ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

DC Input Voltage

Transient Input Overvoltage (t = 40ms)

28

60

V

V

Output Current

Internally Limited

Storage and Junction Temperature

– 40 to 150

°C

THERMAL DATA

Symbol

Parameter

Value

Unit

Thermal Resistance Junction-case

Max

4

°C/W

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

DC Operating Input Voltage

24

V

Output Voltage 1

R Load 1k

Ω

4.95

5.05

5.15

V

Output Voltage 2 HIGH

R Load 1k

Ω

5

V

Output Voltage 2 LOW

0.1

V

Output Current 1 max.

300

mA

Leakage Output 1 Current

≤ 3V

1

µA

Output Current 2 max.

300

mA

Output 1 Dropout Voltage (*)

0.7

0.8

1.1

0.8

1

1.4

V

V

V

Input Threshold Voltage

6.4

V

Input Threshold Voltage Hyst.

250

mV

Line Regulation 1

5

50

mV

Line Regulation 2

5

50

mV

Load Regulation 1

40

80

mV

Load Regulation 2

50

80

mV

Quiescent Current

≤ 5mA

4.5

2.7

1.6

6.5

4.5

3.5

mA

Reset Threshold Voltage

4.9

V

Reset Threshold Hysteresis

30

50

80

mV

Reset Output Voltage HIGH

µA

4.12

V

Reset Output Voltage LOW

0.25

0.4

V

Reset Pulse Delay

3

5

11

ms

Timing Capacitor Discharge Time

20

µs

1.25

2.4

V

≤ 0.4V

≥ 2.4V

– 150

–30

µA

µA

∆T

Thermal Drift

–20

0.3

– 0.8

mV/

°C

∆T

Thermal Drift

–20

0.3

– 0.8

mV/

°C

SVR1

Supply Voltage Rejection

Io = 100mA

50

84

dB

SVR2

Supply Voltage Rejection

50

80

dB

* The dropout voltage is defined as the difference between the input and the output voltage when the output voltage is lowered of 25 mV under

constant output current condition.

L4902A

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