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LM34904

Texas Instruments
Part Number LM34904
Manufacturer Texas Instruments
Description 500mA Current Limited Power Switch
Published Apr 8, 2020
Detailed Description LM34904 www.ti.com SNVS803E – APRIL 2012 – REVISED APRIL 2013 500mA Current Limited Power Switch Check for Samples: L...
Datasheet PDF File LM34904 PDF File

LM34904
LM34904

Overview
LM34904 www.
ti.
com SNVS803E – APRIL 2012 – REVISED APRIL 2013 500mA Current Limited Power Switch Check for Samples: LM34904 FEATURES 1 •2 Input Voltage of 2.
8V to 5.
3V • 0.
5A Maximum Switch Current • 0.
4Ω 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 LM34904 is a 0.
5A 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.
4Ω PFET switch, the LM34904 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 LM34904 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 LM34904 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 LM34904 SNVS803E – APRIL 2012 – REVISED APRIL 2013 Connection Diagram www.
ti.
com Figure 1.
Top View - 6-Bump Thin DSBGA Package See Package Number YFQ Name VCC GND POK A...


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