LDO514 datasheet(2/4 Pages) STMICROELECTRONICS | IP Library: High PSRR, Very Low power, 200mA Low Dropout Voltage Regulator

Part No.	LDO514

Description	IP Library: High PSRR, Very Low power, 200mA Low Dropout Voltage Regulator

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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LDO_514

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ELECTRICAL CHARACTERISTICS

3V < VIN < 5.5V, -55°C < TA < +125°C, COUT = 1µF ±20%, 20mΩ < ESR < 0.6Ω, ILOAD = 200mA.

Typical case : VIN = 4V, T = 25°C, COUT = 1µF.

Notes: 1. Above characteristics are given for 3V minimum input operating range voltage, but regulator is

operational with 2.7V minimum input voltage.

2. All parameters are guaranteed with 170mV min Dropout voltage.

Parameter

Symbol

Test Condition

Min.

Typ.

Max.

Unit

Input Voltage Range (Note 1)

VIN

3

5.5

V

Output Voltage

VOUT

2.8

V

Output Voltage Accuracy

3

%

Output current

IOUT

200

mA

Dropout Voltage

∆V

DO

∆V

OUT = 50mV,

ILOAD = 200mA

50

mV

(Note 2)

170

Quiescent current

IQ

ILOAD = 100µA

70

110

µA

ILOAD = 20mA

90

130

ILOAD = 200mA

320

440

Power down mode quiescent

current

IQPDM

Power down active

100

nA

Power Supply Rejection Ratio

PSRR

DC

65

dB

f = 10KHz

60

f = 100KHz

50

Line Regulation

LIR

ILOAD = 200mA,

VIN = 3V to 5.5V

1.5

2.5

mV

Load Regulation

LDR

ILOAD = 100µA - 200mA

35

40

mV

Line Transient

LIRT

∆V

IN = 300mV

tRISE = tFALL = 10µs

<1

mV

Load Transient

LDTR

ILOAD = 100µA - 200mA

in 10µs

0.5

1

mV

Output Noise Voltage

en

100Hz

1400

1KHz

450

10KHz

150

enRMS

BW : 100Hz to 100KHz

45

µVRMS

Output decoupling Capacitor

COUT

1µF

Settling time

ILOAD = 200mA

15

30

µs

Short Circuit Current Limit

ISHORT

800

mA

nV

Hz

------------

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