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参数资料
| 型号： | MP28275EL |
| 厂商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | 3 X 4 MM, MO-229VGED-3, QFN-14 |
| 文件页数： | 5/14页 |
| 文件大小： | 372K |
| 代理商： | MP28275EL |
MP28275 – 5A, 7V, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS
MP28275 Rev. 0.91
www.MonolithicPower.com
13
12/2/2009
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2009 MPS. All Rights Reserved.
External Bootstrap Diode
An external bootstrap diode may enhance the
efficiency of the regulator, the applicable
conditions of external BST diode is:
Duty cycle is high: D=
IN
OUT
V
>65%
In this case, an external BST diode is
recommended from the VCC pin to BST pin, as
shown in Figure 8
SW
BST
MP28275
C
L
BST
COUT
External BST Diode
VCC
IN4148
Figure 8—Add Optional External Bootstrap
Diode to Enhance Efficiency
The recommended external BST diode is
IN4148, and the BST cap is 0.1~1F.
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相关代理商/技术参数 |
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| MP28275EL-LF-P | 功能描述:开关变换器、稳压器与控制器 5A, 5V, 1.1MHz Sync Buck w/ PG 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 |
| MP28275EL-LF-Z | 功能描述:开关变换器、稳压器与控制器 5A, 5V, 1.1MHz Sync Buck w/ PG 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 |
| MP28315CN-LF | 制造商:Monolithic Power Systems 功能描述:3A, 16V, 340KHZ SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER - Rail/Tube |
| MP28315CN-LF-Z | 制造商:Monolithic Power Systems 功能描述:3A, 16V, 340KHZ SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER - Tape and Reel |
| MP28317DS-LF-Z | 制造商:Monolithic Power Systems 功能描述:- Tape and Reel |
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