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AX1209 の電気的特性と機能

AX1209のメーカーはAXEliteです、この部品の機能は「2A LDO Linear Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 AX1209
部品説明 2A LDO Linear Regulator
メーカ AXElite
ロゴ AXElite ロゴ 




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AX1209 Datasheet, AX1209 PDF,ピン配置, 機能
AX1209
2A LDO Linear Regulator with Enable
GENERAL DESCRIPTION
The AX1209 is a low-dropout voltage regulator suitable for various electronic
equipments. It provides constant voltage power source. The dropout voltage of AX1209 is
1.1V in full rated current (2A). This regulator has various functions such as a peak current
protection, a thermal shut down, a short circuit protect.
The AX1209 is available in TO252-5L power package which features small size to
reduce the junction-to-case resistance.
FEATURES
- Operating voltage range: 7V~24V.
- Adjustable Output Version
- Low Dropout voltage: 1.1V (typical) at 2A Output Current.
- Current-Limit and Thermal Shutdown Protection.
- Short circuit protection.
- Shutdown function.
- Built internal driver.
- TO252-5L Pb-Free Package.
BLOCK DIAGRAM
VCC
COMP/SD
Current
Limit
Compensation/
Shutdown
Thermal
Shutdown
Driver
Error
- + Amp
Vref=1.25V
0.25V
VOUT
FB
GND
1/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.22, 2010

1 Page





AX1209 pdf, ピン配列
AX1209
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, TA = 25°C, VCC=12V)
Characteristics Symbol
Conditions
Min Typ Max Units
VCC Supply Voltage
Adjust output
voltage range
FB Voltage
VCC IOUT=2A
VOUT-ADJ
VFB AX1209A only
7 - 24 V
5 - 24 V
1.225 1.25 1.275 V
Quiescent Current
Shutdown Current
ICCQ No Load
ISD VCOMP = 0V
- 4 7 mA
- 1 1.5 mA
Load regulation (Note1)
Line regulation
Dropout Voltage
Short circuit protect
VLoad 5mA < IOUT < 2A
VLine
IOUT=10mA,
VOUT+1.5V<VCC<24
VDROP IOUT= 2A, VOUT=1%VOUT
Iscp VOUT = 0V
- 0.5 1.0 %/A
- 0.1 0.5 %
- 1.1 1.3 V
- 0.2 - A
Current Limit (Note2)
CL
2.1 - - A
COMP current
Shutdown
input threshold voltage
Ripple rejection ratio
ICOMP COMP=0V
VCOMP Regulator OFF
PSRR F=120Hz,COUT=47uF
- 60 90 uA
- - 0.6 V
- 55 - dB
Thermal Shutdown
TSD
- 150 - °C
Thermal Shutdown
Hysteresis
TSH
- 40 - °C
Note1: Regulation is measured at constant junction temperature by using pulsed testing with a low ON time.
Note2: Current limit is measured at constant junction temperature by using pulsed testing with a low ON time.
3/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.22, 2010


3Pages


AX1209 電子部品, 半導体
AX1209
TYPICAL CHARACTERISTICS
VCC VS Quiescent Current
6
5
4
3
2
1
No Load
0
7 9 11 13 15 17 19 21 23 25
VCC (V)
VCC VS ICOMP
100
80
60
40
20
0
7
No Load
9 11 13 15 17 19 21 23 25
VCC (V)
1.270
1.265
1.260
1.255
1.250
1.245
1.240
1.235
1.230
7
Line Regulation
Load=10mA
9 11 13 15 17 19 21 23 25
VCC (V)
VCC VS Short Current
500
400
300
200
100
0
7
VOUT=0V
9 11 13 15 17 19 21 23 25
VCC (V)
VCC VS Shutdown Threshold Voltage
2
1.8
1.6
1.4
1.2 VCOMP-H
1
0.8 VCOMP-L
0.6
0.4
0.2
0
7 9 11 13 15 17 19 21 23 25
VCC (V)
13.0
12.8
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
11.0
0
Load Regulation
VCC=15V
0.4 0.8 1.2 1.6
Load (A)
2
6/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.22, 2010

6 Page



ページ 合計 : 9 ページ
 
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