IIN

(1A/DIV)

VOUT

(5V/DIV)

VLED

(5V/DIV)

ILED

(100 mA/DIV)

Time

(200 Ps/DIV)

IIN

(500 mA/DIV)

VOUT

(5V/DIV)

VLED

(5V/DIV)

ILED

(20 mA/DIV)

Time

(80 Ps/DIV)

IIN

(200 mA/DIV)

ILED

(100 mA/DIV)

Time

(100 Ps/DIV)

IIN

(1A/DIV)

VOUT

(5V/DIV)

VLED

(5V/DIV)

ILED

(100 mA/DIV)

Time

(200 Ps/DIV)

IIN

(500 mA/DIV)

ILED

(200 mA/DIV)

Time

(100 Ps/DIV)

VLED

(2V/DIV)

VOUT

(2V/DIV)

IIN

(500 mA/DIV.)

ILED

(200 mA/DIV)

Time

(800 Ps/DIV)

VLED

(2V/DIV)

VOUT

(2V/DIV)

12

LM3555

SNVS594G – DECEMBER 2008 – REVISED APRIL 2016

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Typical Characteristics (continued)

Unless otherwise specified: TA = 25°C; VIN = 3.6 V; CIN1= 10 µF, CIN2= 0.1 µF, COUT = 11 µF; L = 2.2 µH.

Two LEDs

I2C Mode

Figure 25. Start-Up

Two LEDs

I2C Mode

Figure 26. Ramp-Down

Two LEDs

I2C Mode

Figure 27. Ramp-Down (Zoom)

Two LEDs

Simple Mode

Figure 28. Start-up

Two LEDs

Simple Mode

Figure 29. Ramp-Down

Two LEDs

Torch

Figure 30. Diode Detect