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ISL9001 Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL9001 Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 11 page 4 FN9231.2 March 28, 2008 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 EN 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 = 0.01µF 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: 6. Limits established by characterization and are not production tested. 7. VOx = 0.98*VOx(NOM); Valid for VOx greater than 1.85V. 8. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested. 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 5.5V with a minimum VIN of 2.3V; CIN =1µF; CO = 1µF. (Continued) PARAMETER SYMBOL TEST CONDITIONS MIN (Note 8) TYP MAX (Note 8) UNITS VPOR+ VPOR+ VPOR- <tPHL tPLH tPHL VO POR EN tEN VPOR- FIGURE 1. TIMING PARAMETER DEFINITION ISL9001 |
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