L7915CV datasheet(6/16 Pages) STMICROELECTRONICS

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L7900 SERIES

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ELECTRICAL CHARACTERISTICS OF L7915C (refer to the test circuits, TJ = 0 to 125°C, VI = -23V,

IO =500 mA, CI =2.2 µF, CO = 1 µF unless otherwise specified).

(*) 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.

ELECTRICAL CHARACTERISTICS OF L7918C (refer to the test circuits, TJ = 0 to 125°C, VI = -27V,

IO =500 mA, CI =2.2 µF, CO = 1 µF unless otherwise specified).

(*) 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.

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Output Voltage

TJ = 25°C

-14.4

-15

-15.6

Output Voltage

IO =-5mAto -1A PO ≤ 15 W

VI = -18.5 to -30 V

-14.3

-15

-15.7

∆V

O(*)

Line Regulation

VI = -17.5 to -30 V

TJ = 25°C

300

VI = -20 to -26 V

TJ = 25°C

150

∆V

O(*)

Load Regulation

IO =5mAto 1.5 A

TJ = 25°C

300

IO = 250 to 750 mA

TJ = 25°C

150

Quiescent Current

TJ = 25°C

∆I

Quiescent Current Change

IO =5mAto 1 A

0.5

VI = -18.5 to -30 V

∆V

O/∆T

Output Voltage Drift

IO = 5 mA

-0.9

mV/°C

Output Noise Voltage

B = 10Hz to 100KHz

TJ = 25°C

250

µV

SVR

Supply Voltage Rejection

∆V

I = 10 V

f = 120Hz

Dropout Voltage

IO =1A

TJ = 25°C

∆V

O = 100 mV

1.1

Isc

Short Circuit Current

1.3

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Output Voltage

TJ = 25°C

-17.3

-18

-18.7

Output Voltage

IO =-5mAto -1A PO ≤ 15 W

VI = -22 to -33 V

-17.1

-18

-18.9

∆V

O(*)

Line Regulation

VI = -21 to -33 V

TJ = 25°C

360

VI = -24 to -30 V

TJ = 25°C

180

∆V

O(*)

Load Regulation

IO =5mAto 1.5 A

TJ = 25°C

360

IO = 250 to 750 mA

TJ = 25°C

180

Quiescent Current

TJ = 25°C

∆I

Quiescent Current Change

IO =5mAto 1 A

0.5

VI = -22 to -33 V

∆V

O/∆T

Output Voltage Drift

IO = 5 mA

-1

mV/°C

Output Noise Voltage

B = 10Hz to 100KHz

TJ = 25°C

300

µV

SVR

Supply Voltage Rejection

∆V

I = 10 V

f = 120Hz

Dropout Voltage

IO =1A

TJ = 25°C

∆V

O = 100 mV

1.1

Isc

Short Circuit Current

1.1

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