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SS6577 - External NMOS Step-Down PWM Controller

Description

The SS6577 is a current-mode switching regulator controller that drives an external N-channel power MOSFET using a fixed frequency architecture.

It uses an external divider to adjust the output voltage from 0.8V to 20V with excellent line and load regulation.

Features

  • N-Channel MOSFET Drive Operating input voltage from 4.5V to 24V Wide output Range : 0.8V to 20V Reference: ±1.5% 0.8V Reference Low dropout operation : 95% duty cycle Fixed constant frequency - 500kHz Low standby current, I Q typically 720µA Logic-control micropower shutdown Output overvoltage protection Internal diode for bootstrapped gate drive Current-mode operation for excellent line and load transient response Available in 8-lead SO or MSOP packages.

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Datasheet Details

Part number SS6577
Manufacturer Silicon Standard
File Size 534.10 KB
Description External NMOS Step-Down PWM Controller
Datasheet download datasheet SS6577 Datasheet

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Full PDF Text Transcription

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SS6577 External NMOS Step-Down PWM Controller FEATURES N-Channel MOSFET Drive Operating input voltage from 4.5V to 24V Wide output Range : 0.8V to 20V Reference: ±1.5% 0.8V Reference Low dropout operation : 95% duty cycle Fixed constant frequency - 500kHz Low standby current, I Q typically 720µA Logic-control micropower shutdown Output overvoltage protection Internal diode for bootstrapped gate drive Current-mode operation for excellent line and load transient response Available in 8-lead SO or MSOP packages DESCRIPTION The SS6577 is a current-mode switching regulator controller that drives an external N-channel power MOSFET using a fixed frequency architecture. It uses an external divider to adjust the output voltage from 0.8V to 20V with excellent line and load regulation.
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