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International Rectifier Electronic Components Datasheet

A6159 Datasheet

IRIS-A6159

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Data Sheet No. PD 96934A
IRIS-A6159
Features
Small sized 8-pin DIP type full molded package, optimum IC for low-
height SMPS
Off-timer circuit is provided on the monolithic control IC
Low start-up circuit current (10uA typ)
Low circuit current at operation (1.5mA typ)
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 Start-up circuit (the power loss in the start-up circuit is
reduced by cutting off the start-up circuit after the IC starts its
operation.)
Auto Burst Stand-by (realizing input power<0.1W at no load)
Auto Bias Function (stable burst operation without the interference on
transformer)
Two operational modes by auto switching functions
INTEGRATED SWITCHER
Package Outline
For normal operation: PRC mode
For stand-by operation (at light load): Burst mode
Built-in Leading Edge Blanking Function
Built-in constant voltage drive circuit
Various kinds of protection functions
Pulse-by-pulse Overcurrent Protection (OCP)
Overload Protection with auto recovery (OLP)
Overvoltage Protection with latch mode (OVP)
Thermal Shutdown with latch mode (TSD)
Descriptions
8 Lead PDIP
Key Specifications
MOSFET RDS(ON)
Type
VDSS(V)
MAX
IRIS-A6159
650
6
ACinput(V)
230±15%
85 to 264
Pout(W)
Note 1
7
5
IRIS-A6159 is a hybrid IC consisting of a 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 component count and simplifying the circuit design.
Note: PRC is abbreviation for “Pulse Ratio Control” (On-width control with fixed OFF-time).
Typical Connection Diagram
8 76
5
D D NC Startup
IRIS-A6159
OCP Vcc GND FB
12
34
Note 1: The pout (W) represents the thermal rating at PRC Operation. The peak power output is obtained by
approximating 120 to 140% of the above listed value. When the output voltage is low and ON-duty is narrow, the
Pout (W) shall become lower than that of above value.
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International Rectifier Electronic Components Datasheet

A6159 Datasheet

IRIS-A6159

No Preview Available !

IRIS-A6159
Absolute Maximum Ratings (Ta=25)
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are
absolute voltages referenced to terminals stated, all currents are defined positive into any lead. The thermal resistance and power
dissipation ratings are measured under board mounted and still air conditions.
Symbol
Definition
IDpeak Drain Current
*1
IDMAX Maximum switching current
Terminals Max. Ratings
8-3 1.8
8-3 1.8
EAS Single pulse avalanche energy *2
8-3
24
VOCP O.C.P. pin Voltage
1-3 -0.5~6
VCC Input voltage for control part
2-3 35
VFB/OLP F.B/O.L.P pin voltage
4-3 -0.5~10
Vstartup Startup pin voltage
5-3 -0.3~600
PD1 Power dissipation for MOSFET *3 8-3
1.35
Power dissipation for control part
PD2
(Control IC) *4
2-3 0.15
Internal frame temperature
TF in operation
- -20 ~ +125
Top Operating ambient temperature
- -20 ~ +125
Tstg Storage temperature
- -40 ~ +125
Tch Channel temperature
- 150
Units
A
A
mJ
V
V
V
V
W
W
Note
Single Pulse
V1-3=0.86V
Ta=-20~+125
Single Pulse
VDD=99V,L=20mH
IL=1.8A
*5
Specified by
Vcc×ICC
Refer to recommended
operating temperature
*1 Refer to MOSFET A.S.O curve
*2 Refer to MOSFET Tch-EAS curve
*3 Refer to MOSFET Ta-PD1 curve
*4 Refer to TF-PD2 curve for Control IC
*5 When embedding this hybrid IC onto the printed circuit board (board size 15mm×15mm)
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Part Number A6159
Description IRIS-A6159
Maker International Rectifier
Total Page 7 Pages
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