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TPS92551 Datasheet(PDF) 2 Page - Texas Instruments

No. de pieza TPS92551
Descripción Electrónicos  450mA 23W Constant Current Buck LED Driver Micro-Module
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS92551 Datasheet(HTML) 2 Page - Texas Instruments

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background image
EP
VIN
High Power LED String
ILED
IIN
TPS92551
CIN
4 s/DIV
VDIM(2V/DIV)
ILED(200mA/DIV)
25
30
35
40
45
50
55
60
75
80
85
90
95
100
VIN(V)
6LED
10LED
14LED
16LED
TPS92551, TPS92551EVM
SNVS805B – MAY 2012 – REVISED OCTOBER 2012
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
System Performance
Figure 2. Efficiency vs VIN , ILED = 350mA
Figure 3. Radiated Emissions (EN 55015)
Figure 4. LED Current with PWM Dimming
16µs dimming pulse
TYPICAL APPLICATION CIRCUIT
2
Submit Documentation Feedback
Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: TPS92551 TPS92551EVM


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