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| 型号： | MCP1601T-I/MS |
| 厂商： | Microchip Technology |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 0.5A 8MSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.9 V ~ 5.5 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 750kHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-MSOP |
| 配用： | MCP1601EV-ND - BOARD EVALUATION FOR MCP1601 |
MCP1601
3.0
PIN FUNCTIONS
3.5
Oscillator Synchronization or
PWM/ PFM Select Mode Input
TABLE 3-1:
PIN FUNCTION TABLE
(SYNC/PWM)
Pin
1
2
3
4
5
6
Name
V IN
SHDN
FB
A GND
SYNC/
PWM
V OUT
Function
Input Voltage
Shutdown Input
Feedback Input
Analog Ground Return
Oscillator Synchronization or
PWM/ PFM Select Mode Input
Sensed Output Voltage Input
Connect an external oscillator to SYNC/PWM to syn-
chronize. With an external oscillator present, the device
is forced into a PWM-only mode of operation. For inter-
nal oscillator operation, the SYNC/PWM pin is tied high
to operate in a forced PWM-only mode and low for a
PWM/PFM mode of operation.
3.6 Output Voltage Sense (V OUT )
Connect the output voltage directly to V OUT for sensing.
7
P GND
Power Ground Return
3.7
Power Ground Return (P GND )
8
L X
BUCK Inductor Output
Connect all large signal ground returns to P GND . (See
3.1
Input Voltage (V IN )
Connect the unregulated input voltage source to V IN . If
3.8
BUCK Inductor Connection (L X )
the input voltage source is located more than several
inches away, or is a battery, a typical input capacitor of
10 μF is recommended.
Connect L X directly to the BUCK inductor. This pin car-
ries large signal-level currents and all connections
should be as short and wide as possible. (See
3.2
Shutdown Input (SHDN)
Connect SHDN to a logic low input to force the device
into a shutdown low quiescent current mode. When in
shutdown, both the P-Channel and N-Channel
switches are turned off, in addition to the internal oscil-
lator and other circuitry. When connected to a logic high
input, the device will operate in the selected mode.
3.3
Feedback Input (FB)
Connect FB to an external resistor divider to set output
voltage regulation. The feedback pin is typically equal
to 0.8V. See Section 5.0, “ Applications Information ” , for
details in selecting feedback resistors.
3.4
Analog Ground Return (A GND )
Tie all small signal ground returns to A GND . (See
? 2003 Microchip Technology Inc.
DS21762A-page 9
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| MCP1602 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:2.0 MHz, 500 mA Synchronous Buck Regulator with Power-Good |
| MCP1602-080I/MF | 功能描述:开关变换器、稳压器与控制器 20MHz 05A Synch-Buck PFM/PWM Reg 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 |
| MCP1602-080I/MS | 功能描述:开关变换器、稳压器与控制器 20MHz 05A Synch-Buck PFM/PWM Reg 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 |
| MCP1602-120I/MF | 功能描述:开关变换器、稳压器与控制器 20MHz 05A Synch-Buck PFM/PWM Reg 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 |
| MCP1602-120I/MS | 功能描述:开关变换器、稳压器与控制器 20MHz 05A Synch-Buck PFM/PWM Reg 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 |
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