LDLN025J25R datasheet(7/22 Pages) STMICROELECTRONICS

Part #	LDLN025J25R

Description	250 mA ultra low noise LDO

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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LDLN025

Electrical characteristics

DocID029566 Rev 4

7/22

5

Electrical characteristics

(TJ = 25 °C, VIN = VOUT(nom) + 1 V or 1.5 V, whichever is greater; VEN = 1.2 V; CIN

= 1 μF;

COUT

= 1 μF; IOUT = 1 mA)

Table 4: Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input

voltage range

1.5

5.5

V

VOUT

Output voltage

accuracy

VOUT + 1 V(1) < VIN < 5.5 V,

1 mA < IOUT < 0.25 A,

VOUT

≥ 1.8 V,

-40 °C < TJ < 125 °C

-2.0

2.0

%

VOUT + 1 V(1) < VIN < 5.5 V,

1 mA < IOUT < 0.25 A,

VOUT < 1.8 V,

-40 °C < TJ < 125 °C

-3.0

+3.0

∆VOUT/∆VIN

Static line regulation

VOUT + 1 V(1) < VIN < 5.5 V

0.02

%/V

-40 °C < TJ < 125 °C

0.06

Line transient(2)

∆VIN = +/- 0.6 V,

trise = tfall

= 30 μs

-1

+1

mV

∆VOUT/∆IOUT

Static load

regulation

1 mA < IOUT < 0.25 A

0.002

%/mA

-40 °C < TJ < 125 °C

0.007

Load transient(2)

∆IOUT = 1 mA to 250 mA and

back, trise = tfall

= 10 μs

-40

+40

mV

∆VOUT

Overshoot on

startup(2)

Percentage of VOUT(nom)

5

%

VDROP

Dropout voltage(3)

IOUT = 0.1 A

50

mV

IOUT = 0.25 A

120

IOUT = 0.25 A,

-40 °C < TJ < 125 °C

(Flip-Chip4)

200

IOUT = 0.25 A,

-40 °C < TJ < 125 °C

(DFN4-1x1)

250

eN

Output noise

voltage (2)

f = 10 Hz to 100 kHz;

IOUT = 1 mA

10

µVRMS

f = 10 Hz to 100 kHz;

IOUT = 250 mA

6.5

SVR

Supply voltage

rejection(2)

f = 100 Hz; IOUT = 20 mA

80

dB

f = 1 kHz; IOUT = 20 mA

80

f = 10 kHz; IOUT = 20 mA

75

f = 100 kHz; IOUT = 20 mA

60

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