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PDF AMS4154 Data sheet ( Hoja de datos )
| Número de pieza | AMS4154 | |
| Descripción | 2A OUTPUT PWM BUCK CONVERTER | |
| Fabricantes | Advanced Monolithic Systems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AMS4154 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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Monolithic
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
AMS4154
2A OUTPUT PWM BUCK CONVERTER
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
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
OUTPUT PACKAGE TYPE TEMP. RANGE
VOLTAGE 8 Lead SOIC
Adjustable AMS4154S
-25°C to 125°C
TYPICAL APPLICATION
ON
OFF
VIN
EN
BST
LX
10µF
3.9K
COMP
VREF
GND
F/B
4.7n
470n
L1
4.7µH
B 220
2.5V/2A
31.7K
22µF
10K
PIN CONNECTIONS
8L SOIC
SO Package (S)
BST 1
VIN 2
LX 3
GND 4
8 REF
7 EN
6 COMP
5 F/B
Top View
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
1 page  
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PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted.
AMS4154
8 LEAD SOIC PLASTIC PACKAGE (S)
0. 189-0. 197*
(4. 801-5. 004)
87
6
5
0.123 (3.12)
0.137 (3.48)
87
6
5
0. 228-0. 244
(5. 791-6. 197)
0. 150-0.157**
(3. 810-3. 988)
0.090 (2.28)
0.102 (2.59)
12
34
0. 053-0. 069
(1. 346-1. 752)
0. 004-0. 010
(0. 101-0. 254)
0. 014-0. 019
(0. 355-0. 483)
0. 050
(1. 270)
TYP
12
34
0. 010-0. 020
(0. 254-0. 508)
x 45°
0.008-0. 010
(0. 203-0. 254)
0°-8 ° TYP
0. 016-0. 050
(0. 406-1. 270)
S(SO- 8 ) AMS DRW# 042293
0.024(0.61)
0.063(1.60)
0.050(1.27)
0.105(2.67)
0.213(5.41)
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.138 (3.50)
RECOMMENDED LAYOUT PATTERN
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet AMS4154.PDF ] | |
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