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ADP7157ARDZ-03-R7 数据表(PDF) 4 Page - Analog Devices |
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ADP7157ARDZ-03-R7 数据表(HTML) 4 Page - Analog Devices |
4 / 24 page Data Sheet ADP7157 Rev. A | Page 3 of 23 SPECIFICATIONS VIN = VOUT_MAX1 + 0.5 V; VEN = VIN; ILOAD = 10 mA; CIN = COUT = 10 µF; CREG = CREF = CBYP = 1 µF; TA = 25°C for typical specifications; TA = −40°C to +125°C for minimum/maximum specifications, unless otherwise noted. Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUT VOLTAGE RANGE V IN 2.3 5.5 V LOAD CURRENT I LOAD 1.2 A OPERATING SUPPLY CURRENT I GND I LOAD = 0 µA 4.0 8.0 mA I LOAD = 1.2 A 7.0 12.0 mA SHUTDOWN CURRENT I IN-SD EN = ground 0.2 4 µA NOISE2 V OUT = 1.2 V to 3.3 V Output Noise OUT NOISE 10 Hz to 100 kHz 1.6 µV rms 100 Hz to 100 kHz 0.9 µV rms Noise Spectral Density OUT NSD 10 kHz to 1 MHz 1.7 nV/√Hz POWER SUPPLY REJECTION RATIO2 PSRR I LOAD = 1.2 A ADP7157-01 1 kHz to 100 kHz, V IN = 2.3 V, VOUT = 1.8 V 70 dB 1 MHz, V IN = 2.3 V, VOUT = 1.8 V 52 dB ADP7157-02 1 kHz to 100 kHz, V IN = 2.8 V, VOUT = 2.3 V 72 dB 1 MHz, V IN = 2.8 V, VOUT = 2.3 V 53 dB ADP7157-03 1 kHz to 100 kHz, V IN = 3.4 V, VOUT = 2.9 V 75 dB 1 MHz, V IN = 3.4 V, VOUT = 2.9 V 55 dB ADP7157-04 1 kHz to 100 kHz, V IN = 3.8 V, VOUT = 3.3 V 82 dB 1 MHz, V IN = 3.8 V, VOUT = 3.3 V 55 dB OUTPUT VOLTAGE ACCURACY Output Voltage3 V OUT 1.2 3.3 V Initial Accuracy V OUT I LOAD = 10 mA, TA = 25°C −0.6 +0.6 % 10 mA < I LOAD < 1.2 A, TA = 25°C −1.0 +1.0 % 10 mA < I LOAD < 1.2 A, TA = −40°C to +125°C −1.5 +1.5 % REGULATION Line ∆V OUT/∆VIN V IN = VOUT_MAX + 0.5 V to 5.5 V −0.1 +0.1 %/V Load4 ∆V OUT/∆IOUT I OUT = 10 mA to 1.2 A 0.3 %/A CURRENT-LIMIT THRESHOLD5 I LIMIT REF 22 mA VOUT 1.4 1.8 2.4 A DROPOUT VOLTAGE6 V DROPOUT I OUT = 600 mA, VOUT = 3.3 V 60 80 mV I OUT = 1.2 A, VOUT = 3.3 V 120 170 mV PULL-DOWN RESISTANCE EN = 0 V, V IN = 5.5 V VOUT V OUT-PULL V OUT = 1 V 650 Ω VREG V REG-PULL V REG = 1 V 31 kΩ REF V REF-PULL V REF = 1 V 850 Ω BYP V BYP-PULL V BYP = 1 V 650 Ω START-UP TIME2, 7 V OUT = 3.3 V VOUT t START-UP 1.2 ms VREG t REG-START-UP 0.6 ms REF t REF-START-UP 0.5 ms THERMAL SHUTDOWN2 Threshold TS SD T J rising 150 °C Hysteresis TS SD-HYS 15 °C |
类似零件编号 - ADP7157ARDZ-03-R7 |
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类似说明 - ADP7157ARDZ-03-R7 |
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