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参数资料
| 型号： | MCP1631-E/ST |
| 厂商： | Microchip Technology |
| 文件页数： | 16/32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： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 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) |
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MCP1631/HV/MCP1631V/VHV
3.9
Input Voltage (V IN )
3.16
Error Amplifier Output (COMP)
High voltage input for MCP1631HV/MCP1631VHV
devices, operates from 3.5V to 16V input supply.
Error amplifier (A1) output, connect control loop com-
pensation from FB input to COMP output pin.
3.10
Analog supply Input (A VDD_IN )
3.17
Feedback (FB)
Analog bias input, minimum 3.0V to 5.5V operation for
MCP1631/MCP1631V devices.
3.11 Analog Supply Output (A VDD_OUT )
Regulated V DD output used to power internal
MCP1631HV/MCP1631VHV and external microcon-
troller, supplies up to 250 ma of bias current at 3.3V or
5.0V regulated low drop out rail.
Error amplifier input (A1), connect to current sense
output amplifier (A2) to regulate current.
3.18 Current Sense or Voltage Ramp
(CS/V RAMP )
For MCP1631/MCP1631HV applications, connect to
low side current sense of SEPIC switch for current
mode control and peak current limit. For MCP1631/
3.12
Voltage Sense Input (VS IN )
MCP1631HV application, connect artificial ramp volt-
age to V RAMP input for voltage mode PWM control.
Voltage sense amplifier (A3) input, connect to high
impedance battery voltage resistor divider to sense
battery voltage with minimal loading.
3.13 Current Sense Input (IS IN )
Connect to SEPIC secondary side sense resistor to
develop a regulated current source used to charge
multi-chemistry batteries.
3.19 Power VDD (P VDD )
Power V DD input, V EXT gate drive supply input, connect
to +5.0V or +3.3V supply for driving external MOSFET.
3.20 External Driver (V EXT )
High current driver output used to drive external
MOSFET at high frequency, capable of 1A peak
currents with +5.0V P VDD .
3.14
Voltage Sense Output (VS OUT )
3.21
Exposed PAD 4x4 QFN (EP)
Voltage sense amplifier output, connect to microcon-
troller analog to digital converter to measure battery
voltage.
Connect center thermal tab to A GND .
3.15
Current Sense Output (IS OUT )
Current sense amplifier output, connect to error
amplifier (A1) inverting input (FB) to regulate SEPIC
output current.
DS22063A-page 16
? 2007 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1631HV | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator |
| MCP1631HV-330E/ML | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator |
| MCP1631HV-330E/SS | 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-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 |
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