L491333DIE2S datasheet(7/19 Pages) STMICROELECTRONICS

Part #	L491333DIE2S

Description	Rad-hard positive fixed voltage regulator

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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7 / 19 page

RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50

Electrical characteristics

7/19

Vd

Dropout voltage

IO = 400mA, TJ = -55°C

300

400

mV

IO = 400mA, TJ = +25°C

350

450

IO = 400mA, TJ = +125°C

450

550

IO = 1A, TJ = -55°C

550

IO = 1A, TJ = +25°C

650

IO = 1A, TJ = +125°C

800

IO = 2A, TJ = +25°C

750

IO = 2A, TJ = +125°C

950

VINH(ON) Inhibit voltage

IO = 5mA, TJ= -55 to 125°C

0.8

V

VINH(OFF) Inhibit voltage

IO = 5mA, TJ= -55 to 125°C

2.4

V

SVR

Supply voltage rejection

(1)

VI = VO+2.5V ± 1V, IO = 5mA

f = 120Hz

60

70

dB

f = 33kHz

30

40

ISH

Shutdown input current

VINH = 5 V

15

µA

VOCM

OCM pin voltage

Sinked IOCM = 24 mA active low

0.38

V

tPLH

tPHL

Inhibit propagation delay

(1)

VI = VO+2.5V, VINH = 2.4 V, IO = 400 mA

on-off

20

µs

off-on

100

µs

eN

Output noise voltage (1)

B= 10Hz to 100kHz, IO = 5mA to 2A

40

µVrms

1.

This value is guaranteed by design. For each application it’s strongly recommended to comply with the maximum current

limit of the package used.

Table 4.

Electrical characteristics (continued)

(TJ = 25 °C, VI = VO+2.5 V, CI = CO = 1 µF, unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Figure 4.

Application diagram for remote sensing operation

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L491333DIE2S Datasheet(PDF) 7 Page - STMicroelectronics

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