SL494CN datasheet, PDF - EEWORLD Datasheet

SL494CN: CategoryPower/power management Switching power supply chip; File Size136KB，6 Pages; ManufacturerShenzhen SLKOR Micro Semicon Co., Ltd.; Websitehttp://www.slkormicro.com/; Shenzhen SlkorMicro Semicon Co., Ltd. is dedicated to the 3rd-generation semiconductor SiC power devices. Our products cover discrete devices and ICs, diodes, transistors, power devices, and power management chips. Our brand "Slkor" is gaining reputations in the semiconductor industry. We offer varieties of products ranging from industrial to military applications, SiC diodes, SiC MOSFET, IGBT, the 5th generation ultra-fast recovery power diodes, and more. These products are vitally applied in electric vehicles, high-end equipment, communication equipment, and more.

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SL494CN

SMPS Controller

Features

• Internal Regulator Provides a Stable 5V Reference Supply

Trimmed to 5%

• Uncommitted Output TR for 200mA Sink or Source

Current

• Output Control For Push-Pull or Single Ended Operation

• Variable Duty Cycle By Dead Time Control (Pin 4)

Complete PWM Control Circuit

• On-Chip Oscillator With Master or Slave Operation

• Internal Circuit Prohibits Double Pulse at Either Output

16-DIP

16-SOP

SL494CN

SL494CNS

Description

The

SL494CN

is used for the control circuit of the PWM switching regulator. The

SL494CN

consists of 5V reference

voltage circuit, two error amplifiers, a flip flop, an output control circuit, a PWM comparator, a dead time comparator

and an oscillator. This device can be operated in the switching frequency of 1kHz to 300kHz.

Internal Block Diagram

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