U6081B

TELEFUNKEN Semiconductors

Rev. A1, 14-Feb-97

4 (8)

Absolute Maximum Ratings

Parameters

Symbol

Value

Unit

Junction temperature

150

°C

Ambient temperature range

–40 to +110

°C

Storage temperature range

–55 to +125

°C

Thermal Resistance

Parameters

Symbol

Maximum

Unit

Junction ambient

120

K/W

Electrical Characteristics

ground, unless otherwise specified (see figure 1). All other values refer to Pin GND (Pin 2).

Parameters

Test Conditions / Pins

Symbol

Min

Typ

Max

Unit

Current consumption

Pin 1

6.8

mA

Supply voltage

Overvoltage detection,

stage 1

25

V

Stabilized voltage

Pin 1

24.5

27.0

V

Battery undervoltage

detection

ON

OFF

4.4

4.8

5.0

5.4

5.6

6.0

V

Battery overvoltage detection

Pin 2

Stage 1:

– on

– off

18.3

16.7

20.0

18.5

21.7

20.3

V

Stage 2:

– on

– off

25.5

19.5

28.5

23.0

32.5

26.5

V

Stabilized voltage

Pin 1

18.5

20.0

21.5

V

Short-circuit protection

Pin 6

Short-circuit current

limitation

85

100

120

mV

Short-circuit detection

75

90

105

mV

T2

S

6

3

10

30

mV

Switched off threshold

9.5

9.8

10.1

V

Charge current

23

mA

Discharge current

3

mA

Capacitance current

13

20

27

mA

Voltage doubler

Pin 7

Voltage

Duty cycle 100%

Oscillator frequency

280

400

520

kHz

Internal voltage limitation

26

27.5

30.0

V

g

(whichever is lower)

V