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L4901

DUAL 5V REGULATOR WITH RESET

STMicroelectronics 

L4901A

ABSOLUTE MAXIMUM RATINGS

Symbol

VIN

Io

Tj

Parameter

DC Input Voltage

Transient Input Overvoltage (t = 40ms)

Output Current

Storage and Junction Temperature

Value

Unit

24

V

60

V

Internally Limited

– 40 to 150

°C

THERMAL DATA

Symbol

Rth (j-c)

Parameter

Thermal Resistance Junction-case

Max.

Value

4

Unit

°C/W

ELECTRICAL CHARACTERISTICS (VIN = 14, 4V, Tamb = 25°C unless otherwise specified)

Symbol

Vi

V01

V02 H

V02 L

I01

IL 01

I02

VI01

VIT

VITH

∆V01

∆V02

∆V01

∆V02

IQ

IQ1

VRT

VRTH

VRH

VRL

tRD

td

∆V01

∆T

∆V02

∆T

SVR1

SVR2

Parameter

DC Operating Input Voltage

Output Voltage 1

Output Voltage 2 HIGH

Output Voltage 2 LOW

Output Current 1

Leakage Output 1 Current

Output Current 2

Output 1 Dropout Voltage (*)

Input Threshold Voltage

Input Threshold Voltage Hyst.

Line Regulation 1

Line Regulation 2

Load Regulation 1

Load Regulation 2

Quiescent Current

Quiescent Current 1

Reset Threshold Voltage

Reset Threshold Hysteresis

Reset Output Voltage HIGH

Reset Output Voltage LOW

Reset Pulse Delay

Timing Capacitor Discharge Time

Thermal Drift

Thermal Drift

Supply Voltage Rejection

Supply Voltage Rejection

Test Conditions

R Load 1kΩ

R Load 1kΩ

I02 = – 5mA

∆V01 = – 100mV

VIN = 0, V01 ≤ 3V

∆V02 = – 100mV

I01 = 10mA

I01 = 100mA

I01 = 300mA

7V < VIN < 18V, I01 = 5mA

7V < VIN < 18V, I02 = 5mA

5mA < I01 < 400mA

5mA < I01 < 400mA

I02 = I01 ≤ 5mA

0 < VIN < 13V

7V < VIN < 13V

I01 ≤ 5mA, I02 = 0, VIN2 = 0

6.3V < VIN < 13V

IR = 500µA

IR = –<0>5mA

Ct = 10nF

Ct = 10nF

– 20°C ≤ Tamb ≤ 125°C

– 20°C ≤ Tamb ≤ 125°C

f = 100Hz, VR = 0.5V

Io = 100mA

Min.

Typ.

4.95

V01 –0.1

400

5.05

5

0.1

400

0.7

0.8

1.1

V01 + 1.2 6.4

250

5

5

50

50

4.5

1.6

0.6

V02 – 0.15

30

V02 – 1

3

4.9

50

4.12

0.25

5

0.3 –

0.8

0.3 –

0.8

50

84

50

80

Max.

Unit

20

V

5.15

V

V01

V

V

mA

1

µA

mA

0.8

V

1

V

1.4

V

V01 + 1.7

V

mV

50

mV

50

mV

100

mV

100

mV

mA

6.5

3.5

0.9

mA

V02 –0.05 V

80

mV

V02

V

0.4

V

11

ms

20

µs

mV/°C

mV/°C

dB

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.

3/10

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