ISL91117 Datasheet - Renesas

ISL91117 High Efficiency Synchronous Boost Converter

PIN # PIN NAMES DESCRIPTION A5, B5, C5 VOUT Boost output. Connect 2x22µF capacitor to PGND. A4, B4, C4 LX Switching node of the boost converter. A3, B3, C3 PGND Power ground for high switching current. A2, B2, C2 BLKG Blocking FET terminal. Connect the input side of the inductor. A1, B1, C1.

DATASHEET ISL91117 High Efficiency Synchronous Boost Converter with 4.2A Switches and Output Disconnect FN8569 Rev 3.00 March 7, 2014 The ISL91117 is a highly-integrated boost switching regulator for battery powered applications. The device provides a power supply solution for products using dual-cell or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. This device is capable of delivering an output current of 1.5A with PVIN = 3.3V and VOUT = 5V. The use of a synchr.

ISL91117 Features

* Input voltage range: 1.8V to 4.8V

* Fixed 5V or adjustable output

* Output current: up to 1.5A (PVIN = 3.3V, VOUT = 5V)

* High efficiency: up to 96%

* 35µA quiescent current maximizes light-load efficiency

* True input-output disconnect when disabled

ISL91117 Datasheet (800.51 KB)