RT9379 RICHTEK [Richtek Technology Corporation], RT9379 Datasheet - Page 6

• Manufacturer Part Number: RT9379
• Description: 6 Channels 150mA x1/x1.5/x2 Charge Pump White LED Driver
• Manufacturer: RICHTEK [Richtek Technology Corporation]

(200mA/Div)
(10mA/Div)
RT9379
www.richtek.com
6
(2V/Div)
(5V/Div)
(1V/Div)
(2V/Div)
I
I
IN
LED
V
C2P
EN
EN
OUT
x1.5 Mode Inrush Current Response
V
V
IN
IN
= 3.7V, C
= 3.15V
PWM Dimming Operation
CF
= 56nF, Duty = 50%, f = 10kHz
Time (100μs/Div)
Time (250μs/Div)
(200mA/Div)
(200mA/Div)
(50mV/Div)
(50mV/Div)
V
(2V/Div)
(5V/Div)
(5V/Div)
(1V/Div)
I
I
V
IN
IN
OUT
V
C2P
C2P
EN
IN
OUT
V
x2 Mode Inrush Current Response
IN
= 3.1V
Ripple & Spike
Time (100μs/Div)
Time (1μs/Div)
DS9379-01 April 2011
V
IN
= 3.1V