LDBL20 datasheet(7/19 Pages) STMICROELECTRONICS

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LDBL20

Electrical characteristics

DocID028296 Rev 1

7/19

Electrical characteristics

TJ = 25 °C, VIN = VOUT(NOM) + 1 V or 1.5 V, whichever is greater, CIN = COUT = 1 µF, IOUT = 1

mA, VEN = VIN, unless otherwise specified.

Table 4: LDBL20 electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

1.5

5.5

VOUT

VOUT accuracy

IOUT = 1 mA, TJ = 25 °C

-1.5

+1.5

IOUT = 1 mA,

-40 °C<TJ<125 °C

-3

∆VOUT

Static line regulation(1)

VOUT(NOM)

+ 1 V ≤ VIN ≤ 5.5 V,

IOUT = 10 mA

0.02

%/V

-40 °C<TJ<125 °C

0.2

∆VOUT

Static load regulation

IOUT = 0 mA to 200 mA

-40 °C<TJ<125 °C

0.01

%/mA

VDROP

Dropout voltage

IOUT = 30 mA,

VOUT = 2.8 V

IOUT = 200 mA,

VOUT = 2.8 V,

-40 °C<TJ<125 °C

200

350

Output noise voltage

10 Hz to 100 kHz,

IOUT = 10 mA

µVRMS

SVR

Supply voltage rejection

VIN = VOUT(NOM)+ 1 V +/- VRIPPLE

VRIPPLE = 0.2 V

Frequency =1 kHz

IOUT = 30 mA

VIN = VOUT(NOM)+ 1 V +/- VRIPPLE

VRIPPLE = 0.2 V

Frequency = 100 kHz

IOUT = 30 mA

Quiescent current

IOUT = 0 mA

µA

IOUT = 200 mA

100

IStandby

Standby current

VIN input current in OFF mode:

VEN = GND

0.03

0.2

µA

ISC

Short-circuit current

RL = 0

250

350

RON

Output voltage

discharge MOSFET

(LD39020DT only)

100

Ω

VEN

Enable input logic low

VIN = 1.5 V to 5.5 V

-40 °C<TJ<125 °C

0.4

Enable input logic high

VIN = 1.5 V to 5.5 V

-40 °C<TJ<125 °C

IEN

Enable pin input current

VEN = VIN

100

TON(2)

Turn-on time

100

µs

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