SS6577 External NMOS Step-Down PWM Controller

Silicon Standard

Description

SS6577 External NMOS Step-Down PWM Controller .
The SS6577 is a current-mode switching regulator controller that drives an external N-channel power MOSFET using a fixed frequency architecture.

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Datasheet Specifications

Part number: SS6577
Manufacturer: Silicon Standard
File Size: 534.10 KB
Datasheet: SS6577_SiliconStandard.pdf
Description: 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 prote

Applications

* LCD Monitor Palmtop Computers, PDAs Wireless Modems On-Card Switching Regulators DC Power Distribution Systems Rev.1.02 3/26/2004 www. SiliconStandard. com 1 of 14 www. DataSheet. in SS6577 TYPICAL APPLICATION CIRCUIT 1 2 C5 330pF R3 24k 3 4 8 7 6 5 C3 0.1µF D1 SL43 1000pF C1 C2 0.1µF RS 33m + VIN

SS6577 Distributors

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SS6577 External NMOS Step-Down PWM Controller Silicon Standard

Silicon Standard SS6577-like datasheet