LD3985XX Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

LD3985XX

Ultra low drop-low noise BiCMOS voltage regulators low ESR capacitors compatible

STMicroelectronics 

LD3985xx

5

Electrical characteristics

Electrical characteristics

TJ = 25 °C, VI = VO(NOM) +0.5 V, CI = 1 µF, CBYP = 10 nF, IO = 1 mA, VINH = 1.4 V, unless

otherwise specified.

Table 5.

Symbol

Electrical characteristics for LD3985

Parameter

Test conditions

VI Operating input voltage

VO Output voltage < 2.5 V

IO = 1 mA

TJ= -40 to 125°C

VO Output voltage ≥ 2.5 V

IO = 1 mA

TJ= -40 to 125°C

ΔVO Line regulation (1)

VI = VO(NOM) + 0.5 to 6 V

TJ= -40 to 125°C

VO = 4.7 to 5V

ΔVO Load regulation

IO = 1 mA to 150mA, VO < 2.5V

TJ= -40 to 125°C

ΔVO Load regulation

IO = 1 mA to 150mA, VO ≥ 2.5V

TJ= -40 to 125°C (for flip-chip)

IO = 1 mA to 150mA, TJ= -40 to 125°C

(for SOT23-5L/TSOT23-5L), VO ≥ 2.5V

ΔVO

Output AC Line regulation VI = VO(NOM) + 1 V, IO = 150mA,

(2)

tR= tF = 30µs

IO = 0

Quiescent current

IO = 0, TJ= -40 to 125°C

ON MODE: VINH = 1.2 V IO = 0 to 150mA

IQ

IO = 0 to 150mA, TJ= -40 to 125°C

OFF MODE: VINH = 0.4 V

TJ= -40 to 125°C

IO = 1mA

IO = 1mA, TJ= -40 to 125°C

IO = 50mA

VDROP Dropout voltage (3)

IO = 50mA, TJ= -40 to 125°C

IO = 100mA

IO = 100mA, TJ= -40 to 125°C

IO = 150mA

IO = 150mA, TJ= -40 to 125°C

ISC Short circuit current

RL = 0

Min.

2.5

-50

-75

-2

-3

Typ.

Max. Unit

6

V

50

mV

75

2

% of

3 VO(NOM)

-0.1

-0.19

0.1

%/V

0.19

0.002 0.008 %/mA

0.0004 0.002

0.0025 0.005

%/mA

1.5

85

150

170

250

0.003

1.5

0.4

2

20

35

45

70

60

100

600

mVPP

µA

mV

mA

Doc ID 9587 Rev 14

7/23

Share Link: