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IRIS-A6331 Datasheet

  • IRIS-A6331

  • INTEGRATED SWITCHER

  • 7頁

  • IRF

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Data Sheet No. PD 96935A
IRIS-A6331
Features
鈥?/div>
Oscillator is provided on the monolithic control with adopting On-Chip-
Trimming technology.
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Small temperature characteristics variation by adopting a comparator to
compensate for temperature on the control part.
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Low start-up circuit current (50uA max)
鈥?/div>
Built-in Active Low-Pass Filter for stabilizing the operation in case of light
load
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Avalanche energy guaranteed MOSFET with high VDSS
鈥?/div>
The built-in power MOSFET simplifies the surge absorption circuit
since the MOSFET guarantees the avalanche energy.
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No VDSS de-rating is required.
鈥?/div>
Built-in constant voltage drive circuit
鈥?/div>
Various kinds of protection functions
鈥?/div>
Pulse-by-pulse Overcurrent Protection (OCP)
鈥?/div>
Overvoltage Protection with latch mode (OVP)
鈥?/div>
Thermal Shutdown with latch mode (TSD)
INTEGRATED SWITCHER
Package Outline
8 Lead PDIP
Key Specifications
Type
IRIS-A6331
MOSFET
VDSS(V)
500
RDS(ON)
MAX
3.95
惟
ACinput(V)
100/120
鹵
15%
Pout(W)
Note 1
10
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.
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 鈥淧ulse Ratio Control鈥?(On-width control with fixed OFF-time).
Typical Connection Diagram
IRIS-A6331
1
2
3
4
8
7
6
5
www.irf.com
1

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