3/10

L4989

ABSOLUTE MAXIMUM RATINGS

Note:

Maximum ratings are absolute ratings; exceeding any one of these values may cause perma-nent damage to the integrated circuit.

THERMAL DATA

(*) with 6 sq. cm on board heat sink

ELECTRICAL CHARACTERISTICS (Vs = 5.6V to 31V, Tj = -40°C to +150°C unless otherwise specified)

Symbol

Parameter

Value

Unit

DC supply voltage

-0.3 to 40

V

Input current

internally limited

DC output voltage

-0.3 to 6

V

DC output current

internally limited

Watchdog input voltage

-0.3 to VVo + 0.3

V

Open drain output voltage (RES)

-0.3 to VVo + 0.3

V

Open drain output current (RES)

internally limited

Reset delay voltage

-0.3 to VVo + 0.3

V

Watchdog delay voltage

-0.3 to VVo + 0.3

V

Watchdog enable input

-0.3 to 40

V

Junction temperature

-40 to 150

°C

ESD voltage level (HBM-MIL STD 883C)

±2kV

Symbol

Parameter

SO8

SO12+4+4

Unit

Thermal Resistance Junction to ambient

130 to 180

50(*)

°C/W

Pin

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

GENERAL

Vo

Output voltage

Vs=5.6 to 31V

Io=1 to 150mA

4.85

5.00

5.15

V

Vo

Short circuit current (1)

Vs=13.5V

160

210

250

mA

Vo

Output current limitation (1)

Vs=13.5V

170

250

290

mA

Vs, Vo

Line regulation voltage

Vs=5.6 to 31V

Io=1 to 150mA

25

mV

Vo

Load regulation voltage

Io=1 to 150mA

25

mV

Vs, Vo

Drop voltage

Io=150mA

180

400

mV

Vs, Vo

SVR

Ripple rejection

fr = 100 Hz

55

dB

Vs, Vo

Current consumption

with watchdog not active

Vs=13.5V, Io<1mA,

WEn low

69

115

µA