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ISL9110IRTNZ Datasheet(PDF) 6 Page - Intersil Corporation |
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ISL9110IRTNZ Datasheet(HTML) 6 Page - Intersil Corporation |
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6 / 20 page  ISL9110, ISL9112 6 FN7649.2 July 13, 2012 DC/DC SWITCHING SPECIFICATIONS fSW Oscillator Frequency 2.25 2.50 2.75 MHz tONMIN Minimum On Time 80 ns IPFETLEAK LX1 Pin Leakage Current -1 1 µA INFETLEAK LX2 Pin Leakage Current -1 1 µA SOFT-START and SOFT DISCHARGE tSS Soft-start Time Time from when EN signal asserts to when output voltage ramp starts. 1ms Time from when output voltage ramp starts to when output voltage reaches 95% of its nominal value with device operating in buck mode. VIN = 4V, VOUT = 3.3V, IO = 200mA 1ms Time from when output voltage ramp starts to when output voltage reaches 95% of its nominal value with device operating in boost mode. VIN = 2V, VOUT = 3.3V, IO = 200mA 2ms RDISCHG VOUT Soft-Discharge ON-Resistance VIN = 3.6V, EN < VIL 120 Ω POWER MOSFET RDSON_P P-Channel MOSFET ON-Resistance VIN = 3.6V, IO = 200mA 0.12 0.17 Ω VIN = 2.5V, IO = 200mA 0.15 0.23 Ω RDSON_N N-Channel MOSFET ON-Resistance VIN = 3.6V, IO = 200mA 0.10 0.15 Ω VIN = 2.5V, IO = 200mA 0.13 0.23 Ω IPK_LMT P-Channel MOSFET Peak Current Limit VIN = 3.6V 2.0 2.4 2.8 A PFM/PWM TRANSITION Load Current Threshold, PFM to PWM VIN = 3.6V, VOUT = 3.3V 200 mA Load Current Threshold, PWM to PFM VIN = 3.6V, VOUT = 3.3V 75 mA External Synchronization Frequency Range 2.75 3.25 MHz Thermal Shutdown 155 °C Thermal Shutdown Hysteresis 30 °C BATTERY MONITOR AND POWER GOOD COMPARATORS VTBMON Battery Monitor Voltage Threshold 1.85 2.0 2.15 V VHBMON Battery Monitor Voltage Hysteresis 100 mV tBMON Battery Monitor Debounce Time 25 µs PG Delay Time (Rising) 1ms PG Delay Time (Falling) 20 µs Minimum Supply Voltage for Valid PG Signal EN = VIN 1.2 V PGRNGLR PG Range - Lower (Rising) Percentage of programmed voltage 90 % PGRNGLF PG Range - Lower (Falling) Percentage of programmed voltage 87 % PGRNGUR PG Range - Upper (Rising) Percentage of programmed voltage 112 % PGRNGUF PG Range - Upper (Falling) Percentage of programmed voltage 110 % Compliance Voltage - PG, BAT VIN = 3.6V, ISINK = 1mA 0.3 V Analog Specifications VVIN = VPVIN = VEN = 3.6V, VOUT = 3.3V, L1 = 2.2µH, C1 = C2 = 10µF, TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN (Note 8) TYP (Note 9) MAX (Note 8) UNITS |
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