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參數(shù)資料
| 型號： | 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)： | 1/22頁 |
| 文件大?。?/td> | 179K |
| 代理商： | AN8038S |
Voltage Regulators
AN8038, AN8038S
AC-DC switching power supply control IC
with RCC local resonance circuit for
improved conformance with
energy conservation laws
1
I
Overview
The AN8038 and AN8038S are self-excited AC-DC
switching power supply control IC that adopt RCC local
resonance control. These ICs are designed to achieve high
efficiency over a wide range of loads (light loads at the
standby mode to heavy loads) for improved conformance
with energy conservation laws, and support input levels
used worldwide. They are particularly appropriate for use
in AV and OA equipments.
I
Features
Supports improved conformance with energy conser-
vation laws by providing two operating modes.
With external resistors, it is possible to set the operating
point at which the modes change over according to the
load power, as shown below.
1.Continuous (RCC) mode
High efficiency achieved with local resonance opera-
tion (zero cross detection).
2.Discontinuous mode (standby) mode
Reduced switching loss and standby power due to re-
duced frequency
Input voltage correction function. This function corrects
the maximum on-period in a manner inversely propor-
tional to the input voltage.
Built-in overvoltage protection function (detects at V
CC
pin)
Pulse-by-pulse overcurrent protection function (single detection per one cycle)
Packages: 8-pin DIP ··· AN8038
8-pin SOP··· AN8038S
I
Applications
Facsimiles and other OA equipment
Printers and other personal computer peripheral equipment
AV equipment
DIP008-P-0300B
AN8038
Unit: mm
SOP008-P-0225C
AN8038S
Unit: mm
1
2
3
4
8
7
6
5
9
2
6.3±0.3
3.8±0.25
0.15
–0.05
(3.45)
0.51 min.
1
0
7.62±0.25
3
°
to 15
°
0.50±0.20
0
°
to10
°
0
(1.05)
5.01±0.20
4
6
Seating plane
1
1
0.40
+0.10
0.10
1.27
(0.60)
4
1
5
8
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