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PDF A7211 Data sheet ( Hoja de datos )
| Número de pieza | A7211 | |
| Descripción | 1A SYNCHRONOUS STEP-DOWN CONVERTER | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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AiT Semiconductor Inc.
www.ait-ic.com
A7211
1A SYNCHRONOUS STEP-DOWN CONVERTER
UNIQUE TSOT23-6 PACKAGED 5.5V TO 18V INPUT
DESCRIPTION
The A7211 is a current mode synchronous buck
converter with integrated high side and low side
power MOSFETS, and has excellent transient load
and line regulation. It enables the device to adopt to
both low ESR output capacitors, such as POSCAP or
SP-CAP, and ultra-low ESR ceramic capacitors.
The A7211 operates from 5.5V to 18V VIN input, and
the output voltage can be programmed between
0.81V to 14V with 1A output current, and +/-2% high
accuracy output voltage.
Due to 125mΩ (High side) and 70mΩ (Low side)
integrated FETs, the A7211 works in high efficiency
(up to 91% @12V Input, 5.0V output).
The A7211 is available in TSOT-26 packages.
ORDERING INFORMATION
Package Type
Part Number
TSOT-26
A7211TE6R
TE6
A7211TE6VR
Note
V: Halogen free Package
R : Tape & Reel
AiT provides all RoHS products
Suffix “ V “ means Halogen free Package
FEATURES
Up to 18V Synchronous Converter
No Schottky Rectifier Diode
1A Output Current
Fixed 1.4MHz High Switching Frequency
Integrated Two Power FETs Optimized for
portable application: 125mΩ (High side) and
70mΩ (Low side)
High Efficiency Up to 91% Efficiency @ 12V
Input, 5.0V Output
Wide Input Voltage Range: 5.5V to 18V @ 1A
loading, TA=25℃
Wide Output Voltage Range: 0.81V to 14V @
1A loading ( 14Watt output @max)
Low Output Ripple and Allows Ceramic Output
Capacitor
Thermal Shutdown Protection
Cycle By Cycle Over Current Limit
Over Voltage Protection
Internal Compensation
Minimum Number of External Component
Smaller PCB Size due to no Schottky Diode
Available in TSOT-26 Packages
APPLICATION
Wide Range of Applications for Low Voltage
System
IP Camera, Monitor
xDSL Cable Modem
Digital STB
Ideal for Portable Applications
TYPICAL APPLICATION
REV1.0
- JUL 2012 RELEASED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
PACKAGE INFORMATION
Dimension in SOT-26 Package (Unit: mm)
A7211
1A SYNCHRONOUS STEP-DOWN CONVERTER
UNIQUE TSOT23-6 PACKAGED 5.5V TO 18V INPUT
SYMBOL
A
A1
A2
b
c
D
E
E1
e
e1
L
θ
REV1.0
- JUL 2012 RELEASED -
MIN MAX
0.700
0.900
0.000
0.100
0.700
0.800
0.350
0.500
0.080
0.200
2.820
3.020
1.600
1.700
2.650
2.950
0.950(BSC)
1.900(BSC)
0.300
0.600
0° 8°
-5-
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet A7211.PDF ] | |
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