LD39115J12R datasheet(7/23 Pages) STMICROELECTRONICS

部件名	LD39115J12R

功能描述	150 mA low quiescent current low noise voltage regulator

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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LD39115Jxx

Electrical characteristics

Doc ID 15527 Rev 5

7/23

5

Electrical characteristics

TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN = COUT = 1 µF, IOUT = 1 mA, VEN = VIN, unless

otherwise specified.

Table 5.

Electrical characteristics for LD39115Jxx (1)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

1.5

5.5

V

VUVLO

Turn-on threshold

1.45

1.48

V

Turn-off threshold

1.30

1.35

mV

VOUT

VOUT accuracy

VOUT>1.5V, IOUT=1mA, TJ=25°C

-2.0

2.0

%

VOUT>1.5V, IOUT=1mA,

-40°C<TJ<125°C

-3.0

3.0

%

VOUT ≤ 1.5V, IOUT=1mA

±10

mV

VOUT ≤ 1.5V, IOUT=1mA,

-40°C<TJ<125°C

±30

mV

ΔV

OUT

Static line regulation

VOUT +1V ≤ VIN ≤ 5.5V, IOUT=1mA

0.01

%/V

ΔV

OUT

Transient line regulation

(2)

ΔV

IN=+500mV, IOUT=1mA,

TR=TF=5µs

10

mVpp

ΔV

OUT

Static load regulation

IOUT=1mA to 150mA

0.002

%/mA

ΔV

OUT

Transient load

regulation (2)

IOUT=1mA to 150mA, tR=tF=5µs

40

mVpp

VDROP

Dropout voltage (3)

IOUT=100mA, VOUT>1.5V

-40°C<TJ<125°C

80

110

mV

eN

Output noise voltage

10Hz to 100kHz, IOUT=10mA

30

µVRMS/V

SVR

Supply voltage rejection

VOUT = 1.5V

VIN=VOUTNOM+1V+/-VRIPPLE

VRIPPLE=0.1V Freq.=1kHz

IOUT = 10mA

74

dB

VIN=VOUTNOM+0.5V+/-VRIPPLE

VRIPPLE=0.1V Freq.=10kHz

IOUT=10mA

67

IQ

Quiescent current

IOUT=0mA

20

µA

IOUT=0mA, -40°C<TJ<125°C

50

IOUT=0 to 150mA

35

IOUT=0 to 150mA, -40°C<TJ<125°C

70

VIN input current in OFF MODE:

VEN=GND

0.001

1

ISC

Short circuit current

RL=0

200

mA

VEN

Enable input logic low

VIN=1.5V to5.5V, -40°C<TJ<125°C

0.4

V

Enable input logic high

VIN=1.5V to 5.5V, -40°C<TJ<125°C

0.9

IEN

Enable pin input current VSHDN=VIN

0.1

100

nA

TON

Turn on time (4)

30

µs

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