TS19375 Просмотр технического описания (PDF) - TSC Corporation

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TS19375

PWM Step-Up Controller

TSC Corporation 

TS19375

PWM Step-Up Controller

SOP-8

Pin Definition:

1. EN

8. NC

2. Vcc

7. GND

3. FB

6. Gate

4. SS

5. Sense

General Description

The TS19375 is high efficient PWM step-up controller. Designed to drive an external N-channel MOSFET, Output

voltage is programmable with 1.0V of standard voltage supply internal, and using externally connected

components, output voltage (FB) can be set up at will.

The TS19375 can be operated at switching frequencies of 500kHz allowing for easy filtering and low noise, the

size of the external components can be reduced. An enable function and thermal shutdown functions are built

inside. The soft-start time can be programmed by outside capacitor; the function prevents overshoot at startup.

Features

● Input voltage range 3V ~ 24V

● Output voltage: Define by N-CH MOSFET

● Duty ratio: 0% ~ 85% PWM control

● Oscillation frequency: 500kHz

● Soft-start time programmed by external capacitor

● Thermal shutdown protection

● Internal current limit

● External SW N-CH MOSFET

Ordering Information

Part No.

Package

Packing

TS19375CS RLG SOP-8 2.5Kpcs / 13” Reel

Note: “G” denotes for Halogen Free

Application

● LED Panel Display Backlighting

● PDA and Portable Media Players

● Local Boost Regulator

Typical Application Circuit

1/8

Version: B11

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