TLE 4470

Semiconductor Group

8

1998-11-01

Note: In the operating range the functions given in the circuit description are fulfilled.

Operating Range

Parameter

Symbol

Limit Values

Unit

Remarks

min.

max.

Stand-by regulator

input voltage

V

I1

5.6

45

V

–

Main regulator

input voltage

V

I2

V

0.6 V

45

V

–

Stand-by regulator

output current

I

Q1

0

180

mA

–

Main regulator

output current

I

Q2

0

350

mA

–

Disable input voltage

V

DIS

– 0.3

45

V

–

Sense input voltage

V

SI

– 0.3

17

V

–

Junction temperature

T

j

– 40

150

°C–

Thermal Resistances

Junction pin

R

thj-pin

–

25

K/W

Measured to pin 4

Junction ambient

R

thj-a

–65

K/W

–