iris-w6753 International Rectifier Corp., iris-w6753 Datasheet

iris-w6753

Manufacturer Part Number

iris-w6753

Description

Integrated Switcher

Manufacturer

International Rectifier Corp.

Datasheet

1.IRIS-W6753.pdf (8 pages)

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• 6-pin SIP type full molded package, optimum IC for low-height SMPS, with

distance between high and low voltage pin 1.8 mm with pin elimination.

• Oscillator is provided on the monolithic control with adopting On-Chip

Trimming Technology

• Small temperature characteristics variation by adopting a comparator to

compensate for temperature on the control part.

• Low start-up circuit current (100uA max)

•Avalanche energy guaranteed MOSFET with high VDSS

• Built-in constant voltage drive circuit

• Built-in step drive circuit

• Built-in low frequency PWM mode (≒22 kHz)

• UVLO Burst Standby

• Two operational modes by auto switching functions according to load

• Various kinds of protection functions

Note 1:

The Pout (W) represents the thermal rating at Quasi-Resonant operation, and the peak power output is obtained by approximating 120 to

140 % of the above listed value. When the output voltage is low, and the ON-duty is narrow, the Pout (W) shall become lower than that

of the above.

Features

Description

IRIS-W6753 is a hybrid IC consisting of a power MOSFET and a controller IC, designed for Quasi-Resonant (including low frequency PWM)

fly-back converter type SMPS (Switching Mode Power Supply)

standardizing of a power supply system reducing external component count and simplifying the circuit design.

Typical Connection Diagram

circuit since the MOSFET guarantees the avalanche energy.

The built-in power MOSFET simplifies the surge

No VDSS de-rating is required.

For middle~heavy load operation : QR mode

For light~middle load operation : 1 Bottom Skip mode

Pulse-by-Pulse Overcurrent Protection (OCP)

Overvoltage Protection with Latch mode (OVP)

Overload Protection with Latch mode (OLP)

The maximum limit of on-time

I I I I R R R R I I I I S S S S - - - - W W W W 6 6 6 6 7 7 7 7 5 5 5 5 3 3 3 3

S S S S S S S S / / / / O O O O L L L L P P P P

O O O O C C C C P P P P / / / / B B B B D D D D

S S S S / / / / G G G G N N N N D D D D

V V V V c c c c c c c c

F F F F B B B B

D D D D

applications.

absorption

IRIS-W6753

Key Specifications

T ype

This IC realizes high efficiency, low noise, downsizing and

INTEGRATED SWITCHER

MOSFET

VDSS(V)

650

Package Outline

TO-220 Fullpack (7 Lead modified)

IRIS-W6753

RDS(ON)

1.65Ω

MAX

Data Sheet No. PD 96951A

AC input(V)

230 ± 15%

85 to 264

www.irf.com

Pout(W)

Note 1

120

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iris-w6753 Summary of contents

Page 1

... The maximum limit of on-time Description IRIS-W6753 is a hybrid IC consisting of a power MOSFET and a controller IC, designed for Quasi-Resonant (including low frequency PWM) fly-back converter type SMPS (Switching Mode Power Supply) standardizing of a power supply system reducing external component count and simplifying the circuit design. ...

Page 2

... IRIS-W6753 Absolute Maximum Ratings (Ta = 25ºC) Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to terminals stated, all currents are defined positive into any lead. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions ...

Page 3

... IRIS-W6753 Electrical Characteristics (for Control IC) Electrical characteristics for control part (Ta=25℃, Vin=20V,unless otherwise specified) Symbol Definition Power Supply Start-up Operation V Operation Start Voltage CC(ON) V Operation Stop Voltage CC(OFF) I Circuit Current in Operation CC(ON) I Circuit Current in Non-Operation CC(OFF) fosc Oscillation Frequency V Soft Start Operation Stop Voltage ...

Page 4

... IRIS-W6753 Electrical Characteristics (for Control IC), Contd. Stand-by Operation V Stand-by Operation Start Voltage CC(S) V Stand-by Operation Start Voltage Interval CC(SK) I Stand-by Non-Operation Circuit Current CC( Pin Inflow Current (Stand-by) FB(S) Stand-by Operation FB Pin Threshold V Voltage FB(S) T Minimum ON Time ON(MIN) Protection Operation T Maximum ON Time ON(MAX) V OLP Operation Threshold Voltage ...

Page 5

... Units Note TYP MAX - - V ID=300µA - 300 µA V =650V DS - 1.65 Ω I =1. 400 nSec Between channel - 2.0 ℃/W and internal frame IRIS-W6753 MOS FET A.S.O. curve Single Pulse Drain current limit by ON resistance 1ms 10 100 Drain-to-Source Voltage V [V] DS www.irf.com - Ta=25ºC 0.1ms 1000 ...

Page 6

... IRIS-W6753 IRIS-W6753 MOSFET Ta-PD1 Curve 30 P =26[ With infinite heatsink Without Without heatsink 5 heatsink P =1.3[W] P =1.5[ 100 Ambient temperature Ta[ ℃ 0.1 0.01 0.001 1µ 10µ 120 140 160 25 C hannel tem p erature T ch [℃ ] STR-W6753 Transient thermal resistance curve 100µ ...

Page 7

... IRIS-W6753 Block Diagram ４４＋＋ Reg& Iconst －－ Burst Burst Start Control Control Stop Burst OVP ＋－ OLP Soft Start Pin Designation Pin No. Pin Assignments ...

Page 8

... IRIS-W6753 Case Outline 10.0±0.2 gate burr 6-0.74±0.15 6-0.65 6xP1.27±0.15=7.62±0.15 0 WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 +0.2 -0.1 R-end +0.2 0.45 -0.1 5.08±0.6 0.5 0.5 0.5 Data and specifications subject to change without notice. ...

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