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 Unit 3.5 - 148 µV rms Ω 1 dB A mV V mV mV mA V V 15 20 15 20 15 20 50 100 ±40 ±50 ±50 ±100 .7 1 150 200 700 V V -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 ,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 = 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. 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 ELECTRICAL CHARACTERISTICS, P/N OM7649SM (12 Volts) -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 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. 3.5 ELECTRICAL CHARACTERISTICS, P/N OM7648SM (5 Volts) 1 15 20 15 20 15 20 5 60 ±75 ±120 ±120 ±190 .7 1 150 200 1000 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 A dB Ω µV rms mV V mV mV 120 30 mA V V Unit OM7648SM - OM7650SM -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 ,Ω t = 20 ms 1, 2 40 Reverse Polarity RO = 100 Ω 1, 2 -15 VRIN Input Voltage DC Reverse Polarity VRIT RO = 100 ,Ω t = 20 ms 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. Ω 1 mV dB A mV V .200J mV µV rms V V mA V V Unit 15 20 15 20 15 20 50 60 ±95 ±150 ±150 ±240 .7 1 150 200 1000 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 J 3.5 - 149 .100J .020J J ELECTRICAL CHARACTERISTICS, P/N OM7650SM (15 Volts) J 3 2 VOUT Adjust VIN Isolated .350 MIN.J J ± .020J .115J .425J MECHANICAL OUTLINE Pin 1: Pin 2: Pin 3: Case: PIN CONNECTION .080 J .035 WIDEJ FLAT 3 PLCS.J 1 .160J .425J OM7648SM - OM7650SM 3.5 OM7648SM - OM7650SM TYPICAL APPLICATIONS 200 400 600 800 1000 Output Current (mA) 1A 500 mA 100 mA 80 120 0 40 Temperature (°C) Quiescent Current vs Temperature Quiescent Current (mA) Quiescent Current (mA) VIN = VOUT +5V 30 1A 20 500 mA 10 10 mA 0 -40 0 40 80 120 Temperature (°C) 160 200 180 160 140 120 100 80 60 40 20 0 Output Voltage Deviation (V) 3V 0V -10 0 10 20 30 40 50 60 Time (µs) 100 mA 500 mA 1A 0 5 40 20 10 0 10 15 20 25 30 35 Input Voltage (V) VIN = 14V VOUT = 5V TJ = 25°C 30 0 0.2 0.4 0.6 0.8 Load Current (A) 1.0 Ripple Rejection 95 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 1.0 VIN = 10V, COUT = 22µF TJ = 25°C, VOUT =5V 0.5 0 160 Quiescent Current Load Transient Response Load Current Change (A) Output Voltage Deviation (mV) Input Voltage Change (V) 30 20 10 0 -10 -20 -30 80 120 0 40 Temperature (°C) 50 Line Transient Response 3.5 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -40 Quiescent Current 50 40 160 Quiescent Current (mA) 0 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -40 Output Voltage (5V) TJ = 25°C Output Voltage vs Temperature Ripple Rejection (dB) 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 Dropout Voltage vs Temperature Dropout Voltage (V) Inout - Output Differential (V) Dropout Voltage 85 75 VIN = 10V COUT = 22µF IOUT = 10mA VOUT =5V 65 55 45 35 -10 0 10 20 Time (µs) 30 40 1 10 100 1k 10k 100k 1M Frequency (Hz)