sc643 Semtech Corporation, sc643 Datasheet - Page 9

• Manufacturer Part Number: sc643
• Description: Light Management Unit With 4 Ldos And Sempulse Interface
• Manufacturer: Semtech Corporation

Typical Characteristics (continued)
V
V
OUT
OUT
V
I
V
I
BL
BL
IN
IN
(100mV/div)
(100mV/div)
(20mA/div)
(20mA/div)
(50mV/div)
(50mV/div)
V
V
IN
IN
=3.8V, 5 Backlights — 25 mA each, 25°C
=2.9V, 5 Backlights — 25 mA each, 25°C
Ripple — 1X Mode
Ripple — 2X Mode
Time (20μs/div)
Time (20μs/div)
V
V
I
BL
V
BL
OUT
OUT
(20mA/div)
V
I
(500mV/div)
BL
IN
(1V/div)
(100mV/div)
(20mA/div)
(50mV/div)
V
V
IN
IN
=3.6V, 5 Backlights — 25 mA each, 25°C
=3.7V, 25°C
Output Open Circuit Protection
Ripple — 1.5X Mode
5.42V
Time (20μs/div)
Time (200μs/div)
SC643
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