LDOC515 datasheet(2/4 Pages) STMICROELECTRONICS

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LDOC_515

2/4

ELECTRICAL CHARACTERISTICS

3V < VIN < 5.5V, -30°C < TA < +85°C, COUT = 4.7µF ±20%, 20mΩ < ESR < 0.6Ω, ILOAD = 100mA.

Typical case : VIN = 4V, T = 25°C, COUT = 4.7µF.

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 150mV min Dropout voltage.

Parameter

Symbol

Test Condition

Min.

Typ.

Max.

Unit

Input Voltage Range (Note 1)

VIN

5.5

Output Voltage

VOUT

2.8

Output Voltage Accuracy

Output current

IOUT

100

Dropout Voltage

∆V

OUT = 50mV,

ILOAD = 100mA

(Note 2)

150

Quiescent current

ILOAD = 100µA

µA

ILOAD = 100mA

170

220

Power down mode quiescent

current

IQPDM

Power down active

100

Power Supply Rejection Ratio

PSRR

DC ; Dropout = 200mV

f = 10KHz

f = 100KHz

Line Regulation

LIR

ILOAD = 100mA,

VIN = 3V to 5.5V

2.5

3.5

Load Regulation

LDR

ILOAD = 100µA - 100mA

Line Transient

LIRT

∆V

IN = 300mV

tRISE = tFALL = 5µs

1.5

Load Transient

LDTR

ILOAD = 100µA - 100mA

in 5µs

Output Noise Voltage

100Hz

1KHz

650

10KHz

250

enRMS

BW : 100Hz to 100KHz

µVRMS

Output decoupling Capacitor

COUT

4.7

µF

Settling time

ILOAD = 100mA

120

µs

Short Circuit Current Limit

ISHORT

400

700

µV

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