LD39100PU25R datasheet(6/23 Pages) STMICROELECTRONICS

Il numero della parte	LD39100PU25R

Spiegazioni elettronici	1 A, low quiescent current, low noise voltage regulator

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Electrical characteristics

LD39100XX, LD39100XX12, LD39100XX25

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Doc ID 15676 Rev 3

4

Electrical characteristics

TJ = 25 °C, VIN = 1.8 V, CIN = COUT = 1 µF, IOUT = 100 mA, VEN = VIN, unless otherwise

specified.

Table 6.

Electrical characteristics for the LD39100PU

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

1.5

5.5

V

VADJ

VADJ accuracy

IOUT=10mA, TJ = 25°C

784

800

816

mV

IOUT=10mA, -40°C<TJ<125°C

776

800

824

IADJ

Adjust pin current

1µA

ΔV

OUT

Static line regulation

VOUT+1 V ≤ VIN ≤ 5.5 V,

IOUT=100mA

0.01

%/V

ΔV

OUT

Transient line regulation (1)

ΔV

IN=500mV, IOUT=100mA, tR=5µs

10

mVpp

ΔV

IN=500mV, IOUT=100mA, tF=5µs

10

ΔV

OUT

Static load regulation

IOUT=10mA to 1A

0.002

%/mA

ΔV

OUT

Transient load regulation (1)

IOUT=10mA to 1A, tR=5µs

40

mVpp

IOUT=1A to 10mA, tF=5µs

40

VDROP Dropout voltage

(2)

IOUT=1A, VO fixed to 1.5V

-40°C<TJ<125°C

200

400

mV

eN

Output noise voltage

10Hz to 100kHz, IOUT=100mA,

VOUT=0.8V

30

µVRMS

SVR

Supply voltage rejection

VO = 0.8 V

VIN=1.8V+/-VRIPPLE

VRIPPLE=0.25V, freq. = 1kHz

IOUT=10mA

65

dB

VIN=1.8V+/-VRIPPLE

VRIPPLE=0.25V, freq.=10kHz

IOUT=100mA

62

IQ

Quiescent current

IOUT=0mA

20

µA

IOUT=0mA, -40°C<TJ<125°C

50

IOUT=0 to 1A

200

IOUT=0 to 1A, -40°C<TJ<125°C

300

VIN input current in off mode:

VEN=GND

(3)

0.001

1

PG

Power good output threshold

Rising edge

0.92*

VOUT

V

Falling edge

0.8*

VOUT

Power good output voltage low Isink=6mA open drain output

0.4

V

ISC

Short-circuit current

RL=0

1.5

A

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