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NCP81045 - Single Synchronous Step-Down Controller

General Description

Pin No.

1 VIN Input voltage used for feed forward in switcher operation.

Synchronization interleaving use.

Key Features

  • soft.
  • start sequence, UVLO for VCC and switcher, overvoltage protection, overcurrent protection, undervoltage protection and thermal shutdown. The IC is packaged in QFN16. Features.
  • 0.8% accuracy 0.8 V Reference.
  • 4.5 V to 27 V Battery/Adaptor Voltage Range.
  • Adjustable Output Voltage Range: 0.8 V to 3.3 V.
  • Synchronization Interleaving between Two NCP81045s.
  • Skip Mode for Power Saving Operation at Light Load.
  • Lossless Inductor Current Se.

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Datasheet Details

Part number NCP81045
Manufacturer onsemi
File Size 300.74 KB
Description Single Synchronous Step-Down Controller
Datasheet download datasheet NCP81045 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NCP81045 Product Preview Single Synchronous Step-Down Controller The NCP81045 is a synchronous stepdown controller for high performance systems battery−power systems. The NCP81045 includes a high efficiency PWM controller. A pin is provided to allow two devices in interleaved operation. An internal power good voltage monitor tracks the SMPS output. NCP81045 also features soft−start sequence, UVLO for VCC and switcher, overvoltage protection, overcurrent protection, undervoltage protection and thermal shutdown. The IC is packaged in QFN16. Features • 0.8% accuracy 0.8 V Reference • 4.5 V to 27 V Battery/Adaptor Voltage Range • Adjustable Output Voltage Range: 0.8 V to 3.