MAX8930 查看數據表（PDF） - Maxim Integrated
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MAX8930 Datasheet PDF : 52 Pages
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WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
Typical Operating Characteristics (continued)
(VPV_ = VEN = 3.7V, circuit of Figure 1, TA = +25°C, unless otherwise noted.)
WLED—CHARGE PUMP ACTIVE
MAX8930 toc07
VC1P
2V/div
0V
VC1N
0V
2V/div
2V/div
VC2P
VPV_ = 3.8V, ILED = 25.6mA 0V
VC2N
0V
2V/div
VNEG
0V
2V/div
100ns/div
WLED—DIMMING CURRENT TRANSIENT
WITH SLOPE CONTROL
MAX8930 toc08
ILED1
1mA
ILED2
1mA
20mA
20mA
10mA/div
10mA/div
0.256ms/0.1mA SLOPE
10ms/div
WLED—DIMMING CURRENT TRANSIENT
BY I2C
MAX8930 toc09
10mA
ILED1
20mA
10mA/div
ILED2
10mA
20mA
10mA/div
1ms/div
WLED—DIMMING CURRENT TRANSIENT
BY CAI AND I2C
MAX8930 toc11
2V/div
VCAI
0mA
10mA /div
ILED1
0mA
10mA /div
ILED2
I2C SETTING = 20mA
0mA
2ms/div
WLED—DIMMING CURRENT TRANSIENT
BY CAI
MAX8930 toc10
2V/div
VCAI
0mA
VSDA
2V/div
0mA
10mA /div
ILED1
0mA
ILED2
10mA /div
I2C SETTING = 25.6mA TO 20mA
0mA
4ms/div
WLED—DIMMING CURRENT TRANSIENT
BY ALC
MAX8930 toc12
VSENSE
ILED1
1V/div
0V
20mA /div
0mA
ILED2
20mA /div
0mA
100ms/div
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