LDFM datasheet(9/36 Pages) STMICROELECTRONICS

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LDFM

Electrical characteristics

DocID023585 Rev 4

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TJ = 25 °C, VIN = VOUT(NOM) + 1 Va, CIN = 1 µF, COUT = 2.2 µF, ILOAD = 10 mA, VEN = 2 V, unless otherwise

specified.

Table 6: Electrical characteristics for LDFM (adjustable version)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input

voltage

2.5

VADJ

Reference voltage

VIN = VOUT+1 V(1)

0.8

Reference voltage

tolerance

VOUT+1 V(1)

≤ VIN ≤ 16 V

ILOAD = 10 mA

-1

10 mA ≤ ILOAD ≤ 500 mA

TJ = -40 to 125 °C

-1.5

1.5

∆VOUT

Static line regulation

VOUT+1 V (1)

≤ VIN ≤ 16 V

0.01

%/V

VOUT+1 V(1)

≤ VIN ≤ 16 V,

TJ = -40 to 125 °C

0.04

∆VOUT

Static load regulation

10 mA ≤ ILOAD ≤ 500 mA

0.06

%/A

10 mA ≤ ILOAD ≤ 500 mA,

TJ = -40 to 125 °C

0.2

0.4

10 mA ≤ ILOAD ≤ 500 mA,

TJ = -40 to 125 °C

DFN6 version

VDROP

Dropout voltage (2)

VOUT fixed to 2.5 V,

ILOAD = 500 mA,

-40 °C < TJ < 125 °C

125

300

Quiescent current

ON mode: VEN = 2 V

ILOAD= 10 mA to 500 mA,

TJ = -40 to 125 °C

200

800

µA

OFF Mode:VEN = GND,

PPAK and DFN versions

OFF Mode:VEN = GND,

PPAK and DFN versions,

-40 °C < TJ < 125 °C

120

ISC

Short-circuit current

0.8

VEN

Enable input logic low

VIN= 2.5 V to 16 V,

-40 °C < TJ < 125 °C

0.8

Enable input logic

high

IEN

Enable pin input

current

VEN = VIN

µA

Power Good output

threshold

Rising edge

0.92*

VADJ

Falling edge

0.8*

VADJ

Power Good output

voltage low

ISINK = 6 mA, open drain output

0.4

a For VOUT < 1.5 V; VIN = 2.5 V.

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