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NCP81044 - Low Voltage Synchronous Buck Controller

General Description

Pin No.

1 Symbol BST Description Supply rail for the floating top gate driver.

To form a boost circuit, use an external diode to bring the desired input voltage to this pin (cathode connected to BST pin).

Key Features

  • of the gate driver include adaptive non.
  • overlap circuitry. The devices also incorporate an externally compensated error amplifier and a capacitor programmable soft.
  • start function. Protection features include programmable short circuit protection and under voltage lockout (UVLO). The NCP81044 comes in an 8.
  • pin SOIC package. Features http://onsemi. com.

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Datasheet Details

Part number NCP81044
Manufacturer onsemi
File Size 412.43 KB
Description Low Voltage Synchronous Buck Controller
Datasheet download datasheet NCP81044 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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NCP81044 Product Preview Low Voltage Synchronous Buck Controller The NCP81044 is a PWM controller designed to operate from a 5 V or 12 V supply. These devices are capable of producing an output voltage as low as 0.8 V. These 8−pin devices provide an optimal level of integration to reduce size and cost of the power supply. The NCP81044 provides a 1 A gate driver design and an internally set 275 kHz oscillator. In addition to the 1 A gate drive capability, other efficiency enhancing features of the gate driver include adaptive non−overlap circuitry. The devices also incorporate an externally compensated error amplifier and a capacitor programmable soft−start function. Protection features include programmable short circuit protection and under voltage lockout (UVLO).