SC652

7

Ripple — 1X Mode

V

IN

(100mV/div)

V

IN

=4.2V, R

ISET

= 4kΩ, 5 Backlights — 25 mA each, 25°C (see note 1)

Time (10μs/div)

V

OUT

(100mV/div)

Ripple — 1.5X Mode

V

IN

(100mV/div)

V

IN

=3.2V, R

ISET

= 4kΩ, 5 Backlights — 25 mA each, 25°C (see note 1)

Time (10μs/div)

V

OUT

(100mV/div)

Ripple — 2X Mode

V

IN

(100mV/div)

V

IN

=2.9V, R

ISET

= 4kΩ, 5 Backlights — 25 mA each, 25°C (see note 1)

Time (10μs/div)

V

OUT

(100mV/div)

Typical Characteristics (continued)

NOTE 1: C

IN

= C

OUT

= 4.7μF — 0603 size (1608 metric); C

1

= C

2

= 2.2μF — 0402 size (1005 metric)

NOTE 2: C

IN

= C

OUT

= C

1

= C

2

= 2.2μF — 0603 size (1608 metric)

Ripple — 1X Mode

V

IN

(100mV/div)

V

IN

=4.2V, R

ISET

= 5.56kΩ, 5 Backlights — 18 mA each, 25°C (see note 2)

Time (10μs/div)

V

OUT

(100mV/div)

Ripple — 1.5X Mode

V

IN

(100mV/div)

V

IN

=3.2V, R

ISET

= 5.56kΩ, 5 Backlights — 18 mA each, 25°C (see note 2)

Time (10μs/div)

V

OUT

(100mV/div)

Ripple — 2X Mode

V

IN

(100mV/div)

V

IN

=2.9V, R

ISET

= 5.56kΩ, 5 Backlights — 18 mA each, 25°C (see note 2)

Time (10μs/div)

V

OUT

(100mV/div)