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IS32LT3120 Datasheet(PDF) 6 Page - Integrated Silicon Solution, Inc

Part # IS32LT3120
Description  DUAL CHANNEL, LINEAR LED DRIVER WITH FADE IN/FADE OUT
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Manufacturer  ISSI [Integrated Silicon Solution, Inc]
Direct Link  http://www.issi.com
Logo ISSI - Integrated Silicon Solution, Inc

IS32LT3120 Datasheet(HTML) 6 Page - Integrated Silicon Solution, Inc

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IS32LT3120
Integrated Silicon Solution, Inc. – www.issi.com
Rev.0A, 08/15/2014
6
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Voltage (V)
5
10
15202530
3540
45
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
RTSET = 100kΩ
RISET = 20kΩ
No Load
Shutdown Mode
Operating Mode
Figure 2
Supply Current vs. Supply Voltage
RISET (kΩ)
0
25
50
75
100
125
150
175
200
225
250
0
20406080
100
120
140
160
180 200
VCC = 12V
RTSET = 100kΩ
VHD = 1V
TJ = 25°C
Figure 4
Output Current vs. RISET
Supply Voltage (V)
5
10
15202530
3540
45
0
500
1000
1500
2000
2500
3000
3500
RISET = 20kΩ
RTSET = 100kΩ
RTSET = 510kΩ
RTSET = 1MΩ
Figure 6
Fade Time vs. Supply Voltage
Supply Voltage (V)
0
50
100
150
200
250
5
101520
25
303540
45
RTSET = 100kΩ
VHD = 1V
RISET = 10kΩ
RISET = 20kΩ
RISET = 40kΩ
RISET = 200kΩ
Figure 3
Output Current vs. Supply Voltage
Headroom Voltage (mV)
0
25
50
75
100
125
150
175
200
225
250
0
1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
RTSET = 100kΩ
TJ = 25°C
RISET = 200kΩ
RISET = 40kΩ
RISET = 20kΩ
RISET = 10kΩ
Figure 5
Output Current vs. Headroom Voltage
Temperature (°C)
-40 -25
-10
5
20
35
50
65
80
95
110 125
0
500
1000
1500
2000
2500
3000
3500
VCC = 12V
RISET = 20kΩ
RTSET = 100kΩ
RTSET = 510kΩ
RTSET = 1MΩ
Figure 7
Fade Time vs. Temperature


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