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参数资料
| 型号： | MIC2164YMM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 2/39页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 10-MSOP |
| 产品培训模块： | MIC2124 Synchronous Current Mode DC-DC Buck Controller |
| 标准包装： | 2,500 |
| 系列： | Hyper Speed Control™ |
| PWM 型： | 混合物 |
| 输出数： | 1 |
| 频率 - 最大： | 375kHz |
| 占空比： | 87% |
| 电源电压： | 3 V ~ 28 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： | 带卷 (TR) |
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Micrel, Inc.
Ordering Information
MIC2164/-2/-3/C
Part Number
MIC2164YMM
MIC2164-2YMM
MIC2164-3YMM
MIC2164CYMM
Voltage
Adjustable
Adjustable
Adjustable
Adjustable
Switching
Frequency
300kHz
600kHz
1MHz
270kHz
Accuracy
±1%
±1%
±1%
±3%
Junction Temperature Range
–40° to +125°C
–40° to +125°C
–40° to +125°C
–40° to +125°C
Package
10-pin MSOP
10-pin MSOP
10-pin MSOP
10-pin MSOP
Lead Finish
Pb-Free
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
IN
DL
PGND
DH
Pin Function
High-Side N-MOSFET Drain Connection (input): Power to the drain of the external high-side N-channel
MOSFET. The HSD operating voltage range is from 3V to 28V. Input capacitors between HSD and the
power ground (PGND) are required.
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, supply current of the device is greatly reduced (typically
0.8mA).
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 input voltage V IN and the control circuitry. The loop
for the signal ground should be separate from the power ground (PGND) loop.
Input Voltage (input): Power to the internal reference and control sections of the MIC2164/-2/-3. The IN
operating voltage range is from 3V to 5.5V. A 1μF and 0.1μF ceramic capacitors from IN to GND are
recommended for clean operation.
Low-Side Drive (output): High-current driver output for external low-side MOSFET. The DL driving
voltage swings from ground-to-IN.
Power Ground. PGND is the ground path for the MIC2164/-2/-3 buck converter power stage. The PGND
pin connects to the sources of low-side N-Channel 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 (LX). It swings from ground to V IN minus the diode drop.
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.
September 2010
2
M9999-091310-D
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相关代理商/技术参数 |
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| MIC2165 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Adaptive On-Time DC-DC Controller Featuring Hyper Light Load |
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| MIC2165YMME | 功能描述:DC/DC 开关控制器 DC-DC Controller with PG, Internal LDO & HLL 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 |
| MIC2165YMME TR | 功能描述:DC/DC 开关控制器 DC-DC Controller with PG, Internal LDO & HLL 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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