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PDF AMS4106 Data sheet ( Hoja de datos )
| Número de pieza | AMS4106 | |
| Descripción | 5A SYNCHRONUS PWM BUCK CONVERTER | |
| Fabricantes | Advanced Monolithic Systems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AMS4106 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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Advanced
Monolithic
Systems
FEATURES
• Internal MOSFET driver with Integrated High Side
• Uses External Low Side MOSFET
• Adjustable output voltage dawn to 0.600V
• External Clock Synchronization
• Built in Start/Stop UVLO
• Over Current and Thermal Protection
• Shutdown supply current < 1uA
• Frequency range 100KHz to 750KHz
AMS4106
5A SYNCHRONUS PWM BUCK CONVERTER
RoHS compliant
APPLICATIONS
• LCD TVs and LCD monitors
• Computer Peripherals
• Portable (Notebook) Computers
• Industrial power supply
• Point of regulation for high performance electronics
• Consumer Electronics
• Audio Power Amplifiers
GENERAL DESCRIPTION
The AMS4106 is a medium output current synchronous buck converter. The high side device is integrated into the device. The
AMS4106 provides an adaptive gate drive for the external FET. For low current operation this can be replaced with a Schottky
diode allowing asynchronous operation. The part has either a fixed internal present PWM frequency of 250 kHz, or externally
adjustable up to 600 kHz, allowing smaller inductors where efficiency is less critical and faster transient response is needed.
The part uses current mode control for simple compensation and ease of use with low ESR capacitors. It uses a programmable
soft start to reduce inrush current and allow large output capacitors to be used where very low ripple is required. The part has
enable pin with virtual zero power in shutdown mode. A power good is provided with open collector to facilitate power ready
functions. The part is available in SOIC 16 thermally enhanced packages.
ORDERING INFORMATION
OUTPUT PACKAGE TYPE
TEMP.
VOLTAGE
Adjustable
16 Lead SOIC
AMS4106S
RANGE
-25ºC to 125ºC
TYPICAL APPLICATION
PIN CONNECTIONS
16 Lead SOIC
(S)
PWRGD 1
SS 2
GND 3
VPWR 4
VPWR 5
VIN 6
COMP 7
F/B 8
16 FDR
15 PGND
14 LX
13 LX
12 LX
11 BST
10 ENABLE
9 F SET
Top View
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
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TYPICAL PERFORMANCE CHARACTERISTICS
87
86
85
84
83
82
81
80
79
0
250Khz 3.3v output efficiency
24
Amps
12v Efficiency
18v Efficiency
6
AMS4106
5v output efficiency
0.88
0.87
0.86
0.85
0.84 12v eff
0.83 18v Eeff
0.82
0.81
0.8
0.79
0 12 34 56
output current
Line Regulation
0.602
0.6015
0.601
0.6005
0.6
0.5995
0.599
0.5985
0.598
5 7 9 11 13 15 17 19
Supply
Series1
Load Rulation
0.61
0.605
0.6 Series1
0.595
0.59
0 12 34 56
Amps
270
268
266
264
262
260
258
256
254
252
250
5
Frequency Stability
10 15
Supply voltage
Series1
20
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
5 Page 
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PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted.
0.386-0.393*
(9.80-10.0)
16 LEAD SOIC PACKAGE (S)
0.228-0.244
(5.791-6.197)
0.150-0.157**
(3.810-3.988)
AMS4106
0.053-0.069
(1.346-1.752)
0.004-0.010
(0.101-0.254)
0.013-0.020
(0.33-0.51)
0.050
(1.270)
TYP
*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
0.010-0.020
(0.254-0.508)
x 45°
0.008-0.010
(0.203-0.254)
0.016-0.050
(0.406-1.270)
0°-8° TYP
S (SO-16 ) AMS DRW# 0702021
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AMS4106.PDF ] | |
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