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AX1117 の電気的特性と機能

AX1117のメーカーはAXEliteです、この部品の機能は「1A Low Dropout Linear Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 AX1117
部品説明 1A Low Dropout Linear Regulator
メーカ AXElite
ロゴ AXElite ロゴ 




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AX1117 Datasheet, AX1117 PDF,ピン配置, 機能
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

1 Page





AX1117 pdf, ピン配列
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


3Pages


AX1117 電子部品, 半導体
AX1117
PACKAGE OUTLINES
(1) SOT223-3L
D
B1
3.3
HE
K
e
e1
2.3
1.2
Land Pattern Recommendation (Unit: mm)
B
L
Symbol
Dimensions in Millimeters
Min. Nom. Max.
A-
- 1.8
A1 0.02
0.06
0.1
B 0.66 0.75
0.84
B1 2.9
3
3.1
C 0.23 0.315 0.35
D 6.3
6.5
6.7
E 3.3
3.5
3.7
H 6.7
7
7.3
L 0.75
-
-
K 1.5 1.75
2
e 2.3 Basic
e1 4.6 Basic
JEDEC outline: TO-261 AB
Seating Plane
Dimensions in Inches
Min. Nom. Max.
- - 0.071
0.001
0.002
0.004
0.026 0.03 0.033
0.114
0.118
0.122
0.009
0.012
0.014
0.248
0.256
0.264
0.13 0.138 0.146
0.264
0.278
0.287
0.03 -
-
0.059
0.069
0.079
0.091 Basic
0.181 Basic
6/7
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.9 Jun.17, 2010

6 Page



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