LDL212 datasheet(7/28 Pages) STMICROELECTRONICS

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LDL212

Electrical characteristics

DocID028297 Rev 2

7/28

Electrical characteristics

TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN

= 1 μF, COUT = 4.7 μF, IOUT = 10 mA, VEN = VIN, unless

otherwise specified. a

Table 4: Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating

input voltage

2.5

VUVLO

Turn-on

threshold

2.3

2.4

Hysteresis

200

VOUT

VOUT accuracy

IOUT = 10 mA

-2

TJ = 25 °C

IOUT = 10 mA

-3

-40 °C < TJ < 125 °C

VADJ

Adjustable pin

voltage

VIN = 2.5 V IOUT = 10 mA

TJ = 25 °C

1.18

-2

VIN = 2.5 V IOUT = 10 mA

-40 °C < TJ < 125 °C

-3

IADJ

Adjustable pin

current

VIN = 2.5 V IOUT = 10 mA

ΔVOUT

Line regulation

VOUT

+ 1 V ≤ VIN ≤ 18 V

IOUT = 10 mA

0.002

0.01

%/V

ΔVOUT

Load

regulation

IOUT = 10 mA to 1.2 A

0.0001

0.0005

%/mA

VDROP

Dropout

voltage (1)

IOUT = 1.2 A VOUT > 3 V

-40 °C < TJ < 125 °C

350

600

Output noise

voltage

10 Hz to 100 kHz,

IOUT = 100 mA

µVRMS/VOUT

SVR

Supply voltage

rejection

VIN = VOUT(NOM) + 1 V ± VRIPPLE

VRIPPLE = 0.5 V,

f = 120 Hz

VIN = VOUT(NOM) + 1 V ± VRIPPLE

VRIPPLE = 0.5 V, f = 1 kHz

VIN = VOUT(NOM) + 1 V ± VRIPPLE

VRIPPLE = 0.5 V, f = 100 kHz

Quiescent

current

IOUT = 0 mA to 1.2 A

-40 °C < TJ < 125 °C

250

380

µA

VIN input current in OFF mode

0.3

1.5

a For VOUT(NOM) ≤ 1.5 V, VIN = 2.7 V.

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