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Panasonic Electronic Components Datasheet

AN8091 Datasheet

Overvoltage Protective Circuit Incorporated Switching Power Supply

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AN8091, AN8091S
Overvoltage Protective Circuit Incorporated Switching Power Supply
s Overview
The AN8091 and AN8091S are equipped with various pro-
tection functions such as from overcurrent and overvoltage,
which can raise the reliability of the power supply, realizing the
high-speed control up to 500kHz.
s Features
The PWM control frequency of up to 500kHz and miniatur-
ization realized.
The power MOS FET of large capacitance directly control-
lable
Built-in overcurrent protective function for two systems of
positive side detection and negative one, and intermittent
operation function for protection when overcurrent condition
proceeds further
ON/OFF function allowing the power supply to be started or
stopped by the external signal, and current control function
required for the secondary side control incorporated
Package : 16-lead DIP for the AN8091, 20-lead SOP for the
AN8091S
Overvoltage protection circuit built-in
AN8091
Unit : mm
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
6.2±0.3
1.1±0.25
5.2±0.25 3.05±0.25
3—15˚ 7.62±0.25
0.30+–00.1.05
AN8091S
DIP016-P-0300D
Unit : mm
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
(0.4)
5.5±0.3
7.6±0.3
SOP020-P-0300C


Panasonic Electronic Components Datasheet

AN8091 Datasheet

Overvoltage Protective Circuit Incorporated Switching Power Supply

No Preview Available !

s Block Diagram
VIN
PC.
20 VCC
16
ON/
OFF 7
PC. PC.
5 Remote
IIN
8
10
NC
9
7
8
6
OVP
CF 12
10
TON 9 11
TOFF
11
13
5
Latch
Output Cut off
DC
Triangular
Wave OSC
CLK
Control Signal
PWM
Clock
Timer
+CLM
Latch
OSC
VF
Voltage Control
Meet to VF
Terminal Voltage
12
–CLM
Latch
4 19 18
4 15 14
6 15 16
CT 14 VF
CLM+ CLM–
17
13
GND
1
1
VC
2
2
To switching
Device
VOUT
3 VOUT–COM
3
Fin
Number in is Pin No. for AN8091S.
s Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Rating
Supply voltage
VCC 31
Collector terminal allowable applied voltage
Maximum continuous output current
VC
IOmax
31
±150
TON terminal allowable applied voltage
ITON
–1
TOFF terminal allowable applied voltage
ITOFF
–1
Power dissipation Ta <= 25˚C
AN8091
PD
AN8091S
Allowable joint temperature
Operating ambient temperature
Storage temperature
Tj
Topr
Tstg
150
–30 to +85
–55 to +150
Note) For surface mounting on the glass epoxy board (50 × 50 × 0.45mm)
1736
1500
s Recommended Operating Range (Ta=25˚C)
Parameter
Symbol
Operating supply voltage
VCC
Range
Stop voltage to 30V
Unit
V
V
mA
mA
mA
mW
˚C
˚C
˚C


Part Number AN8091
Description Overvoltage Protective Circuit Incorporated Switching Power Supply
Maker Panasonic Semiconductor
PDF Download

AN8091 Datasheet PDF






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