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PDF AMS3121 Data sheet ( Hoja de datos )
| Número de pieza | AMS3121 | |
| Descripción | 2A Fast Transient Linear Regulator | |
| Fabricantes | Advanced Monolithic Systems | |
| Logotipo |  |
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General Description
The AMS3121 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 2A of output current with a
typical dropout voltage of 550mV at 2A. The product
is only available in a fixed output voltage option.
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 AMS3121 is available in both 3-pin TO-220 and
TO-263 packages, and it is rated for -40°C to
+125°C temperature range.
Typical Application
AMS3121
2A Fast Transient Linear Regulator
Features
• VIN range: 1.5 – 7V
• Fixed output voltage as low as 0.6V
• 2A maximum output current
• 550mV typical dropout voltage at 2A
• Low self noise
• 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 3-pin TO-220 and TO-263
surface mount packages
• 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  
AMS3121
2A Fast Transient Linear Regulator
Typical Performance Characteristics (TA = 25°C unless otherwise specified)
Load Transient
100mA to 1.5A, VOUT=1.8V,VIN=3.3V, CIN=COUT=22µF
VIN Start-Up
0-550mA, VOUT=1.8V,VIN=3.3V, CIN=COUT=22µF
V OUT
50mVac
/div
V OUT
1V /div
ISW OUT
500mA
/div
VIN
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 9 Páginas | |
| PDF Descargar | [ Datasheet AMS3121.PDF ] | |
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| AMS3121 | 2A Fast Transient Linear Regulator | Advanced Monolithic Systems |
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