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LDO_57

IP Library: High Output Current, Low power, 400mA Low Dropout Voltage Regulator

STMicroelectronics 

LDO_57

ELECTRICAL CHARACTERISTICS : (Stand-by mode)

3V < VIN < 5.5V, -30°C < TA < +85°C, VREF = 2.8V, COUT = 4.7µF ±20%, 20mΩ < ESR < 0.6Ω,

ILOAD = 500µA.

Typical case : VIN = 4V, Ambient temperature, ILOAD = 500µA.

Parameter

Symbol

Test Condition

Min Typ Max Unit

Output current in stand-by mode

Quiescent Current in stand-by mode

Power Supply Rejection Ratio

in stand-by mode

Line Regulation in stand-by mode

Load Regulation

IOUTSTDBY

ISTDBY

ILOAD = 500µA

PSRRSTY f = 10KHz

35

LirSTDBY

LdrSTDBY

ILOAD = 500µA,

VIN = 2.9V to 5.5V

ILOAD = 100µA - 500µA

500

µA

20

30

45

dB

2

6

mV

50

55

mV

TYPCIAL CHARACTERISTICS

Figure 7 : PSRR vs Frequency

for Various Voltage Drop

-20

-30

-40

150m V

-50 170m V

200m V

-60

2V

-70

1

10

100

1000

10000 100000 1000000

FREQUENCY (Hz)

3/4

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