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AX1203 PDF даташит

Спецификация AX1203 изготовлена ​​​​«AXElite» и имеет функцию, называемую «3A Ultra Low Dropout Linear Regulator».

Детали детали

Номер произв AX1203
Описание 3A Ultra Low Dropout Linear Regulator
Производители AXElite
логотип AXElite логотип 

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AX1203 Даташит, Описание, Даташиты
AX1203
3A Ultra Low Dropout Linear Regulator
GENERAL DESCRIPTION
The AX1203 is a low-dropout voltage regulator suitable for various electronic
equipments. It provides constant voltage power source. The dropout voltage of AX1203 is
below 0.4V in full rated current (3A). This regulator has various functions such as a peak
current protection, a thermal shut down, a short circuit protect.
The AX1203 is available in TO220-5L and PDIP-8L power packages which features
small size to reduce the junction-to-case resistance, being applicable in 0.5~3W
applications.
FEATURES
- Ultra Low Dropout - 0.4V(typical) at 3A Output Current
- Adjustable mode: 1.22V Reference Voltage
- Fixed mode:5V, 9V, 12V output voltage
- Operating voltage can be up to 23V.
- Current-Limit and Thermal Shutdown Protection
- Short circuit protection, Enable function.
- Built-in internal SW P-channel MOS
- TO220-5L, TO220-5LR and PDIP-8L Pb-Free Packages.
BLOCK DIAGRAM
Vcc
EN
10uA
Current
Limit
Enable
7V
Thermal
Shutdown
Error
- + Amp
Vref=1.22V
OUT
FB
GND
1/11
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.7 Jun.09, 2011









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AX1203 Даташит, Описание, Даташиты
AX1203
PIN ASSIGNMENT
The packages of AX1203 are TO220-5L, TO220-5LR and PDIP-8L; the pin assignment is
given by:
TO220-5L ( Side View )
TO220-5LR ( Side View )
Metal
Tab
OUT
( Top View )
( Top View )
GND 1
FB 2
EN 3
VCC 4
AX1203
PDIP-8L
5 Vcc
4 EN
3 OUT
2 FB
1 GND
8 OUT
7 OUT
6 OUT
5 OUT
Metal
Tab
OUT
( Top View )
Name Description
5 Vcc
4 EN
3 OUT
2 FB
1 GND
FB Feedback pin
Enable input, it is pull-high
EN
typically. Drive EN high or floating
to turn on the regulator, driver it
low to turn it off.
VCC IC power supply pin
OUT Output Voltage pin
GND Ground pin
ORDER/MARKING INFORMATION
Order Information (FIXED)
AX1203 XXX XX X
Order Information (ADJ)
AX1203NA: PDIP-8L
Package
Vout Packing
AX1203T5: TO220-5L
N: PDIP-8L
50 = 5.0V Blank : Tube
T5 : TO220-5L 90 = 9.0V A : Taping
T5R: TO220-5LR 12 = 12V
AX1203T5R: TO220-5LR
FIXED Version (VOUT=12V)
Top Marking
ADJ Version
AXLogo 1 2 0 3
-12
YYWWX
Part number
Output voltage
ID code:internal
WW:01~52
Year: 10=2010
11=2011
AXLogo
1 2 0 3 Part number
Y Y W W X ID code:internal
WW:01~52
Year: 10=2010
11=2011
2/11
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.7 Jun.09, 2011









No Preview Available !

AX1203 Даташит, Описание, Даташиты
AX1203
ABSOLUTE MAXIMUM RATINGS (TA=25°C)
Characteristics
Symbol Rating Unit
VCC Supply Voltage
VCC -0.3 to 25 V
EN Pin Voltage
FB Pin Voltage
Output current
VEN -0.3 to 7 V
VFB
-0.3 to
Vcc+0.3
V
IOUT 3.5 A
Power Dissipation
PD 4 W
Storage Temperature Range
TST -65 to +150 °C
Junction Temperature Range
TJ -40 to 125 °C
Operating Temperature Range
TOP -40 to +85 °C
TO220-5L/TO2205LR
Thermal Resistance from Junction to case
θJC
PDIP-8L
3.5
°C/W
15
Thermal Resistance from Junction to TO220-5L/TO2205LR
ambient
PDIP-8L
θJA
25
°C/W
50
Note: θJA is measured with the PCB copper area (need connect to OUT pin) of approximately 1.5 in2 (Multi-layer).
3/11
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.7 Jun.09, 2011










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