L7915CD2T-TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

L7915CD2T-TR

Negative voltage regulators

STMicroelectronics 

L79xxC

Electrical characteristics

Refer to the test circuits, TJ = 0 to 125 °C, VI = -19 V, IO = 500 mA, CI = 2.2 µF, CO = 1 µF

unless otherwise specified.

Table 6. Electrical characteristics of L7912C

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

VO Output voltage

TJ = 25°C

-11.5 -12 -12.5 V

VO Output voltage

IO = -5 mA to -1 A, PO ≤ 15 W

VI = -15.5 to -27 V

-11.4 -12 -12.6 V

ΔVO(1) Line regulation

VI = -14.5 to -30 V, TJ = 25°C

VI = -16 to -22 V, TJ = 25°C

240

mV

120

ΔVO(1) Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

IO = 250 to 750 mA, TJ = 25°C

240

mV

120

Id

Quiescent current

TJ = 25°C

3

mA

ΔId

IO = 5 mA to 1 A

Quiescent current change

VI = -15 to -30 V

0.5

mA

1

ΔVO/ΔT Output voltage drift

IO = 5 mA

-0.8

mV/°C

eN Output noise voltage

B = 10Hz to 100kHz, TJ = 25°C

200

µV

SVR Supply voltage rejection ΔVI = 10 V, f = 120Hz

54

60

dB

Vd Dropout voltage

IO = 1 A, TJ = 25°C, ΔVO = 100 mV

1.1

V

Isc Short circuit current

1.5

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.

Doc ID 2149 Rev 21

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