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参数资料
| 型号： | MM1548N |
| 厂商： | MITSUMI ELECTRIC CO LTD |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | SOT-26, 6 PIN |
| 文件页数： | 5/12页 |
| 文件大小： | 128K |
| 代理商： | MM1548N |
MITSUMI
Secondary Control for Energy-Saving AC Adaptor MM1548
MITSUMI
Block Diagram
GND
5
CS
6
PO1
4
VCC
3
CNT
2
OUT
1
COUT
ROS1
ROS2
RCS
Constant current detection resistor
(CS=34mV)
Reference voltage decrease (drop)
Constant current control
(CS=114.4mV)
Constant voltage control
(VCC=5.1V)
Load detection(voltage)
(VCC=3.5V)
Over voltage
detection
(7V)
5k
Load detection(current)
(115mV 200mV)
Input/output difference control
(VCC-OUT=200mV)
Voltage buffer
Photocoupler-turn-off
Primary-side switching
control
RLS
Load detection resistor
RLB
VCC
1.25V
Reference voltage
PC1
RL1
transformer
secondary
side
VCC=4.6V
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