KD1084AD2T-R datasheet(11/22 Pages) STMICROELECTRONICS

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KD1084 series

Electrical characteristics

11/22

Table 10.

Electrical characteristics of KD1084 (VI = 4.25V, CI = CO = 10µF(Tant.),

TA = -40 to 125°C, unless otherwise specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Output voltage

IO = 10 mA, TJ = 25°C

1.225

1.25

1.275

IO = 10 mA to 5A, VI = 2.85 to 10V

1.213

1.25

1.287

ΔVO

Line regulation

IO = 10 mA, VI = 2.85 to 10V TJ = 25°C

0.015

0.2

IO = 10 mA, VI = 2.85 to 10V

0.035

0.2

ΔVO

Load regulation

IO = 10 mA to 5A, TJ = 25°C

0.3

IO = 10 mA to 5A

0.2

0.4

Dropout voltage

IO = 5 A

1.3

1.5

IO(min)

Quiescent current

VI ≤10V

Isc

Short circuit current

VI - VO = 5V

5.5

Thermal regulation

TA = 25°C, 30ms pulse

0.003

0.015

%/W

SVR

Supply voltage rejection

f = 120 Hz, CO = 25µF, CADJ = 25µF,

IO = 5A, VI = 4.75 ± 1.5V

IADJ

Adjust pin current

VI = 4.25V, IO = 10 mA

120

µA

ΔIADJ Adjust pin current change VI = 2.85 to 10V, IO = 10 mA to 5A

0.2

µA

RMS Output noise voltage

(% of VO)

TA = 25°C, f = 10Hz to 10KHz

0.003

Temperature stability

0.5

Long term stability

TA = 125°C, 1000Hrs

0.5

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