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AX1117 PDF даташит

Спецификация AX1117 изготовлена ​​​​«AXElite» и имеет функцию, называемую «1A Low Dropout Linear Regulator».

Детали детали

Номер произв AX1117
Описание 1A Low Dropout Linear Regulator
Производители AXElite
логотип AXElite логотип 

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AX1117 Даташит, Описание, Даташиты
AX1117
1A Low Dropout Linear Regulator
GENERAL DESCRIPTION
AX1117 is a low dropout positive adjustable or fixed-mode regulator with minimum of
1A output current capability. The product is specifically designed to provide well-regulated
supply for low voltage IC applications such as high-speed bus termination and low current
3.3V logic supply. AX1117 is also well suited for other applications such as VGA cards.
AX1117 is guaranteed to have lower than 1.4V dropout at full load current making it ideal to
provide well-regulated outputs of 1.25 to 5.0 with 6.4V to 12V input supply.
FEATURES
- 1.4V maximum dropout at full load current
- Fast transient response
- Output current limiting
- Built-in thermal shutdown
- Good noise rejection
- 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V, 3.3V, 5.0V
- Packages: SOT223, TO252
BLOCK DIAGRAM
Vin 3
2 Vout
Thermal
Shutdown
+
+-
CURRENT
LIMIT
1.25V
+
+
1
GND
(FIXED)
- 1 Adj
1/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.9 Jun.17, 2010









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AX1117 Даташит, Описание, Даташиты
AX1117
PIN ASSIGNMENT
The packages of AX1117 are SOT223 and TO252; the pin assignment is given by:
SOT223
( Top View )
3 VIN
2 VOUT
1 Adj (GND)
Tab is VOUT
TO252
( Top View )
3
VIN
2 VOUT
1
Tab is VOUT
Adj (GND)
Name
Description
Adj
(GND)
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
VOUT
10uF capacitor (0.15Ω ≤ ESR 20Ω) must
be connected from this pin to ground to
insure stability.
The input pin of regulator. Typically a large
storage capacitor (0.15Ω ≤ ESR 20Ω) is
connected from this pin to ground to insure
VIN
that the input voltage does not sag below
the minimum dropout voltage during the
load transient response. This pin must
always be 1.4V higher than VOUT in order for
the device to regulate properly.
ORDER/MARKING INFORMATION
Order Information
AX 1117 X XX X
ADJ
Low Dropout
Regulator
Top Marking (SOT223-3L)
Package
Vout
Packing
E : SOT223-3L Blank : ADJ
D : TO252-3L 15 : 1.5V
18 : 1.8V
25 : 2.5V
33 : 3.3V
50 : 5.0V
Blank : Tube
A : Taping
Top Marking (TO252-3L)
ADJ
AXLogo
1117
YWWX
FIX
Part number
ID code: internal
WW: 01~52
Year: A= 2010
1= 2011
Logo
FIX
AX 1 1 1 7
YYWWX
Part number
ID code: internal
WW: 01~52
Year: 10=2010
11=2011
AXOutput Voltage
AX1117-15: 1.5V
AX1117-18: 1.8V
11 17
- VV
YWWX
AX1117-25: 2.5V
AX1117-33: 3.3V
AX1117-50: 5.0V
ID code: internal
WW: 01~52
Year: A= 2010
1= 2011
AXOutput Voltage
AX1117-15: 1.5V
1117
- VV
AX1117-18: 1.8V
Y YWWX
AX1117-25: 2.5V
AX1117-33: 3.3V
AX1117-50: 5.0V
ID code: internal
WW: 01~52
Year: 10=2010
11=2011
2/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.9 Jun.17, 2010









No Preview Available !

AX1117 Даташит, Описание, Даташиты
AX1117
ABSOLUTE MAXIMUM RATINGS
Parameter
DC Supply Voltage
Operating Junction Temperature Range
Maximum junction Temperature
Power Dissipation(No heat sink ;No air flow)
TA=25oC, TJ=125oC, PD=( TJ-TA ) / θJA
(multi-layer PCB cupper area 10mm*10mm)
TA=25oC, TJ=125oC, PD=( TJ-TA ) / θJA
Storage Temperature
SOT-223
TO-252
SOT-223
TO-252
Symbol
VIN
TOP
TMJ
PD
TST
Rating
-0.3 to 12
0 to +125
150
850
1050
1333
1818
-65 to +150
Unit
V
°C
°C
mW
mW
°C
ELECTRICAL CHARACTERISTICS
(TA=25°C, Under Operating Conditions)
Characteristics
Conditions
Operation Input
Voltage
Min Typ Max Units
2.75 - 12 V
Reference Voltage AX1117-ADJ TJ=25°C,(VIN-OUT)=1.5V, IOUT=10mA 1.225 1.250 1.275 V
Output Voltage
Line Regulation
(Note 1,2)
AX1117-1.5 IOUT=10mA,TJ=25°C, 3VVIN12V 1.470 1.500 1.530
AX1117-1.8
IOUT=10mA,TJ=25°C,
3.3VVIN12V
1.764 1.800 1.836
AX1117-2.5 IOUT=10mA,TJ=25oC,4VVIN12V 2.450 2.500 2.550
AX1117-3.3
IOUT = 10mA, TJ = 25°C,
4.8VVIN12V
3.235 3.300 3.365
AX1117-5.0 IOUT=10mA,TJ=25°C,6.5VVIN12V 4.900 5.000 5.100
VIN= VOUT+1.5V ~7V,
AX1117-XXX
IOUT =10mA,TJ=25°C
VIN= VOUT+1.5V ~12V,
IOUT =10mA,TJ=25°C
0.1 0.3
0.1 0.5
AX1117-ADJ VIN=3V,Vadj=0,10mA<IOUT<1A,TJ=25°C
1
V
V
V
V
V
%
%
%
AX1117-1.5 VIN= 3V, 10mA<Io<1A, TJ=25°C
12 15 mV
Load Regulation
(Note 1,2)
AX1117-1.8 VIN= 3.3V, 10mA<Io<1A, TJ=25°C
AX1117-2.5 VIN= 4V, 10mA<Io<1A, TJ=25oC
15 18 mV
20 25 mV
AX1117-3.3 VIN = 5V, 10mAIOUT1A, TJ=25°C
26 33 mV
AX1117-5.0 VIN=6.5V, 10mAIOUT1A, TJ=25°C
40 50 mV
Dropout
Voltage(VIN-VOUT)
AX1117-XXX IOUT = 1A ,VOUT=1%VOUT
1.3 1.4 V
Current Limit
AX1117-XXX (VIN-VOUT) = 3V
1. 1 A
Minimum Load Current AX1117-XXX 0°CTj125°C
5 10 mA
Ripple Rejection
F=120Hz,COUT=25uF Tantalum
AX1117-XXX VIN=VOUT+3V
60 70 dB
3/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.9 Jun.17, 2010










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