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PDF F6456S Data sheet ( Hoja de datos )
| Número de pieza | F6456S | |
| Descripción | Integrated Switcher | |
| Fabricantes | International Rectifier | |
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Data Sheet No. PD 96942A
IRIS-F6456S
Features
• Oscillator is provided on the monolithic control with adopting On-Chip-
Trimming technology.
INTEGRATED SWITCHER
Package Outline
• 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)
Descriptions
TO-247 Fullpack (5 Lead)
Key Specifications
Type
MOSFET
VDSS(V)
RDS(ON)
MAX
AC input(V)
Pout(W)
Note 1
230±15%
300
IRIS-F6456S
650
0.71Ω
85 to 264
150
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.
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
IRIS-F6400
GND
Vin
D
S
OCP/FB
www.irf.com
1 page  
IRIS-F6456S
IRIS-F6456S
MOSFET Ta-PD1 Curve
70
PD1=58[W]
60
50
With infinite
heatsink
40
30
20
10
PD1=2.8[W]
Without
heatsink
0
0 20 40 60 80 100 120 140 160
Ambient temperature Ta[℃]
IRIS-F6456S
MIC TF-PD2 Curve
0.6
PD2=0.49[W]
0.5
0.4
0.3
0.2
0.1
0
0 20 40 60 80 100 120 140 160
Internal frame temperature TF[℃]
10
1
0.1
0.01
0.001
1µ
IRIS-F6456S
Transient thermal resistance curve
10µ 100µ
1m
tim e t [sec]
10m 100m
www.irf.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet F6456S.PDF ] | |
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