LDK220 datasheet(7/28 Pages) STMICROELECTRONICS

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LDK220

Electrical characteristics

DocID026015 Rev 4

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Electrical characteristics

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

= 1 μF, IOUT = 1 mA, VEN = VIN, unless

otherwise specified.

Table 6: LDK220 electrical characteristics for fixed output version

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input

voltage

2.5

13.2

VOUT

VOUT accuracy

IOUT = 1 mA, TJ = 25 °C

-2

IOUT = 1 mA, -40 °C < TJ < 125 °C

-3

ΔVOUT

Static line

regulation

VOUT

+ 1 V ≤ VIN ≤ 13.2 V,

IOUT = 1 mA

0.001

0.05

%/V

ΔVOUT

Static load

regulation

IOUT = 1 mA to 200 mA

0.001

0.003

%/mA

VDROP

Dropout voltage (1)

IOUT = 100 mA, VOUT = 3.3 V

100

IOUT = 200 mA, VOUT = 3.3 V

40 °C < TJ < 125 °C

200

350

Output noise

voltage

10 Hz to 100 kHz, IOUT = 10 mA

µVRMS/V

SVR

Supply voltage

rejection

VIN = VOUTNOM+ 0.5 V+/-VRIPPLE

VRIPPLE = 0.1 V

frequency = 120 Hz to 1 kHz

IOUT = 10 mA

VIN = VOUTNOM + 0.5 V+/-VRIPPLE

VRIPPLE = 0.1 V

frequency = 10 kHz

IOUT = 10 mA

Quiescent current

VIN = VOUT +1 V

IOUT = 0 mA,-40 °C < TJ < 125 °C

µA

VOUT

+1 V ≤ VIN ≤ 13.2 V (2)

IOUT = 200 mA,

-40 °C < TJ < 125 °C

100

VIN input current in off mode:

VEN = GND, TJ = 25 °C

0.1

ISC

Short-circuit

current (2)

RL = 0

400

VEN

Enable input logic

low

VIN = 2.5 V to 13.2 V,

-40 °C < TJ < 125 °C

0.4

Enable input logic

high

VIN = 2.5 V to 13.2 V,

-40 °C < TJ < 125 °C

1.2

IEN

Enable pin input

current

VEN = VIN

0.1

100

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