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
LDO1 CHARACTERISTICS (continued)
PARAMETER
Power-Supply Rejection
DVLDO1/DVPV3
Output Noise Voltage (RMS)
Minimum Output Capacitor
Startup Time from Shutdown
Startup Transient Overshoot
Shutdown Output Impedance
CONDITIONS
f = 10Hz to 10kHz, ILDO1 = 10mA, CLDO1 = 1FF
f = 100Hz to 100kHz, ILDO1 = 10mA, CLDO1 = 1FF
ILDO1 < 200mA
ILDO1 = 150mA (Note 3)
ILDO1 = 150mA (Note 3)
LDO1 disabled through I2C (default on)
MIN TYP MAX UNITS
60
dB
45
FVRMS
1
FF
40
100
Fs
3
50
mV
1
kI
LDO2 CHARACTERISTICS
PARAMETER
CONDITIONS
Output Voltage VLDO2 (Default) 200mA at VPV3 = 3.6V
Programmable Output Voltage ILDO2 = 50mA
Output Current
Current Limit
Dropout Voltage
Line Regulation
Load Regulation
Power-Supply Rejection
DVLDO2/DVPV3
Output Noise Voltage (RMS)
Minimum Output Capacitor
Startup Time from Shutdown
Startup Transient Overshoot
Shutdown Output Impedance
VLDO2 = 90% of nominal regulation voltage (Note 4)
ILDO2 = 200mA, TA = +25NC
3.4V P VPV3_ P 5.5V, ILDO2 = 150mA
1mA < ILDO2 < 200mA
f = 10Hz to 10kHz, ILDO2 = 10mA, CLDO2 = 1FF
f = 100Hz to 100kHz, ILDO2 = 10mA, CLDO2 = 1FF
ILDO2 < 200mA
ILDO2 = 150mA (Note 3)
ILDO2 = 150mA (Note 3)
LDO2 disabled through I2C (default on)
MIN
2.813
2.231
2.425
2.522
2.619
2.716
2.813
2.910
3.007
200
250
TYP MAX UNITS
2.9 2.987
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
60
dB
45
FVRMS
1
FF
40
100
Fs
3
50
mV
1
kI
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