Wireless headsets PDAs, Players Digital Cameras 3-Cell Boost Conv
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ILC6383
Wireless headsets PDAs, Players Digital Cameras
3-Cell Boost Converter Requires External Diode
General Description
ILC6383 series step-up DC-DC converters operate from 1cell 3-cell input. shutdown mode, device allows true load disconnect from battery input. Designed wireless communications applications, oscillator frequency 300kHz avoid harmonics 455kHz band. Internal synchronous rectification user selectable PFM/PWM mode operation allows greater than efficiency light full load. ILC6383 capable delivering 75mA 3.3V output from single cell input. ILC6383-XX offers 3.3V fixed output voltage while ILC6383-ADJ allows adjustable output voltage maximum. Output voltage accuracy over specified temperature range. Additional features include power good output (POK) internal battery detector with 100ms transient rejection delay. device will reject battery input transients under 100ms duration. ILC6383 series available space saving eight lead micro (MSOP-8) package.
System Advantages
Synchronous rectification requires external diode 75mA@3.3V 40mA@5V from input 375mA@3.3V 160mA@5V from input Internal Oscillator frequency: 300kHz battery detector with 100ms transient rejection delay Power good output flag when VOUT regulation
Power Saving Features
0.9V input voltage True load disconnect from battery input shutdown mode Efficiency >90% from 100mA 150mA VOUT battery input current shutdown (with VOUT
System Options
ILC6383: Fixed 3.3V output ILC6383-ADJ: Adjustable output
Package Options
8-pin MSOP
Application Circuit
Rev. 1.0.0
ILC6383
LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT FAIRCHILD SEMICONDUCTOR CORPORATION. used herein: Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform, when properly used accordance with instructions provided labeling, reasonably expected result significant injury user. critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness.
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