AN8090, AN8090S
Overvoltage Protective Circuits Built-in
Switching Power Supply
AN8090
16
2
15
3
14
4
13
5
12
6
11
7
10
19.2±0.3
8
9
6.2±0.3
1.1±0.25
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• 500 kHz PWM control frequency and miniaturized
• Capable of directly driving the large-capacity MOS FET
• Provided with 2-channel overcurrent protective function for
positive side and negative side, and intermittent operating
function as protection when an over-current state advanced
further
• Provided with over-voltage protective and over-heat protective functions
• Provided with the ON/OFF function to start/stop operating
the power supply with external signals and the error amlifier
required for secondarry control
• 16-DIP package for the AN8090 and SONF-20D for the
AN8090S
3 to 15˚
5.2±0.25 3.05±0.25
+ 0.1 5
0.0
0.3 –
7.62±0.25
16-pin DIL Plastic Package (16-DIP (B)) (DIP016-P-0300D)
Remote
Ma
Latch
Thermal
Protection
12
5
6
15
16
13
12.63±0.3
1
1
2
2
3
3
VF
Output Cut OFF
– CLM
Latch
Duty Control
Meets to VF
4
12
Fin
2.5V
Output
Cut OFF
+CLM
Latch
Timer
OSC
11
+
CTL. Signal
DC
Triangular
PWM
Wave Osc.
Clock
Clock
11
–
Amp.
Convert.
Stop
10
9
7
I/V
Int.
Ref
Start
8
6
9
8
10
7
5
0.2 + 0.1
– 0.05
ue
ce
/D
isc
on
tin
int
en
16
5.5±0.3
7.6±0.3
20-pin PANAFLAT Plastic Package (SONF-20D) (SOP020-P-0300A)
VCC
20
an
s Block Diagram
(0.4)
0.9±0.25
20
19
18
17
16
15
14
13
12
11
0.1±0.1
1.27
0.4±0.25
1
2
3
4
5
6
7
8
9
10
Unit : mm
2.05±0.2
(0.4)
AN8090S
0.9±0.25
s Features
2.54
1
The AN8090 and the AN8090S enables high-speed control
up to 500 kHz and have various protective functions for overcurrent, overvoltage, and thermal protection in order to
improve reliability of the power supply.
M
Di ain
sc te
on na
tin nc
ue e/
d
s Overview
0.5±0.1
1.22±0.25
Unit : mm
19
4
14
18
15
17
14
13
GND
The number in square shape
is pin number of AN8090S
