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NCP3011 - Synchronous PWM Controller

General Description

1 VREF The VREF pin is the output for a 1.25 V reference (1 mA max).

A 100 kW resistor in parallel with a 1 mF ceramic capacitor must be connected from this pin to GND to ensure external reference stability.

2 EN The EN pin is the enable/disable input.

Key Features

  • include lossless current limit and short circuit protection, output overvoltage and undervoltage protection, and input undervoltage lockout. The NCP3011 is available in a 14.
  • pin TSSOP package. Features.
  • Input Voltage Range from 4.7 V to 28 V.
  • 400 kHz Operation.
  • 0.8 V $1.0% Reference Voltage.
  • Buffered External +1.25 V Reference.
  • Current Limit and Short Circuit Protection.
  • Power Good.
  • Enable/Disable Pin.
  • Input Undervol.

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Datasheet Details

Part number NCP3011
Manufacturer onsemi
File Size 363.07 KB
Description Synchronous PWM Controller
Datasheet download datasheet NCP3011 Datasheet

Full PDF Text Transcription for NCP3011 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for NCP3011. For precise diagrams, and layout, please refer to the original PDF.

NCP3011, NCV3011 Synchronous PWM Controller The NCP3011 is a PWM device designed to operate from a wide input range and is capable of producing an output voltage as low a...

View more extracted text
ide input range and is capable of producing an output voltage as low as 0.8 V. The NCP3011 provides integrated gate drivers and an internally set 400 kHz oscillator. The NCP3011 has an externally compensated transconductance error amplifier with an internally fixed soft−start. The NCP3011 incorporates output voltage monitoring with a Power Good pin to indicate that the system is in regulation. The dual function SYNC pin synchronizes the device to a higher frequency (Slave Mode) or outputs a 180° out−of−phase clock signal to drive another NCP3011 (Master Mode).

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