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PDF A7131 Data sheet ( Hoja de datos )
| Número de pieza | A7131 | |
| Descripción | 3A 1.5MHz 5.5V SYNCHRONOUS BUCK CONVERTER | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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AiT Semiconductor Inc.
www.ait-ic.com
A7131
DC-DC CONVERTER
3A 1.5MHz 5.5V SYNCHRONOUS BUCK CONVERTER
DESCRIPTION
FEATURES
The A7131 is a high efficiency synchronous, buck
DC/DC converter. Its input voltage range is from 2.6V
Adjustable Output Voltage, VFB=0.8V
Maximum output current is 3A
to 6V and provides an adjustable regulated output Range of operation input voltage: Max 6V
voltage from 0.8V to 5.5V while delivering up to 3A of Standby current: 0.5mA (typ.)
output current.
Line regulation: 0.1%/V (typ.)
Load regulation: 10mV (typ.)
The internal synchronous switches increase High efficiency, up to 96%
efficiency and eliminate the need for an external Environment Temperature: -20°C~85°C
Schottky diode. The switching frequency is set by an Available in DFN8(2x2) and DFN10(3x3)
external resistor or can be synchronized to an
Packages
external clock. The 100% duty cycle provides low
dropout operation extending battery life in portable
APPLICATION
systems.
Power Management for 3G modem
The A7131 is operated in PFM/PWM auto-switch
mode which enhance the efficiency at light-load.
3W LED driver from Li-ion battery
LCD Monitor and LCD TV
The A7131 is available in DFN8(2x2) and
DFN10(3x3) packages.
DVD Decode Board
ADSL Modem
Post Regulators for Switching Supplies
ORDERING INFORMATION
TYPICAL APPLICATION
Package Type
Part Number
DFN8
A7131J8R
J8
A7131J8VR
DFN10
A7131J10R
J10
A7131J10VR
Note
R: Tape & Reel
V: Halogen free Package
AiT provides all RoHS products
Suffix “V” means Halogen free Package
REV1.2
- APR 2012 RELEASED, AUG 2014 UPDATED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A7131
DC-DC CONVERTER
3A 1.5MHz 5.5V SYNCHRONOUS BUCK CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
1. Efficiency vs. Output Current(VOUT=1.0V)
2. Load Regulation(VOUT=1.0V)
3. Efficiency vs. Output Current(VOUT=3.3V)
4. Load Regulation(VOUT=3.3V)
5. Quiescent Current vs. Input Voltage
6. Current Limit vs. Input Voltage
REV1.2
- APR 2012 RELEASED, AUG 2014 UPDATED -
-5-
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet A7131.PDF ] | |
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