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參數資料
| 型號： | AMS4154S |
| 廠商： | Advanced Monolithic Systems, Inc. |
| 英文描述： | 2A OUTPUT PWM BUCK CONVERTER |
| 中文描述： | 甲變換器輸出 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 285K |
| 代理商： | AMS4154S |
Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
Advanced
AMS4154
Monolithic
2A OUTPUT PWM BUCK CONVERTER
Systems
FEATURES
Stable with low ESR Output Ceramic Capacitors
Up to 99% On time
2A Output Current
Wide Operating Input Voltage Range 5.5V to 32V
Fixed 330 kHz Frequency
Thermal Shutdown
Cycle-by-cycle Over Current Protection
Under Voltage Lockout
5V reference output
Adjustable output from 0.6V
GENERAL DESCRIPTION
The AMS4154 is a step-down converter for high voltage applications. Current mode operation provides easier compensation
and fast transient response. Internal cycle-by-cycle current limiting and thermal shutdown provides the necessary protection in
faults situation. A 5V reference voltage is available that can supply up to 2mA current.
ORDERING INFORMATION
RoHS compliant
APPLICATIONS
Battery Chargers
Portable (Notebook) Computers
Industrial power supply
Point of regulation for high performance electronics
Consumer Electronics
Audio Power Amplifiers
Distributed Power Systems
Pre-Regulator for Linear Regulators
LCD TVs and LCD monitors
Automotive electronics
TYPICAL APPLICATION
PIN CONNECTIONS
OUTPUT
PACKAGE TYPE
TEMP. RANGE
VOLTAGE
8 Lead SOIC
Adjustable
AMS4154S
-25°C to 125°C
8L SOIC
SO Package (S)
EN
COMP
F/B
BST
VIN
LX
GND
1
2
8
4
3
7
5
6
REF
Top View
COMP
V
REF
GND
F/B
LX
BST
EN
VIN
ON
OFF
10
μF
470n
L1
4.7
μH
31.7K
B220
10K
22
μF
2.5V/2A
4.7n
3.9K
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| AMS4155 | 2A OUTPUT PWM BUCK CONVERTER |
| AMS4155S | 2A OUTPUT PWM BUCK CONVERTER |
| AMS421_07 | 0.5V SHUNT REGULATOR |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AMS4155 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:2A OUTPUT PWM BUCK CONVERTER |
| AMS4155S | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:2A OUTPUT PWM BUCK CONVERTER |
| AMS421 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:0.5V SHUNT REGULATOR |
| AMS421_07 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:0.5V SHUNT REGULATOR |
| AMS421AM1 | 制造商:ADMOS 制造商全稱:ADMOS 功能描述:0.5V SHUNT REGULATOR |
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