5

Electrical characteristics

(TJ = 25 °C, VIN = VOUT+1 V; VOUT = VADJ; CIN = 10 µF; COUT = 10 µF; IOUT = 10 mA; VEN = VIN)

Table 5. Electrical characteristics, adjustable version

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

range

1.25

6.0

V

VADJ

Adjustable pin voltage

0.5

V

Adjustable pin voltage

accuracy

TJ = 25 °C

-1.0

1.0

%

-40 °C < TJ < 125 °C

-2.0

2.0

IADJ

Adjustable pin current

-40 °C < TJ < 125 °C

100

nA

∆VADJ%/

∆VIN

Static line regulation

VOUT + 1 V < VIN < 6.0 V; TJ = 25 °C

0.01

%/V

-40 °C < TJ < 125 °C

0.2

∆VADJ%/

∆IOUT

Static load regulation

0 mA < IOUT < 2 A; TJ = 25 °C

0.1

%/A

-40 °C < TJ < 125 °C

0.4

VDROP

Dropout voltage (1)

VIN = 1.4 V; IOUT = 1 A;

-40 °C < TJ < 125 °C

120

250

mV

VIN = 2.5 V; IOUT = 2 A;

-40 °C < TJ < 125 °C

135

250

VIN = 5.3 V; IOUT = 2 A;

-40 °C < TJ < 125 °C

110

250

eN

Output noise voltage

VOUT = VADJ ;

f = 10 Hz to 100 kHz

45

µVRMS /

VOUT

eN

Output noise voltage

VIN = VOUT + 0.4 V, IOUT = 700 mA;

CIN = COUT = 10 µF, R2 = 10 kΩ,

R1 = (VOUT – 0.5) x 20 kΩ,

Cbyp = 470 nF

24

µVRMS

SVR

Supply voltage rejection

VOUT = 1.8 V; VIN = VOUT+0.5 V;

COUT = 10 µF; IOUT = 10 mA;

TJ = 25 °C; f = 1 kHz

70

dB

VOUT = 1.8 V; VIN = VOUT + 0.5 V;

COUT = 10 µF; IOUT = 10 mA;

TJ = 25 °C; f = 100 kHz

50

VOUT = 1.8 V; VIN = VOUT + 0.5 V;

COUT = 10 µF; IOUT = 10 mA;

TJ = 25 °C; f = 500 kHz

50

dB

VOUT = 1.8 V; VIN = VOUT + 0.5 V;

COUT = 10 µF; IOUT = 10 mA;

TJ = 25 °C; f = 1 MHz

40

LD39200

Electrical characteristics

DS10079 - Rev 3

page 6/29