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PDF AMS3132 Data sheet ( Hoja de datos )
| Número de pieza | AMS3132 | |
| Descripción | 3A Fast Transient Linear Regulator | |
| Fabricantes | AMS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AMS3132 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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General Description
The AMS3132 is a high performance linear regulator
with very low dropout voltage and excellent transient
response. It is designed to operate with wide input
voltage range of 1.5 – 7Volts making it ideal for two
step conversion while maintaining high efficiency for
many power sensitive applications. The device is
capable of supplying 3A of output current with a
typical dropout voltage of 700mV at 3A. The product
is available in either fixed or adjustable output
voltage.
The linear regulator has been optimized for noise
sensitive applications. The device includes an
optional enable pin for electrical on/off of the
regulator. Forcing the enable pin to logic low shuts
down the LDO and reduces the supply current to
less than 1µA.
The product includes complete short-circuit and
thermal protection. The combination of these two
internal protection circuits gives the device a
comprehensive safety system to safe guard against
extreme adverse operating conditions.
The AMS3132 is available in a 5-pin surface mount
TO263 package, and it is rated for -40°C to +125°C
temperature range.
Typical Application
AMS3132
3A Fast Transient Linear Regulator
Features
• VIN range: 1.5 – 7V
• Fixed and Adjustable output voltage as low
as 0.6V
• 3A maximum output current
• 700mV typical dropout voltage at 3A
• Low self noise
• Optional Power Good (PG) output
• Optional Enable (EN) pin for LDO on/off
• 125µA typical supply current
• PSRR >40dB at 10KHz
• Stable with Electrolytic, Tantalum or
Ceramic capacitors
• Current Limit protection
• Over-Temperature Shutdown
• -40 to +125°C temperature range
• Available in a 5-pin surface mount TO-263
package
• RoHS & WEEE compliant
Applications
• Set-top Box
• DVD, Blue-ray DVD writers
• LCD TVs and LCD monitors
• Battery Powered Equipment
• Infotainment
• Wireless & RF Applications
• High Efficiency “Green” Laptops & notebook
02/11/2010
www.advanced-monolithic.com
1
Phone (925) 443-0722
Fax (925) 443-0723
1 page  
AMS3132
3A Fast Transient Linear Regulator
Typical Performance Characteristics (TA = 25°C unless otherwise specified)
Shutdown Current vs. Input Voltage
2.0
1.5
125°C
1.0
25°C
0.5
0.0 ‐50°C
01234567
Input Voltage (V)
IGND vs. Output Current VO=2.5V, VIN=3.3V
70
60
50
40
30
20
10
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Output Current (A)
Load Transient
200mA to 2.8A, VOUT=2.5V,VIN=3.6V, CIN=COUT=22µF
Enable Start-Up
2.5A, VOUT=2.5V,VIN=3.3V, CIN=COUT=22µF
V OUT
50mVac
/div
V OUT
1V /div
ISW OUT
1A
/div
Enable
1V/div
10 µsec/div
100 µsec/div
02/11/2010
www.advanced-monolithic.com
5
Phone (925) 443-0722
Fax (925) 443-0723
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AMS3132.PDF ] | |
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