple Rejection RR VIN = 17 V + 1 V rms, 1 45 IOUT = 5 mA, f = 1 kHz 2 42 Notes: 1. TA = 25°C. 2. Over full operating temperature range.
ELECTRICAL CHARACTERISTICS, P/N OM7650SM (15 Volts)
Unit V
PIN CONNECTION
2 1 3
Max. 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 15.45 15.75 V V V mA
Pin 1: Pin 2: Pin 3: Case:
VOUT Adjust VIN Isolated
3.5 - 149
mV
MECHANICAL OUTLINE
.425
.100
mV V mV µV rms
.200
.425 .035 WIDE FLAT 3 PLCS.
15 20 15 20 15 20 50 60 ±95 ±150 ±150 ±240 .7 1 150 200 1000
.350 MIN.
1 Ω A dB
± .020 .115 .160 .020
-55°C ≤ TA ≤ 125°C, VIN = 20 V, IO = 1 A, COUT = 22 µF (unless otherwise specified). Parameter Symbol Test Conditions Notes Min. 1 14.55 Output Voltage VOUT VIN = 20 V, IOUT = 5 mA 2 14.25 1 14.55 VIN = 16.75 V, IOUT = 5 mA 2 14.25 1 14.55 VIN = 17 V, IOUT = 5 mA 2 14.25 1 14.55 VIN = 26 V, IOUT = 5 mA 2 14.25 1 14.55 VIN = 20 V, IOUT = 1 A 2 14.25 1 14.55 VIN = 16.75 V, IOUT = 1 A 2 14.25 1 14.55 VIN = 16.75 V, IOUT = 50 mA 2 14.25 1 14.55 VIN = 20 V, IOUT = 50 mA 2 14.25 Maximum Line Transient VLT VO ≤ 16 V, RO = 100 , t = 20 ms Ω 1, 2 40 Reverse Polarity RO = 100 Ω 1, 2 -15 VRIN Input Voltage DC Reverse Polarity VRIT RO = 100 , t = 20 ms Ω 1, 2 -45 Input Voltage Transient 1 Quiescent Current IQ V = 20 V, IOUT = 5 mA 2 IN 1 V = 17 V, IOUT = 5 mA 2 IN 1 V = 26 V, IOUT = 5 mA 2 IN 1 V = 20 V, IOUT = 1 A 2 IN Line Regulation VRLN 17 V ≤ VIN ≤ 26 V, 1 2 IOUT = 5 mA 1 Load Regulation VRLD VIN = 20 V, 50 mA ≤ IOUT ≤ 1 A 2 1 Dropout Voltage VDO IOUT = 1 A 2 1 IOUT = 100 mA 2 Output Noise Voltage VON VIN = 20 V, IO = 5 mA, 1 10 Hz - 100 Hz Output Impedance RO VIN = 20 V, IOUT = 100 mA ac 1, 2 and 20 mA dc, fO = 120 Hz 1 1.6 Short Circuit Current IOS VIN = 20 V 2 1.3 Ripple Rejection RR VIN = 20 V + 1 V rms, 1 48 IOUT = 5 mA, f = 1 kHz 2 42 Notes: 1. TA = 25°C. 2. Over full operating temperature range.
OM7648SM - OM7650SM
.080
3.5
OM7648SM - OM7650SM
TYPICAL APPLICATIONS
Dropout Voltage
0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -40 Inout - Output Differential (V)
Dropout Voltage vs Temperature
5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -40 Dropout Voltage (V) Output Voltage (5V)
Output Voltage vs Temperature
TJ = 25°C
1A
500 mA 100 mA 80 120 0 40 Temperature (°C) 160
200 400 600 800 1000 Output Current (mA)
80 120 0 40 Temperature (°C)
160
Quiescent Current vs Temperature
50 Quiescent Current (mA) Quiescent Current (mA) 40 30 20 10 10 mA 0 -40 0 40 80 120 Temperature (°C) 160 VIN = VOUT +5V 200 180 160 140 120 100 80 60 40 20 0
Quiescent Current
50 Quiescent Current (mA) 40 30 20 10 0 0
Quiescent Current
1A 500 mA
100 mA 500 mA 1A
VIN = 14V VOUT = 5V TJ = 25°C
0
5
10 15 20 25 30 35 Input Voltage (V)
0.2 0.4 0.6 0.8 Load Current (A)
1.0
Line Transient Response
Output Voltage Deviation (mV) 30 20 10 0 -10 -20 -30 3V 0V -10 0 Output Voltage Deviation (V) 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 1.0 0.5 0 -10
Load Transient Response
95 Ripple Rejection (dB) 85 75 65 55 45 35 0 10 20 Time (µs) 30 40 1
Ripple Rejection
3.5
Input Voltage Change (V)
10 20 30 40 50 60 Time (µs)
Load Current Change (A)
VIN = 10V, COUT = 22µF TJ = 25°C, VOUT =5V
VIN = 10V COUT = 22µF IOUT = 10mA VOUT =5V
10 100 1k 10k 100k 1M Frequency (Hz)