L78(2014) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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L78
(Rev.:2014)

Positive voltage regulator ICs

STMicroelectronics 

Positive voltage regulator ICs

Electrical characteristics

Refer to the test circuits, TJ = 0 to 125 °C, VI = 11 V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF

unless otherwise specified(i).

Table 11. Electrical characteristics of L7806C

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

VO Output voltage

TJ = 25°C

5.75 6 6.25 V

VO Output voltage

IO = 5 mA to 1 A, VI = 8 to 19 V

5.7

6

6.3

V

VO Output voltage

IO = 1 A, VI = 19 to 21 V, TJ = 25°C

5.7

6

6.3

V

ΔVO(1) Line regulation

VI = 8 to 25 V, TJ = 25°C

VI = 9 to 13 V, TJ = 25°C

120

mV

60

ΔVO(1) Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

IO = 250 to 750 mA, TJ = 25°C

120

mV

60

Id

Quiescent current

TJ = 25°C

8

mA

ΔId

IO = 5 mA to 1 A

Quiescent current change

VI = 8 to 24 V

0.5

mA

1.3

ΔVO/ΔT Output voltage drift

IO = 5 mA

-0.8

mV/°C

eN Output noise voltage

B = 10 Hz to 100 kHz, TJ = 25°C

45

µV/VO

SVR Supply voltage rejection VI = 9 to 19 V, f = 120 Hz

59

dB

Vd Dropout voltage

IO = 1 A, TJ = 25°C

2

V

RO Output resistance

f = 1 kHz

19

mΩ

Isc Short circuit current

VI = 35 V, TJ = 25°C

0.55

A

Iscp Short circuit peak current TJ = 25°C

2.2

A

1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be

taken into account separately. Pulse testing with low duty cycle is used.

i. Minimum load current for regulation is 5 mA.

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