LP5523 datasheet(10/61 Pages) TI2

Teilenummer	LP5523

Bauteilbeschribung	LP5523 Nine-Channel RGB- and White-LED Driver With Internal Program Memory and Integrated Charge Pump – DSBGA Package

PDF	61 Pages

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Hersteller	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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10 / 61 page

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 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

VOUT 2V/DIV

SCL

SDA

STOP CONDITION

TIME (40 Ps/DIV)

EXTERNAL CLK (RIGHT SCALE)

INTERNAL CLK (LEFT SCALE)

750

500

250

VDD (V)

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

LP5523

SNVS550E – SEPTEMBER 2009 – REVISED JANUARY 2017

www.ti.com

Product Folder Links: LP5523

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Typical Characteristics (continued)

Unless otherwise specified: VDD = 3.6 V, CIN = COUT = 1 µF, C1 = C2 = 0.47 µF, TA = 25°C; CIN, COUT, C1, C2: low-ESR

surface-mount ceramic capacitors (MLCCs) used in setting electrical characteristics.

Charge Pump In 1× Mode

If the charge pump is OFF the supply current is even lower.

Figure 9. Power-Save Mode Supply Current vs VDD

VDD = 3.6 V

ILOAD = 60 mA

Figure 10. Serial Bus Write (51h To Addr 36h) and

Charge-Pump Start-up Waveform

Figure 11. 100% PWM RGB LED Efficiency vs VDD

Figure 12. 100% PWM WLED Efficiency vs VDD

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