NCP81045 - Single Synchronous Step-Down Controller
onsemi
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.
Full PDF Text Transcription for NCP81045 (Reference)
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NCP81045. For precise diagrams, and layout, please refer to the original PDF.
NCP81045 Product Preview Single Synchronous Step-Down Controller The NCP81045 is a synchronous stepdown controller for high performance systems battery−power systems. The...
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own 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.
NCP81045 Datasheet
