MCP1650 Microchip Technology, MCP1650 Datasheet - Page 2

• Manufacturer Part Number: MCP1650
• Description: MCP1650/51/52/53 is a 750 kHz gated oscillator boost controller packaged in an 8 or 10-pin MSOP package. Developed for high-power, ...
• Manufacturer: Microchip Technology

MCP1650 结构框图
DS21876A_CN 第 2 页
SHDN
FB
V
IN
电压反馈
V
DC = 80% V
DC = 56% V
1.22V
V
HIGH
（2 种固定的占空比）
REF
通 / 断
V
控制
+
-
IN
内置振荡器
V
REF
+
-
IN
IN
< 3.8V
> 3.8V
V
LOW
V
MCP1650
V
V
V
HIGH
DUTY
HIGH
LOW
Osc.
振荡器输出
参考信号
R
S
OFF
ON/
ISNS
脉冲
锁存
器
1.22V
+
Q
-
启动
软
电流限制
1R
9R
DR
0.122V
+
-
-
+
V
 2004 Microchip Technology Inc.
IN
GND
EXT
CS