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參數資料
| 型號： | IRIS-A6331 |
| 廠商： | International Rectifier |
| 英文描述： | INTEGRATED SWITCHER |
| 中文描述： | 多功能開關 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 388K |
| 代理商： | IRIS-A6331 |
www.irf.com 1
IRIS-A6331
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 (50uA 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
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
8 Lead PDIP
Descriptions
IRIS-A6331 is a hybrid IC consists from power MOSFET and a controller IC, designed for PRC fly-back converter type
SMPS (Switching Mode Power Supply) applications, applicable for PRC operation for small power SMPS. This IC
realizes 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
ACinput(V)
Pout(W)
Note 1
IRIS-A6331
500
3.95
Ω
100/120
±
15%
10
Key Specifications
Data Sheet No. PD 96935A
1
2
3
4
8
7
6
5
IRIS-A633
1
Note1: The Pout (W) represents the thermal rating at PRC 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.
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