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参数资料
| 型号： | MIC2176-2YMM |
| 厂商： | Micrel Inc |
| 文件页数： | 2/31页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 10-MSOP |
| 标准包装： | 100 |
| 系列： | Hyper Speed Control™ |
| PWM 型： | 混合物 |
| 输出数： | 1 |
| 频率 - 最大： | 250kHz |
| 占空比： | 93% |
| 电源电压： | 4.5 V ~ 75 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： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 管件 |
| 其它名称： | 576-3757-5 |
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Micrel, Inc.
Ordering Information
MIC2176
Part Number
MIC2176-1YMM
MIC2176-2YMM
MIC2176-3YMM
Output
Voltage
Adjustable
Adjustable
Adjustable
Switching Frequency
100kHz
200kHz
300kHz
Junction Temperature Range
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
Package
10-pin MSOP
10-pin MSOP
10-pin MSOP
Lead Finish
Pb-Free
Pb-Free
Pb-Free
Pin Configuration
10-Pin MSOP (MM)
Pin Description
Pin
Number
1
2
3
4
5
6
7
8
Pin Name
HSD
EN
FB
GND
VDD
DL
PGND
DH
Pin Function
High-Side MOSFET Drain Connection (Input): The HSD pin in the input of the adaptive On-time
control circuitry. A 0.1uF ceramic capacitor between the HSD pin and the power ground (PGND) is
required and must be place as close as possible to the IC.
Enable (Input): A logic level control of the output. The EN pin is CMOS compatible. Logic high or
floating = enable, logic low = shutdown. In the off state, the V DD supply current of the device is
reduced (typically 0.7mA). Do not connect the EN pin to the HSD pin.
Feedback (Input): Input to the transconductance amplifier of the control loop. The FB pin is regulated
to 0.8V. A resistor divider connecting the feedback to the output is used to adjust the desired output
voltage.
Signal ground. GND is the ground path for the device bias voltage V DD and the control circuitry. The
loop for the signal ground should be separate from the power ground (PGND) loop.
V DD Bias (Input): Power to the internal reference and control sections of the MIC2176. The V DD
operating voltage range is from 4.5V to 5.5V. A 1μF ceramic capacitor from the VDD pin to the PGND
pin must be placed next to the IC.
Low-Side Drive (output): High-current driver output for external low-side MOSFET. The DL driving
voltage swings from ground to V DD .
Power Ground. PGND is the ground path for the buck converter power stage. The PGND pin
connects to the sources of low-side N-Channel external MOSFETs, the negative terminals of input
capacitors, and the negative terminals of output capacitors. The loop for the power ground should be
as small as possible and separate from the Signal ground (GND) loop.
High-Side Drive (output): High-current driver output for external high-side MOSFET. The DH driving
voltage is floating on the switch node voltage (V SW ). Adding a small resistor between DH pin and the
gate of the high-side N-channel MOSFETs can slow down the turn-on and turn-off time of the
MOSFETs.
November 2010
2
M9999-111710-A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC2176-2YMM 5A EV | 功能描述:电源管理IC开发工具 76V Synchronous Buck Controller - Evaluation Board RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MIC2176-2YMM TR | 功能描述:DC/DC 开关控制器 76V Synchronous Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MIC2176-3 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Wide Input Voltage, Synchronous Buck Controllers Featuring Adaptive On-Time Control |
| MIC2176-3YMM | 功能描述:DC/DC 开关控制器 76V Synchronous Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MIC2176-3YMM TR | 功能描述:DC/DC 开关控制器 76V Synchronous Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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