ISL9111A - High Efficiency Synchronous Boost Converter
FIXED (5.0V, 3.3V, 3.0V) PIN NUMBER 1 ADJUSTABLE OUTPUT PIN NUMBER 1 2 2 3 3 4 - - 4 5 5 6 6 SYMBOL SW GND EN FAULT FB VOUT VIN PIN DESCRIPTION The SW pin is the switching node of the power converter.
Connect one terminal of the inductor to the SW pin and the other to power input.
S
DATASHEET ISL9111, ISL9111A Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch FN7602 Rev.4.00 Jun 4, 2012 The ISL9111 and ISL9111A provide a power supply solution for single-cell, dual-cell, or three-cell alkaline, NiCd or NiMH battery-powered applications.
The device has a typical 0.8V start-up voltage and is capable of supplying up to 5.25V output voltage.
Both devices are guaranteed to supply 100mA from a single-cell input and 240mA from a dual-cell input when o
ISL9111A Features
* Up to 97% Efficiency at Typical Operating Conditions
* Minimum Start-up Voltage - 0.8V (ISL9111) - 0.6V (ISL9111A)
* Minimum Operating Voltage - 0.7V (ISL9111) - 0.5V (ISL9111A)
* Low Quiescent Current: 20μA (Typical)
* At VOUT = 3.3V - 100mA Output Current
