LDO_55

2/2

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ELECTRICAL CHARACTERISTICS

Notes: 1. Above characteristics are given for 3V minimum input operating range voltage, but regulator is

operational with 2.7V minimum input voltage.

2. All parameters are guaranteed with 170mV Dropout voltage.

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Input Voltage Range (Note 1)

35,5

V

Output Voltage

Adj = 0

1,8

V

Adj = 1

3

Output Voltage Accuracy

3

%

Output current

Active mode

0,1

25

mA

Sleep mode

5

500

µA

0,6

Ω

Dropout Voltage

∆V

DO

∆V

60

mV

(Note 2)

170

Quiescent current

30

40

µA

60

80

µA

Stand-by mode current

20

30

µA

Power down mode quiescent current

Power down active

100

1 000

nA

Power Supply Rejection Ratio

PSRR

f < 10KHz

40

50

dB

Load Regulation

Ldr

15

25

mV

Line Regulation

Lir

5

10

mV

Line Transient

Lirt

∆V

1mV

Load Transient

Ldtr

10% to 90%

and 90% to 10%

of 25mA in 10

µs

1mV

Output decoupling capacitor

1

µF

Settling time

(from power down to active mode)

From power down

to active mode

30

70

µs

From active mode

to power down

60

200

µs

Short Circuit Current Limit

100

200

250

mA