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500mA Current Limited Power Switch


Package | PIN: YFQ | 6
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $0.66
10-24 $0.59
25-99 $0.54
100-249 $0.46
250-499 $0.43
500-749 $0.35
750-999 $0.28
1000+ $0.25


  • 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

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Texas Instruments  LM34904ITMX/NOPB

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 over-temperature protection. The IC comes in a tiny 6-bump thin DSBGA package.