Preliminary

TS4268

180mA Ultra Low Dropout Voltage Regulator

with Reset & Watchdog Function

3/7

Version: Preliminary

Absolute Maximum Ratings

Parameter

Symbol

min.

max.

Unit

Notes

Input

Input voltage

Vin

-30

45

V

Input current

Iin

Internally limited

Reset Output

Voltage

Vres

-0.3

7

V

Current

Ires

Internally limited

Reset Delay

Voltage

-0.3

7

V

Current

Internally limited

Watchdog

Watchdog input

Vwi

-0.3

7

V

Reset Input

Reset threshold

-0.3

7

V

Output

Output voltage

Vout

-0.3

7

V

Output current

Iout

Internally limited

Ground

Current

Iq

-100

50

mA

Temperatures

Junction temperature

Tj

-40

150

Storage temperature

Tstg

-50

150

°C

Operation Range

Parameter

Symbol

min.

max.

Unit

Notes

Input voltage

Vin

--

45

Junction temperature

Tj

-40

150

°C

Thermal Resistance

Parameter

Symbol

min.

max.

Unit

Notes

Junction to ambient (soldered)

Rθja

--

185

(note 1)

Junction pin

Rθjp

--

72

°C/W

(note 2)

1. Package mounted on PCB 80 x 80 x 1.5mm3, footprint only, zero airflow.

2. Measure to pin 2

Operation at up to the maximum junction temperature of 150°C is possible in principle. Note, however, operation at the

maximum permitted rating could be affected the reliability of the device.