TN6Q03 View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

TN6Q03

Quasi-Resonant Switching Power Supply ExPD

SANYO -> Panasonic 

Block Diagram

TN6Q03

VDD pin 4

EDGE pin 2

FB pin 1

Internal power supply

Undervoltage protection

Falling edge detection

Overvoltage

protection

Latch circuit

Reference voltage

Oscillator

Burst circuit

Overcurrent /

FB comparator

Logic

Driver

3 DRAIN pin

SOURCE

5 (GND) pin

Pin Definitions and Functions

Pin No.

1

Symbol

FB

Name

Overcurrent / feedback terminal

2

EDGE

EDGE dtection terminal

3

DRAIN

DRAIN terminal

4

VDD

Power supply terminal

5

SOURCE (GND) Source (Ground) terminal

Function

Overcurrent detection / voltage control input

Delay EDGE voltage input

Power MOSFET drain

Input for start-up voltage and drive voltage

Power MOSFET source (ground)

Sample Application Circuit

Starting resistors

Voltage resonance capacitor

Snubber circuit

+B

+

5

4

OCP

3

Input voltage

compensation

resistor

2

1

+

+

Error amplifier

GND

FB / OCP

adjusting resistor

Delay time setting capacitor and resistor

VCC circuit

No.8293-3/4

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