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LP55231 데이터시트(PDF) 11 Page - Texas Instruments

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부품명 LP55231
상세설명  LP55231 Programmable 9-Output LED Driver
PDF  53 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

LP55231 데이터시트(HTML) 11 Page - Texas Instruments

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3 x SHARP GM5WA06270A RGB-LED
9 x 6.7 mA
9 x 10 mA
VDD (V)
2.7
3.3
3.9
4.5
5.1
95
90
85
80
75
70
65
60
55
6 x NICHIA NSCW100 WLED
6 x 10 mA
6 x 15 mA
VDD (V)
2.7
3.3
3.9
4.5
5.1
3.6V
3.6V
2.8V
4.2V
4.5V
VDD
VOUT
TIME (2 ms/DIV)
3.6V
2.8V
3.6V
4.2V
VDD
VOUT
TIME (2 ms/DIV)
LP55231
www.ti.com
SNOSCR5 – MARCH 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified: VDD = 3.6V, CIN = COUT = 1.0 µF, C1 = C2 = 0.47 µF, TA = 25°C.
(1)
Line Transient and Charge Pump Automatic Gain
Line Transient and Charge Pump Automatic Gain
Change (1.5x to 1x) with 6 LEDs at 1mA / 100% PWM
Change (1x to 1.5x) with 6 LEDs at 1mA / 100% PWM
Figure 11.
Figure 12.
100% PWM RGB LED Efficiency vs. VDD
100% PWM WLED Efficiency vs. VDD
Figure 13.
Figure 14.
Copyright © 2013, Texas Instruments Incorporated
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