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參數(shù)資料
| 型號(hào)： | AN8038S |
| 廠商： | PANASONIC CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | AC-DC switching power supply control IC with RCC local resonance circuit for improved conformance with energy conservation laws |
| 中文描述： | 2 A SWITCHING CONTROLLER, PDSO8 |
| 封裝： | 0.225 INCH, PLASTIC, SOP-8 |
| 文件頁數(shù)： | 7/22頁 |
| 文件大?。?/td> | 179K |
| 代理商： | AN8038S |
Voltage Regulators
AN8038, AN8038S
7
I
Usage Notes
The circuit current during startup is set to a low level to minimize power loss due to the startup resistor. However,
V
CC
ripple caused by the power transistor switching on and off may result in incorrect operation of the U.V.L.O. circuit
and failure to start.
The figure shows the allowable range for V
CC
ripple. Insert a capacitor near the IC's V
CC
and GND pins to reduce
V
CC
ripple so that it remains within the allowable range.
I
Terminal Equivalent Circuits (continued)
Pin No.
Equivalent Circuit
Description
I/O
7
V
OUT
:
Output used to directly drive a power MOSFET.
A totem pole structure is adopted in this output
circuit.
The absolute maximum ratings for the output
current are:
Peak:
+
2 A,
1 A
DC:
+
200 mA,
100 mA
I
8
V
CC
:
Power supply.
This pin monitors supply voltage and has the
threshold for the start, stop, OVP, and OVP
reset levels.
V
CC
7
V
OUT
8
V
CC
2.5
2
3
1.5
1
0.5
0.6
0
10
70 100
V
CC
ripple frequency (kHz)
300
1 000
10 000
V
C
(
Allowable V
CC
ripple range
Recommended
operating range
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