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| 型号： | MCP16322T-ADJE/NG |
| 厂商： | Microchip Technology |
| 文件页数： | 14/34页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 2A 16-VQFN |
| 标准包装： | 1 |
| 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 V |
| 输入电压： | 6 V ~ 24 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VFQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 16-QFN（3x3） |
| 其它名称： | MCP16322T-ADJE/NGDKR |
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MCP16321/2
3.6
Enable Pin (EN)
The EN input pin is a logic-level input used to enable or
disable the device. A logic high (> 2.2V) will enable the
regulator output, while a logic low (< 0.8V) will ensure
that the regulator is disabled. This pin is internally
pulled up to an internal reference and will be enabled
when V IN > UVLO, unless the EN pin is pulled low. The
maximum input voltage applied to the EN pin should
not exceed 6V.
3.7
BOOST Pin (BOOST)
This pin will provide the bootstrap voltage required for
driving the upper internal NMOS switch of the buck
regulator. An external ceramic capacitor placed
between the BOOST input pin and the SW pin will
provide the necessary drive voltage for the upper
switch. During steady state operation, the capacitor is
recharged on every low-side, synchronous switching
cycle. If the Switch mode approaches 100% duty cycle
for the high-side MOSFET, the device will automatically
reduce the duty cycle switch to a minimum off time of
240 ns on every 8 th cycle to recharge the boost
capacitor.
3.8
Power Ground Pin (P GND )
This is a separate ground connection used for the low-
side synchronous switch to isolate switching noise from
the rest of the device.
3.9
Exposed Thermal Pad (EP)
There is no internal electrical connection between the
Exposed Thermal Pad (EP) and the P GND and S GND
pins. The EP must be connected to GND on the Printed
Circuit Board (PCB).
DS22285A-page 14
? 2011 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP16323 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:This chapter contains general information that will be useful to know before using the MCP16323 Evaluation Board. Items discussed in this chapter include: |
| MCP16323T-150E/MG | 制造商:Microchip Technology Inc 功能描述:3A SYNCHROUNS BUCK SWITCHER, 18VIN - Tape and Reel |
| MCP16323T-150E/NG | 功能描述:开关变换器、稳压器与控制器 3A Synchrouns Buck 1.5V Switcher, 18Vin 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 |
| MCP16323T-180E/NG | 功能描述:开关变换器、稳压器与控制器 3A Synchrouns Buck Switcher 18Vin 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 |
| MCP16323T-250E/MG | 制造商:Microchip Technology Inc 功能描述:3A SYNCHROUNS BUCK SWITCHER, 18VIN - Tape and Reel |
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