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IRIS-G6623 Datasheet(PDF) 1 Page - International Rectifier

Part # IRIS-G6623
Description  INTEGRATED SWITCHER
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRIS-G6623 Datasheet(HTML) 1 Page - International Rectifier

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IRIS-G6623
Features
• 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)
• Built-in Active Low-Pass Filter for stabilizing the operation in case of light
load
• Avalanche energy guaranteed MOSFET with high VDSS
• The built-in power MOSFET simplifies the surge absorption circuit
since the MOSFET guarantees the avalanche energy.
• No VDSS de-rating is required.
• Built-in constant voltage drive circuit
• Built-in soft drive circuit
• Built-in low frequency PRC mode (≒20kHz)
• Various kinds of protection functions
• Pulse-by-pulse Overcurrent Protection (OCP)
• Overvoltage Protection with latch mode (OVP)
• Thermal Shutdown with latch mode (TSD)
INTEGRATED SWITCHER
Package Outline
TO-220 Fullpack (5 Lead)
Descriptions
IRIS-G6623 is a hybrid IC consists from power MOSFET and a controller IC, designed for Quasi-Resonant
(including low frequency PRC) fly-back converter type SMPS (Switching Mode Power Supply) applications. This IC
realizes high efficiency, low noise, downsizing and standardizing of a power supply system reducing external
components count and simplifying the circuit designs.
(Note). PRC is abbreviation of “Pulse Ratio Control” (On-width control with fixed OFF-time).
Typical Connection Diagram
Type
MOSFET
VDSS(V)
RDS(ON)
MAX
AC input(V)
Pout(W)
Note 1
100±15%
75
120±15%
100
IRIS-G6623
450
1.3Ω
Key Specifications
Data Sheet No. PD 96947A
Note 1: The Pout (W) represents the thermal rating at Quasi-Resonant
Operation, and the peak power output is obtained by approximately 120 to
140% of the above listed. When the output voltage is low and ON-duty is
narrow, the Pout (W) shall become lower than that of above.
V
VV
Vi
ii
in
nn
n
I
II
IR
RR
RI
II
IS
SS
S-
--
-G
GG
G6
66
66
66
60
00
00
00
0
D
DD
D
S
SS
S
G
GG
GN
NN
ND
DD
D
O
OO
OC
CC
CP
PP
P/
//
/F
FF
FB
BB
B


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