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AX2004 PDF даташит

Спецификация AX2004 изготовлена ​​​​«AXElite» и имеет функцию, называемую «High Current LED Driver».

Детали детали

Номер произв AX2004
Описание High Current LED Driver
Производители AXElite
логотип AXElite логотип 

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AX2004 Даташит, Описание, Даташиты
AX2004
High Current LED Driver
GENERAL DESCRIPTION
AX2004 is a low dropout current regulator for high current LED Driver. The output
current was decided by external resistor. Build-in thermal shutdown and current limit
protection function.
FEATURES
- Input Voltage: 2.5V to 24V
- Up to 1A Maximum Output Current.
- 3% Output current setting accuracy.
- External resistor to set LED Current.
- Built-in thermal shutdown
- Available in SOT89-5L and SOP-8L/TO252-5L Pb-Free Packages
PIN ASSIGNMENT
(Top View)
PVCC
VCC
54
AX2004
123
SET GND COMP/SD
SOT89-5L
( Side View )
Metal
Tab
GND
( Top View )
TO252-5L
5 COMP/SD
4 VCC
3 GND
2 SET
1 PVCC
( Top View )
COMP/SD 1
PVCC 2
VCC 3
SET 4
8 GND
7 GND
6 GND
5 GND
SOP8L
Name
GND
SET
PVCC
VCC
COMP/SD
Description
Ground
LED current setting input.
Connect a resistor from SET
to GND to set LED current.
The LEDs are connected from
this pin to VCC.
Input Supply Voltage
Compensation pin and
shutdown function.
Axelite Confidential Materials, do not copy or distribute without written consent.
1/8









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AX2004 Даташит, Описание, Даташиты
AX2004
ORDER/MARKING INFORMATION
Order Information
AX2004 X X X
Package Type
S: SOP-8L
F5: SOT89-5L
D5: TO252-5L
Packing
Blank : Tube
A : Taping
Top Marking (SOT89-5L)
Top Marking (SOP-8L/TO252-5L)
20 0 4
YWX
Part number
ID code: internal
WW: 01~26 (A~Z)
27~52 (a~z)
Year: A=2010
1=2011
Logo AX 2 0 0 4
YYWWX
Part number
ID code: internal
WW: 01~52
Year: 10=2010
11=2011
ABSOLUTE MAXIMUM RATINGS
Characteristics
VCC Output Voltage
PVCC Voltage
SET pin Voltage
COMP pin Voltage
Max output current
Operating Junction Temperature Range
Maximum junction Temperature
Power Dissipation
Storage Temperature
Thermal Resistance from Junction to case
Thermal Resistance from Junction to ambient
Symbol
Rating
Unit
VCC
-0.3 to 26
V
PVCC -0.3 to 24 V
VSET
-0.3 to VCC
V
VCOMP
-0.3 to 6
V
ILED 1.5 A
TOP
-40 to +125
°C
TJ 150 °C
PD
SOP8 = 1.4, SOT89 = 1.05,
TO252 = 2.2
W
TST
-65 to +150
°C
θJC
SOP-8L=25, SOT89-5L=50,
TO252-5L= 10
°C/W
θJA
SOP-8L=70, SOT89-5L=80,
TO252-5L= 45
°C/W
Note : θJA is measured with the PCB copper area(need connect to GND pins) of approximately 1.0 in2
(Multi-layer)
2/8
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.24, 2010









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AX2004 Даташит, Описание, Даташиты
AX2004
ELECTRICAL CHARACTERISTICS
(VCC = 12V, TA = 25°C, unless otherwise specified)
Characteristics
Symbol
Conditions
Min Typ Max Unit
VCC input voltage
VCC RSET = 20Ω
2.5 - 24 V
Quiescent Current
ICCQ LED open, IOUT=0mA
- 1.5 3 mA
SET Voltage
VSET VCC-VLED > 2.5V
204 210 216 mV
Dropout Voltage
PVCC - VSET VSET=2%VSET; RSET = 1Ω - 0.2 0.5 V
Output Current limit
CL
1.2 - - A
Dimming Frequency
FDIM
- - 2 KHZ
Comp Current
ICOMP VCOMP = 0V, VCC = 12V
- 80 120 μA
Shutdown Current
IVCC-SD
IPVCC-SD
VCOMP = 0V
- 1 2 mA
- - 1 μA
Shutdown voltage
VSD
- - 0.8 V
Thermal shutdown
TSD
- 150 - °C
Thermal Shutdown Hysteresis TSH
- 40 - °C
APPLICATION CIRCUIT
VIN=12V
LED
C1 R1
1µF 10KΩ
Dimming
/SD
C2
3.3nF
VCC PVCC
COMP/SD SET
GND
RSET 1uF
0.6Ω
ILED
= VSET
RSET
,
VSET
=
0.21V
PD = (12V VLED) × ILED
0.2Ω RSET 1K
3/8
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.1.1 Jun.24, 2010










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