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TPS92510 Datasheet(PDF) 7 Page - Texas Instruments

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Part # TPS92510
Description  1.5-A Constant-Current Buck Converter for High-Brightness LEDs with Integrated LED Thermal Foldback
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS92510 Datasheet(HTML) 7 Page - Texas Instruments

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0
500
2000
2500
0
25
50
200
Timing and External Clock (RT /CLK ) Resistance (kW)
75
100
125
150
175
1000
1500
VIN = 12 V
TJ =25°C
High Frequency Range
0
100
400
500
200
400
1200
Timing and External Clock
(RT/CLK) Resistance (kW )
600
800
1000
200
300
VIN = 12 V
TJ =25°C
Low Frequency Range
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
4.3
−40 −25 −10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
VIN = 12 V
G000
560
565
570
575
580
585
590
−40 −25 −10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
VIN = 12 V
RRT = 200 kΩ
G000
0
100
200
300
400
500
−40 −25 −10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
BOOT–PH = 3 V
BOOT–PH = 6 V
VIN = 12 V
G000
190
192
194
196
198
200
202
204
206
208
210
−40 −25 −10
5
20
35
50
65
80
95
110 125
Junction Temperature (°C)
VIN = 12 V
G000
TPS92510
www.ti.com
SLUSAE4A – JANUARY 2012 – REVISED JUNE 2012
TYPICAL CHARACTERISTICS
Figure 1. On-Resistance vs. Junction Temperature
Figure 2. Reference Voltage vs. Junction Temperature
Figure 3. Switch Current vs. Junction Temperature
Figure 4. Switching Frequency vs. Junction Temperature
Figure 5. Switching Frequency vs. RT/CLK Resistance
Figure 6. Switching Frequency vs. RT/CLK Resistance
Copyright © 2012, Texas Instruments Incorporated
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