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LTC1986

Part Number	LTC1986
Manufacturer	Linear Technology
Description	3V/5V SIM Power Supply
Published	Mar 27, 2005
Detailed Description	LTC1986 3V/5V SIM Power Supply in SOT-23 FEATURES s s s s s DESCRIPTIO s s s s s s s VIN Range: 2.6V to 4.4V Step-Up...
Datasheet	LTC1986 PDF File

Overview

LTC1986 3V/5V SIM Power Supply in SOT-23 FEATURES s s s s s DESCRIPTIO s s s s s s s VIN Range: 2.
6V to 4.
4V Step-Up Charge Pump Generates 5V Output Current: 10mA VIN to VOUT Direct Connection for 3V SIMs Ultralow Power Operating Current: 14µA Shutdown Current: <1µA No Inductors Short-Circuit/Thermal Protected Switching Frequency: 900kHz Soft-Start Limits Inrush Current at Turn-On Output Driven to Ground During Shutdown Ultrasmall Application Circuit (< 0.
045in2) 6-Lead SOT-23 Package The LTC®1986 is a micropower charge pump DC/DC converter that provides power for either 3V or 5V GSM SIM cards.
It operates in one of three modes: VOUT = 5V (5V mode), VOUT = VIN (3V mode) or shutdown.
The...

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