ACT5830
Rev PrB, 05-Mar-08
LOW-DROPOUT LINEAR REGULATORS
TYPICAL PERFORMANCE CHARACTERISTICS
(VINx = 3.6V, COUTx = 1µF, TA = 25°C unless otherwise specified.)
Power Supply Rejection Ratio
Dropout Voltage vs. Load Current
80
250
200
COUT = 1µF
ILOAD = 150mA
LDO5
LDO8
LDO5
LDO1
70
LDO3
60
50
150
100
50
40
30
20
0
0
0.1
50
100
150
200
250
300
350
1
10
100
Load Current (mA)
Frequency (kHz)
LDO Load Regulation
LDO Enable
0.0%
LDO5
LDO8
CH1
CH2
-0.5%
-1.0%
LDO3
CH3
CH4
LDO1
-1.5%
CH1: PWR_ON, 2V/div
CH2: LDO1, 2V/div
CH3: LDO2, 1V/div
CH4: REG, 1V/div
TIME: 200µs/div
0
50
100
150
200
250
300
350
IOUT (mA)
LDO Disable
LDO Output Voltage Noise
CH1
CH2
CH3
CH1
CH4
LDO1, 2
CH1: VOUTx, 1mV/div
TIME: 10ms/div
CH1: PWR_ON, 2V/div
CH2: LDO1, 2V/div
CH3: LDO2, 1V/div
CH4: REG, 1V/div
TIME: 2ms/div
Innovative PowerTM
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of Philips Electronics.
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