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ISL9012IRGCZ Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL9012IRGCZ Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 11 page 4 FN9220.2 May 8, 2006 DEVICE START-UP CHARACTERISTICS Device Enable TIme TEN Time from assertion of the ENx pin to when the output voltage reaches 95% of the VO(nom) 250 500 μs LDO Soft-start Ramp Rate TSSR Slope of linear portion of LDO output voltage ramp during start- up 30 60 μs/V EN1, EN2 PIN CHARACTERISTICS Input Low Voltage VIL -0.3 0.5 V Input High Voltage VIH 1.4 VIN+0.3 V Input Leakage Current IIL, IIH 0.1 μA Pin Capacitance CPIN Informative 5 pF POR PIN CHARACTERISTICS POR Thresholds VPOR+ As a percentage of nominal output voltage 91 94 97 % VPOR- 87 90 93 % POR Delay TPLH CPOR = 0.01 μF 100 200 300 ms TPHL 25 μs POR Pin Output Low Voltage VOL @IOL = 1.0mA 0.2 V POR Pin Internal Pull-Up Resistance RPOR 78 100 180 k Ω NOTES: 3. Guaranteed by design and characterization. 4. VOx = 0.98 * VOx(NOM); Valid for VOx greater than 1.85V. Electrical Specifications Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature range of the device as follows: TA = -40°C to +85°C; VIN = (VO+0.5V) to 6.5V with a minimum VIN of 2.3V; CIN = 1μF; CO = 1μF; CBYP = 0.01μF; CPOR = 0.01μF (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS VPOR+ VPOR+ VPOR- <tPHL tPLH tPHL VO2 POR EN2 TEN VPOR- FIGURE 1. TIMING PARAMETER DEFINITION ISL9012 |
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