LDLN025J2925R datasheet(8/22 Pages) STMICROELECTRONICS

Part #	LDLN025J2925R

Description	250 mA ultra low noise LDO

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Electrical characteristics

LDLN025

8/22

DocID029566 Rev 4

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IQ

Quiescent current(4)

IOUT = 0 A

12

µA

IOUT = 0 A;

-40 °C < TJ < 125 °C

25

IOUT = 0.25 A

250

µA

IOUT = 0.25 A;

-40 °C < TJ < 125 °C

425

Shutdown current

VEN = 0 V

0.2

1

µA

ISC

Short-circuit current

VOUT = 0 V

250

500

mA

RLOW

Output discharge

resistance

VEN = 0 V

230

Ω

VEN

VIL, enable input

logic low

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

-40 °C < TJ < 125 °C

0.4

V

VIH, enable input

logic high

1.2

IEN

Enable pin input

current

VIN = VEN = 5.5 V

5.5

µA

VIN = 5.5 V; VEN = 0 V

0.001

tON

Turn-on time(2)

From VEN > VIH to

VOUT = 95 % of VOUT(nom)

80

150

µs

TSHDN

Thermal

shutdown(2)

IOUT > 1 mA

160

°C

Hysteresis

20

Notes:

(1) VIN = VOUT + 1 V or 1.5 V, whichever is greater. Not applicable for 5 V output voltage versions.

(2) Guaranteed by design.

(3) Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its

nominal value.

(4) The quiescent current is defined as IIN-IOUT and does not include the EN pin current.

Table 5: Recommended input and output capacitors

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

CIN

Input capacitance

Stability

0.7

1

μF

COUT

Output capacitance

0.7

1

10

ESR

Output/input capacitance

5

500

mΩ

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