LD1580 datasheet(4/18 Pages) STMICROELECTRONICS

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LD1580

4/18

ELECTRICAL CHARACTERISTICS FOR LD1580xx15 (Tj = -40 °C to 125 °C, CP=330 µF, CC=10 µF,

COUT=100 µF, unless otherwise specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Output Voltage

VCONTROL=4 V, VPOWER=2.3 V

Tj=25 °C, IOUT=0 mA

1.485

1.5

1.515

VCONTROL=3 Vto 12V

VPOWER=2.1 V to 5.5 V

IOUT=0 to 7 A

1.470

1.5

1.530

∆V

Line Regulation

VCONTROL=2.65 V to12V

VPOWER=2 V to 5.5 V

IOUT=10 mA

0.08

0.24

∆V

Load Regulation

VCONTROL=4 V, VPOWER=2.3 V

IOUT=0 to 7 A

0.08

0.4

VCONTROL Pin Current

VCONTROL=4 V, VPOWER=2.3 V

IOUT=100 mA

610

VCONTROL=4 V, VPOWER=2.3 V

IOUT=4 A

VCONTROL=4 V, VPOWER=2 V

IOUT=4 A

VCONTROL=4 V, VPOWER=2.3 V

IOUT=7 A

120

Quiescent Current

VCONTROL=4 V, VPOWER=2.3 V

IOUT=0 A

510

IOUT

Output Current Limit

VCONTROL=4 V, VPOWER=2.3 V

(Note

SVR

Supply Voltage Rejection

VCONTROL=VPOWER=4 V Avg,

VRIPPLE=1 VP-P

IOUT=4 A, Tj=25 °C

VDC

Minimun VCONTROL Voltage

(VCONTROL-VO)

VPOWER=2.3 V, IOUT=100 mA

(Note 2)

0.95

1.15

VPOWER=2.3 V, IOUT=1 A

0.95

1.15

VPOWER=2.3 V, IOUT=4 A

1.2

VPOWER=2.3 V, IOUT=7 A

1.05

1.3

VDP

Minimun VPOWER Voltage

(VPOWER-VO)

VCONTROL=4 V, IOUT=1 A

(Note 2)

0.05

0.15

VCONTROL=4 V, IOUT=4 A

0.2

0.4

VCONTROL=4 V, IOUT=7 A

0.4

0.6

TSHDN Shutdown Temperature

Threshold

170

°C

THYST

Thermal Shutdown

Hysteresis

°C

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