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ISL80112IRAJZ Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL80112IRAJZ Datasheet(HTML) 5 Page - Intersil Corporation |
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5 / 17 page  ISL80111, ISL80112, ISL80113 5 FN7841.2 November 1, 2013 VIN Quiescent Current IQ (VIN) VOUT = 1.0V 3.5 mA VBIAS Quiescent Current IQ (VBIAS) 0 ≤ IL ≤ 3A, VBIAS = 5.5V 2.9 4.6 mA Ground Pin Current in Shutdown ISHDN ENABLE Pin = 0.2V, TJ = +125°C 3 20 µA VIN Dropout Voltage (Note 11) VDO(VIN) ILOAD = 1A, VOUT = 1.2V, 2.9V ≤ VBIAS ≤ 5V 27 90 mV ILOAD = 2A, VOUT = 1.2V, 2.9V ≤ VBIAS ≤ 5V 53 115 mV ILOAD = 3A, VOUT = 1.2V, 2.9V ≤ VBIAS ≤ 5V 75 140 mV VBIAS Dropout Voltage (Note 11) VDO(BIAS) ILOAD = 1A, VOUT = 1.2V 1.1 1.3 V ILOAD = 2A, VOUT = 1.2V 1.2 1.4 V ILOAD = 3A, VOUT = 1.2V 1.3 1.5 V OVERCURRENT PROTECTION Output Short Circuit Current (3A Version) ISC VOUT = 0.2V 5.2 A Output Short Circuit Current (2A Version) VOUT = 0.2V 3.2 A Output Short Circuit Current (1A Version) VOUT = 0.2V 2.2 A OVER-TEMPERATURE PROTECTION Thermal Shutdown Temperature TSD 160 °C Thermal Shutdown Hysteresis TSDn 20 °C AC CHARACTERISTICS Input Supply Ripple Rejection PSRR(VIN) f = 120Hz, ILOAD = 1A 80 dB PSRR(VBIAS) f = 120Hz, ILOAD = 1A 60 dB Output Noise Voltage eN(RMS) ILOAD = 10mA, BW = 100Hz ≤ f ≤ 100kHz 100 µVRMS Spectral Noise Density eN ILOAD = 3A, f = 10Hz 7 µV/ √Hz ILOAD = 3A, f = 100Hz 3 µV/√Hz DEVICE START-UP CHARACTERISTICS EN Start-up Time tEN COUT = 10µF, ILOAD = 1A 50 µs BIAS Start-up Time tBIAS COUT = 10µF, EN = BIAS 100 µs ENABLE PIN CHARACTERISTICS Turn-on Threshold (Rising) VOUT + 0.4V ≤ VIN ≤ 3.6V, 2.9V ≤ VBIAS ≤ 5.5V 400 680 850 mV Hysteresis (Rising Threshold) 1.2V ≤ VIN ≤ 3.6V, 2.9V ≤ VBIAS ≤ 5.5V 60 260 330 mV PG PIN CHARACTERISTICS PG Flag Falling Threshold PGTH 2.9V ≤ VBIAS ≤ 5.5V 71 82 93 %VOUT PG Flag Hysteresis PGHYS 2.9V ≤ VBIAS ≤ 5.5V 9.3 %VOUT Electrical Specifications Unless otherwise specified, VIN = VOUT + 0.4V, VBIAS = 2.9V, VOUT = 1.2V, CBIAS = 1µF, CIN = 10µF, COUT = 2.2µF, TJ = +25°C, IL = 0mA. Applications must follow thermal guidelines of the package to determine worst-case junction temperature. Please refer to “Power Dissipation” on page 13 and Tech Brief TB379. Boldface limits apply over junction temperature (TJ) range, -40°C to +125°C. Pulse load techniques used by ATE to ensure TJ = TA where datasheet limits are defined. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 10) TYP MAX (Note 10) UNITS |
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