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AX1212A 반도체 회로 부품 판매점

1.2V Output 1A LOW Dropout Linear Regulator



AXElite 로고
AXElite
AX1212A 데이터시트, 핀배열, 회로
AX1212A
1.2V Output 1A LOW Dropout Linear Regulator
GENERAL DESCRIPTION
AX1212A is a low dropout positive 1.2V output regulator with minimum of 1A output
current capability. The product is specifically designed to provide well-regulated supply for
low voltage IC applications. AX1212A is also well suited for other applications such as VGA
cards. AX1212A is guaranteed to have lower than 1.5V dropout at full load current making
it ideal to provide well-regulated outputs of 1.2V with 2.6V to 12V input supply.
FEATURES
- Fixed 1.2V + 2% output voltage
- 1.5V maximum dropout at full load current
- Low-ESR Ceramic Capacitor (MLCC) Required for Stability
- Fast transient response
- Output current limiting
- Built-in thermal shutdown
- Good noise rejection
- Pb-Free Packages: SOT223, TO252
BLOCK DIAGRAM
Vin 3
2 Vout
Thermal
Shutdown
+
+-
CURRENT
LIMIT
+
1.2V
+
- 1 GND
1/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.6 Sep.16, 2010


AX1212A 데이터시트, 핀배열, 회로
AX1212A
PIN ASSIGNMENT
The packages of AX1212A are SOT223-3L and TO252-3L; the pin assignment is given by:
SOT223
( Top View )
3 VIN
2 VOUT
1 GND
Tab is Vout
TO252
( Top View )
3
VIN
2 VOUT
1
Tab is Vout
GND
Name
GND
VOUT
VIN
Description
A resistor divider from this pin to the
VOUT pin and ground sets the output
voltage. (Ground only for Fixed-Mode)
The output of the regulator. A minimum
of 4.7uF MLCC capacitor must be
connected from this pin to ground to
insure stability.
The input pin of regulator. Typically a
4.7uF MLCC capacitor is connected
from this pin to ground to insure that the
input voltage does not sag below the
minimum dropout voltage during the
load transient response. This pin must
always be 1.5V higher than VOUT in
order for the device to regulate properly.
ORDER/MARKING INFORMATION
Order Information
AX1212A X X
Low Dropout
Regulator
Top Marking (SOT223-3L)
Package
Packing
E : SOT223-3L Blank : Tube
D : TO252-3L A : Taping
Top Marking (TO252-3L)
AXLogo
1 2 12
A
YWWX
Part number
Functional code
ID code: internal
WW: 01~52
Year: A=2010
1=2011
AXLogo
12 12
A
YYWWX
Part number
Functional code
ID code: internal
WW: 01~52
Year: 10=2010
11=2011
ABSOLUTE MAXIMUM RATINGS (TA = 25°C)
Characteristics
DC Supply Voltage
Operating Junction Temperature Range
Maximum junction Temperature
Power Dissipation
SOT-223
(multi-layer PCB cupper area 10mm*10mm)
TA=25oC, TJ=125°C
TO-252
Storage Temperature
Symbol
VIN
TOP
TMJ
PD
TST
Rating
-0.3 to 12
-40 to +125
150
1330
1810
-65 to +150
Unit
V
°C
°C
mW
°C
2/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.6 Sep.16, 2010




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AX1212A regulator

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