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SC652 数据表(PDF) 9 Page - Semtech Corporation

部件名 SC652
功能描述  Backlight Driver for 5 LEDs with Charge Pump and PWM Control
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC652 数据表(HTML) 9 Page - Semtech Corporation

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SC652
9
Typical Characteristics (continued)
Start-up — 0% to 50%
I
BL
(10.0mA/div)
V
IN
= 3.7V, 0 to 50% duty cycle, R
ISET
= 4.99kΩ, f
PWM
= 32kHz
Time (200ms/div)
V
PWM
(2V/div)
0mA—
10mA
50%
0V—
Start-up — 0% to 100%
I
BL
(10.0mA/div)
V
IN
= 3.7V, 0 to 100% duty cycle, R
ISET
= 4.99kΩ, no PWM
Time (200ms/div)
V
PWM
(2V/div)
0mA—
20mA
100%
0V—
DC Backlight Current — 32kHz PWM
I
BL
(10.0mA/div)
V
IN
= 3.7V, 50% duty cycle, R
ISET
= 4.99kΩ, I
BL
= 10mA
Time (20μs/div)
V
PWM
(2V/div)
0mA—
0V—
DC Backlight Current — 200Hz PWM
I
BL
(10.0mA/div)
V
IN
= 3.7V, 50% duty cycle, R
ISET
= 4.99kΩ, I
BL
= 10mA
Time (1ms/div)
V
PWM
(2V/div)
0mA—
0V—
I
BL Settling Time — 50% to 100%
I
BL
(10.0mA/div)
V
IN
= 3.7V, R
ISET
= 4.99kΩ, f
PWM
= 32kHz
Time (200ms/div)
V
PWM
(2V/div)
0mA—
20mA
50%
0V—
10mA
100%
I
BL Settling Time — 100% to 50%
I
BL
(10.0mA/div)
V
IN
= 3.7V, R
ISET
= 4.99kΩ, f
PWM
= 32kHz
Time (200ms/div)
V
PWM
(2V/div)
0mA—
20mA
50%
0V—
10mA
100%



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