参数资料
型号: MCP1631-E/ST
厂商: Microchip Technology
文件页数: 4/32页
文件大小: 0K
描述: IC REG CTRLR ISO PWM CM 20-TSSOP
标准包装: 74
PWM 型: 电流模式
输出数: 1
频率 - 最大: 2MHz
占空比: 10%
电源电压: 3 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
包装: 管件
产品目录页面: 668 (CN2011-ZH PDF)
MCP1631/HV/MCP1631V/VHV
Functional Block Diagram (1)
MCP1631HV/VHV High Speed PIC PWM
V IN
+3.3V or +5.0V
LDO
250 mA
V DD
Internal Regulator for MCP1631HV and MCP1631VHV
Options Only; For MCP1631 and MCP1631V AV DD_IN is input
Internal
1.2V V REF
V DD
A VDD_OUT / A VDD_IN
-
Overvoltage Comp
w/ Hysteresis
SHDN
Shutdown Control
A3 Remains On
C2
+
OV IN
V DD
OSC DIS
100 k Ω
P VDD
OSC IN
0.1 μA
UVLO
OT
V EXT
V DD
S
Q
P GND
CS/VR AMP
COMP
V DD
+
C1
-
R
Q
10R
V DD
100 k Ω
R
IS IN
V DD
A2
R
FB
V REF
-
A1
+
A GND
2R
2.7V Clamp
R
Remove for MCP1631V
and MCP1631VHV Options
V DD
IS OUT
VS IN
A3
Note 1: For Shutdown control, amplifier A3 remains functional so
battery voltage can be sensed during discharge phase.
2: For HV options, internal Low Drop Out Regulator provides
+3.3V or +5.0V bias to V DD .
DS22063A-page 4
VS OUT
? 2007 Microchip Technology Inc.
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MCP1631HV-330E/ST 功能描述:开关变换器、稳压器与控制器 Hi Vltg Integ HS PWM I Mode RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
MCP1631HV-500E/ML 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator