MAX8930EWJ Просмотр технического описания (PDF) - Maxim Integrated
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MAX8930EWJ Datasheet PDF : 52 Pages
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WLED Charge Pump, RGB, OLED Boost,
LDOs with ALC and CAI
CURRENT SINK DRIVER CHARACTERISTICS
PARAMETER
Current Setting Range
CONDITIONS
WLED1–WLED8, RGB programmable by I2C
WLED_, RGB Ramp-Up/Ramp-
Down Time
Main WLED_ and RGB ramp-up/ramp-down in 0.1mA
increments; 8 steps are programmable through I2C;
ramp-up and ramp-down times are set separately
WLED_, RGB Current Accuracy
WLED_, RGB Current Matching
WLED_, RGB RDSON
WLED_, RGB Current Regulator
Dropout Voltage
WLED_, RGB Current Regulator
Switchover Threshold
(1x to -0.5x)
WLED_, RGB Current Regulator
Switchover Hysteresis
WLED_, RGB Leakage in
Shutdown
25.6mA setting, TA = +25NC
0.1mA setting, TA = +25NC
WLED1–WLED8, RGB (Note 4)
1x mode
-0.5x mode
25.6mA setting 1x mode
(Note 5)
-0.5x mode
VLED falling
All LEDs off
TA = +25NC
TA = +85NC
TA = 0NC to +85NC
TA = -40NC
MIN TYP MAX UNITS
0.1
25.6
mA
0
(default)
0.016
0.064
0.128
ms/
0.1mA
0.256
0.512
1.024
2.048
-2.5
+2.5
%
-50
Q10
+50
5
10
%
2.68
I
4.12
62
120
62
150
mV
95
200
125
150
175
mV
100
mV
0.01
5
FA
0.1
LDO1 CHARACTERISTICS
PARAMETER
CONDITIONS
Output Voltage VLDO1 (Default) 200mA at VPV3 = 3.6V
Programmable Output Voltage ILDO1 = 50mA
Output Current
Current Limit
Dropout Voltage
Line Regulation
Load Regulation
VLDO1 = 90% of nominal regulation voltage (Note 3)
ILDO1 = 200mA, TA = +25NC
3.4V P VPV3_ P 5.5V, ILDO1 = 150mA
1mA < ILDO1 < 200mA
MIN
2.522
2.231
2.425
2.522
2.619
2.716
2.813
2.910
3.007
200
250
TYP MAX UNITS
2.6 2.678
V
2.3 2.369
2.5 2.575
2.6 2.678
2.7 2.781
V
2.8 2.884
2.9 2.987
3.0 3.090
3.1 3.193
mA
475 750
mA
120 300
mV
2.4
mV
25
mV
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