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参数资料
| 型号： | MP8650DN-Z |
| 厂商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 19 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, QCC20 |
| 封装： | 3 X 4 MM, MO-220VGED, QFN-20 |
| 文件页数： | 4/8页 |
| 文件大小： | 233K |
| 代理商： | MP8650DN-Z |
MP8650 – 15A, 28V, HIGH FREQUENCY STEP-DOWN WITH SYNCHRONOUS GATE DRIVER
MP8650 Rev. 0.2
www.MonolithicPower.com
4
12/13/2007
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2007 MPS. All Rights Reserved.
PIN FUNCTIONS
Pin #
Name
Description
1
VCC
BG Driver Bias Supply. Decouple with a 1F ceramic capacitor.
2
SYNCOUT
Timing output to drive another MP8650 (or similar device) SYNCIN for phase-shift
operation.
3
SYNCIN
External Frequency Synchronization / Frequency Select Input. Connect to VCC for
400KHz or connect to ground for 800KHz.
4
EN
On/Off Control.
5
SS/TRK
Soft-Start/Track Input. Connect a capacitor to ground.
6
FB
Feedback. An external resistor divider from the output to GND, tapped to the FB pin,
sets the output voltage. To prevent current limit run away during a short circuit fault
condition the frequency foldback comparator lowers the oscillator frequency when the
FB voltage is below 400mV.
7
COMP
Compensation. Connect R/C network to ground.
8
PG
Power Good Indicator. The output of this pin is an open drain if the output voltage is
within 10% of the nominal voltage, otherwise it is LOW. Optional: If PG is initially at
open drain, there is a 20s delay to pull PG if the output voltage is less than 10%
regulation window.
9
BST
Bootstrap. This capacitor is needed to drive the power switch’s gate above the supply
voltage. It is connected between SW and BS pins to form a floating supply across the
power switch driver.
10, 18,
Exposed Pad
VIN
Supply Voltage. The MP8650 operates from a +4.5V to +28V unregulated input. C1 is
needed to prevent large voltage spikes from appearing at the input.
11-17
SW
Switch Output. These pins are fused together.
19
GATE
Gate Driver Output. Connect this pin to the synchronous MOSFET.
20
GND
Ground.
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相关代理商/技术参数 |
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| MP8666DN-LF | 功能描述:开关变换器、稳压器与控制器 6A, 600kHz Step-Down w/Sync Gate Driver 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 |
| MP8666DN-LF-Z | 功能描述:开关变换器、稳压器与控制器 6A, 600kHz Step-Down w/Sync Gate Driver 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 |
| MP8668DL-LF-P | 功能描述:开关变换器、稳压器与控制器 8A, 16V, Step-Down w/LS Gate Drive 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 |
| MP8668DL-LF-Z | 功能描述:开关变换器、稳压器与控制器 8A, 16V, Step-Down w/LS Gate Drive 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 |
| MP8670DN-LF | 功能描述:开关变换器、稳压器与控制器 6A, 30V, 420kHz Sync Step-Dwn w/Gate Drvr 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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