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參數(shù)資料
| 型號： | F6456S |
| 廠商： | International Rectifier |
| 英文描述： | INTEGRATED SWITCHER |
| 中文描述： | 多功能開關(guān) |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 274K |
| 代理商： | F6456S |
www.irf.com
IRIS-F6456S
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-247 Fullpack (5 Lead)
Descriptions
IRIS-F6456S 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
S
GND
Vin
D
OCP/FB
IRIS-F6400
Type
MOSFET
VDSS(V)
RDS(ON)
MAX
AC input(V)
Pout(W)
Note 1
230
±
15%
300
85 to 264
150
IRIS-F6456S
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.
650
0.7
1Ω
Key Specifications
Data Sheet No. PD 96942A
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