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參數(shù)資料
| 型號： | GM2102 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | CONSTANT CURRENT DC/DC WHITE LED DRIVER |
| 中文描述： | 恒電流DC / DC白光LED驅(qū)動器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 194K |
| 代理商： | GM2102 |
GM2102
CONSTANT CURRENT DC/DC WHITE LED DRIVER
Revision 1, March 2003 2 www.gammamicro.com
PRELIMINARY
GM
2102
TYP
1.5
PARAMETER
TEST CONDITIONS
MIN
MAX
1.2
UNIT
Minimum Input Voltage
V
Rset Pin Voltage
Rset = 1.5K
100
mV
LED Pin Voltage
Rset = 1.5K, Vin < Vout
120
mV
V
Rset
= 0.2V
1.
2
1.5
mA
Quiescent Current
V
SHDN
= 0V
0.
1
1
μA
Swithing Frequency
Vin = 1V
1.2
MHz
Maximum Switch Duty Cycle
85
95
%
Switch Current Limit
500
mA
Switch V
CESAT
I
SW
= 300 mA
200
mV
V
SHDN
= 0V
V
SHDN
= 2V
Switch OFF, V
SW
= 5V
Rset = 562
, Vin =1.5 V
Rset = 750
, Vin =1.2 V
Rset = 1.5K
, Vin =1.2 V
Rset = 4.53K
, Vin =1.2 V
I
LED
=15 mA
0.1
30
μA
μA
μA
mA
mA
mA
mA
mA/
°
C
V
SHDN Pin Current
20
0.1
40
30
15
5
-0.02
Switch Leakage Current
LED Pin Current
LED Pin Current Temp Coeff.
Start up Threshold (SHDN pin)
0.85
Shutdown Threshold (SHDN pin)
0.25
V
PARAMETER
GM
2102
UNIT
Vin Voltage
10
V
Shutdown Voltage
10
V
SW Voltage
40
V
LED Voltage
40
V
Junction Temperature
125
°
C
°
C
°
C
°
C
Operating Temperature Range
-40 to 85
Storage Temperature Range
-65 to 150
Lead Temperature
300
ELECTRICAL CHARACTERISTICS
All Specification are at 25
°
C
. Vin = 1.8 V, VSHDN = 1.8 V unless otherwise noted.
Specifications subject to change without notice. All performance characteristics based on the use of
Gamma Microelectronics inc.
application circuits. Functional Operation of the device at conditions beyond those specified here is not implied.
ABSOLUTE MAXIMUM RATINGS
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