LD1585CD2M-R datasheet(15/25 Pages) STMICROELECTRONICS

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LD1585C series

Electrical characteristics

15/25

Table 11.

Electrical characteristics of LD1585C# (VI=4.25V, CI = CO =10µF, TJ = 0 to 125°C, unless

otherwise specified.)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Output Voltage

IO = 10mA, VI - VO = 3V, TJ = 25°C

1.237

1.25

1.263

IO = 10mA to 5A, VI - VO =1.5 to 25V

(1)

1.225

1.25

1.275

ΔVO

Line Regulation

IO = 10mA, VI = 2.75 to 15V TJ = 25°C

0.015

0.2

IO = 10mA, VI = 2.75 to 15V

0.1

0.2

ΔVO

Load Regulation

IO = 10mA to 5A, TJ = 25°C

0.1

0.3

IO = 0 to 5A

0.25

0.5

Dropout Voltage

IO = 5A

1.2

1.4

IO(min)

Minimum Load Current

VI = 25V

Isc

Short Circuit Current

VI - VO = 5.5V

5.5

Thermal Regulation

TJ = 25°C, 30ms pulse

0.004

0.02

%/W

SVR

Supply Voltage Rejection

f = 120 Hz, CO = 25µF, CADJ = 25µF,

IO = 5A, VI - VO = 3 ± 1V

IADJ

Adjust Pin Current

IO = 10 mA

100

µA

ΔIADJ Adjust Pin Current Change IO = 10mA to 5A, VI = 3 to 25V (1)

0.2

µA

RMS Output Noise Voltage

(% of VO)

TJ = 25°C, f =10Hz to 10KHz

0.003

Temperature Stability

0.5

Long Term Stability

TJ = 125°C, 1000Hrs

0.5

See short-circuit current curve for available output current at fixed dropout.

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