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LM34902

Texas Instruments
Part Number LM34902
Manufacturer Texas Instruments
Description 300mA Current Limited Power Switch
Published Apr 8, 2020
Detailed Description LM34902 www.ti.com SNVS804B – MAY 2012 – REVISED APRIL 2013 300mA Current Limited Power Switch Check for Samples: LM3...
Datasheet PDF File LM34902 PDF File

LM34902
LM34902

Overview
LM34902 www.
ti.
com SNVS804B – MAY 2012 – REVISED APRIL 2013 300mA Current Limited Power Switch Check for Samples: LM34902 FEATURES 1 •2 Input Voltage of 2.
8V to 5.
3V • 0.
3A Maximum Switch Current • 0.
64Ω Typical Total On-Resistance • Load Detection • Enable/Disable • Switch On Indicator • Peak Current Limit • Thermal Shutdown • 6-Bump Thin DSBGA Package APPLICATIONS • Handsets, Tablets, Notebooks • Portable devices DESCRIPTION The LM34902 is a 0.
3A PFET switch used to control the input voltage of electronic devices.
It is easily integrated into system designs that have a 2.
8V to 5.
3V voltage rail.
Besides the 0.
45Ω PFET switch, the LM34902 can be enabled or disabled by a logic signal.
The IC monitors the presence of a downstream electronic device via a dedicated pin to decide whether to turn on the PFET switch.
A power good signal generated by the IC can be used by system control to determine the status of the switch.
The LM34902 also provides over-current and overtemperature protection.
The IC comes in a tiny 6bump Thin DSBGA package.
Typical Application Circuit VCC Main: 2.
8V to 5.
3V 1.
8V 220k VCC A1 ACC_PWR A2 LM34902 GND ENABLE PC B1 B2 POK C1 ACC_DET C2 220k VIN Accessory Device 1M Accessory Detection 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2 PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright © 2012–2013, Texas Instruments Incorporated LM34902 SNVS804B – MAY 2012 – REVISED APRIL 2013 Connection Diagram www.
ti.
com Figure 1.
Top View 6-Bump Thin DSBGA Package See Package Number YFQ PIN DESCRIPTION Name ...


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