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參數(shù)資料
| 型號(hào)： | EV2351DQ-00A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.5A, 23V, 1.4MHz Step-Down Converter |
| 中文描述： | 1.5A的，為23V，1.4MHz的降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 193K |
| 代理商： | EV2351DQ-00A |
The Future of Analog IC Technology
MP2351
1.5A, 23V, 1.4MHz
Step-Down Converter
MP2351 Rev. 1.5
1/6/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
TM
DESCRIPTION
The MP2351 is a monolithic step down switch
mode converter with a built in internal power
MOSFET. It achieves 1.5A continuous output
current over a wide input supply range with
excellent load and line regulation.
Current mode operation provides fast transient
response and eases loop stabilization.
Fault condition protection includes cycle-by-cycle
current limiting, short circuit frequency foldback
and thermal shutdown. In shutdown mode the
regulator draws 20μA of supply current.
The MP2351 requires a minimum number of
readily available standard external components.
EVALUATION BOARD REFERENCE
Board Number
EV2351DQ-00A
Dimensions
2.3”X x 1.5”Y x 0.5”Z
FEATURES
1.5A Output Current
0.18
Internal Power MOSFET Switch
Stable with Low ESR Output Ceramic
Capacitors
Up to 93% Efficiency
20μA Shutdown Mode
Fixed 1.4MHz Frequency
Thermal Shutdown
Cycle-by-Cycle Over Current Protection
Wide 4.75V to 23V Operating Input Range
Output Adjustable from 1.23V to 16V
Programmable Under Voltage Lockout
Frequency Synchronization Input
Available in QFN (3mm x 3mm) and tiny
10-Pin MSOP Packages
Evaluation Board Available
APPLICATIONS
Distributed Power Systems
Battery Charger
DSL Modems
Pre-Regulator for Linear Regulators
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
MP2351
SW
IN
BS
4
2
5
7
8
6
10
9
FB
SYNC
COMP
GND
EN
V
OUT
3.3V/1.5A
INPUT
4.75V - 23V
OPEN
NOT USED
OPEN
AUTOMATIC
STARTUP
MP2351_TAC_S01
C5
10nF
C3
1nF
C6
OPEN
D1
B220A
V
OUT
=5V
V
OUT
=2.5V
V
OUT
=3.3V
100
90
80
70
60
50
40
E
0
1500
300
LOAD CURRENT (mA)
600
900
1200
MP2351-EC01
Efficiency vs
Load Current
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EV2354DS-00A | 2A, 23V, 380KHz Step-Down Converter |
| EV2355DN-00A | 3A, 23V, 380KHz Step-Down Converter |
| EV2358DQ-00A | 2A, 23V, 370KHz Step-Down Converter |
| EV2358DS-00A | 2A, 23V, 370KHz Step-Down Converter |
| EV2359DJ-00B | 1.2A, 24V, 1.4MHz Step-Down Converter in a TSOT23-6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EV2354DS-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 23V, 380KHz Step-Down Converter |
| EV2355DN-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:3A, 23V, 380KHz Step-Down Converter |
| EV2358DQ-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 23V, 370KHz Step-Down Converter Evaluation Board |
| EV2358DS-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 23V, 370KHz Step-Down Converter |
| EV2359DJ-00B | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.2A, 24V, 1.4MHz Step-Down Converter in a TSOT23-6 |
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