Electrical specifications

L4925

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Doc ID 1770 Rev 8

2

Electrical specifications

2.1

Absolute maximum ratings

Note:

The circuit is ESD protected according to MIL-STD-883C. According to ISO/DIS 7637 the

transients must be clamped with external circuitry (see Application Circuit).

2.2

Electrical characteristics

VS =14 V; Tj = –40 to 125 °C unless otherwise specified.

Table 3.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

VSDC

DC operating supply voltage

28

V

VSTR

Transient supply voltage (t < 1s)

40

V

IO

Output current

internally limited

VO

Output voltage

20

V

VRES

Output voltage

20

V

IRES

Output current

5

mA

Tstg

Storage temperature

-55 to 150

C

Tj

Operating junction temperature

-40 to 150

C

Tj-SD

Thermal shutdown-junction temperature

165

C

Table 4.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VO

Output voltage

VI = 6 to 28 V; IO = 1 to 500 mA

4.90

5

5.10

V

VO

Output voltage

VI = 35 V; T < 1 s;

IO = 1 to 500 mA

5.50

V

VDP

Dropout voltage

IO = 100 mA

0.2

0.3

V

IO = 500 mA

0.3

0.6

V

VIO

Input to output voltage

difference in undervoltage

condition

VI = 4 V; IO = 100 mA

0.5

V

VOL

Line regulation

VI = 6 to 28 V; IO = 1 to 1 mA

10

mV

VOLO

Load regulation

IO = 1 to 500 mA

50

mV

ILIM

Current limit

VO = 4.5 V;

550

1000

1500

mA

VO = 0; Foldback characteristic

250

mA

IQSE

Quiescent current

IO = 0.3 mA

190

360

µA

IQ

Quiescent current

IO = 500 mA

20

mA