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TPS92551TZ Datasheet(PDF) 6 Page - Texas Instruments |
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TPS92551TZ Datasheet(HTML) 6 Page - Texas Instruments |
6 / 26 page 0 10 20 30 40 60 65 70 75 80 85 90 95 100 VIN(V) 1LED 2LED 3LED 4LED 0 10 20 30 40 -3 -2 -1 0 1 2 3 VIN(V) 1LED 2LED 3LED 4LED 25 30 35 40 45 50 55 60 75 80 85 90 95 100 VIN(V) 6LED 10LED 14LED 16LED 25 30 35 40 45 50 55 60 -3 -2 -1 0 1 2 3 VIN(V) 6LED 10LED 14LED 16LED 0 10 20 30 40 60 65 70 75 80 85 90 95 100 VIN(V) 1LED 2LED 3LED 4LED 0 10 20 30 40 -3 -2 -1 0 1 2 3 VIN(V) 1LED 2LED 3LED 4LED TPS92551, TPS92551EVM SNVS805C – MAY 2012 – REVISED MAY 2013 www.ti.com TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise specified, the following conditions apply: VIN = 48V, CIN is a 2.2µF 100V X7R ceramic capacitor for driving 5–13 power LEDs with ILED = 350mA. Single LED forward voltage used is 3.2V. TA = 25°C for efficiency curves and waveforms. Efficiency vs VIN, ILED = 350mA ILED Regulation vs VIN, ILED = 350mA Figure 6. Figure 7. Efficiency vs VIN, ILED = 350mA ILED Regulation vs VIN, ILED = 350mA Figure 8. Figure 9. Efficiency vs VIN, ILED = 450mA ILED Regulation vs VIN, ILED = 450mA Figure 10. Figure 11. 6 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: TPS92551 TPS92551EVM |
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