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參數(shù)資料
| 型號(hào)： | AN8022SB |
| 廠商： | PANASONIC CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | AC-DC switching power supply control IC |
| 中文描述： | 1 A SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.225 INCH, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 119K |
| 代理商： | AN8022SB |
Voltage Regulators
AN8022L, AN8022SB
5
I
Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
I/O
6
V
OUT
:
The terminal for directly driving a power
MOSFET.
O
(2)
7
V
CC
, (PV
CC
), (SV
CC
):
Supply voltage terminal.
It monitors the supply voltage and has operating
threshold value for start/stop/OVP reset.
(3)(4)
8
TIM/OVP:
The terminal with double functions such as OVP
(overcurrent protection) and timer latch terminal.
[OVP]
When it receives the overvoltage signal of the
power supply output and high is input to the
terminal, internal circuit is turned off. At the same
time, this condition (latch) is held. To reset the
OVP latch, it is necessary to reduce V
CC
under the
release voltage.
[Timer latch]
The output voltage drop due to the overcurrent
condition of power supply output is detected
through the current level of IFB-input. When I
FB
becomes less than a current of a certain value,
charge current flows into the capacitor connected
to this terminal. When the capacitor is charged to
the threshold voltage of OVP, OVP
starts to operate and the IC stays stop.
I
(5)
9
IFB:
The terminal into which the current feedback sig-
nal is input from the photocoupler of the power
supply output.
I
(6)
(2)
PV
CC
6
6 V
500
(5)
Comp.
SV
CC
5
μ
A
8
Note) The number in ( ) shows the pin number for the AN8022SB.
I/V
conversion
500
(6)
V
REF
9
PWM
comp.
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