LDO514 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Lista de partido

LDO514

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

STMicroelectronics 

LDO_514

ELECTRICAL CHARACTERISTICS : STAND-BY MODE

3V < VIN < 5.5V, -30°C < TA < +85°C, VREF = 2.8V, COUT = 4.7µF ±20%, 20mΩ < ESR < 0.6Ω.

ILOAD = 500µA.

Typical case : VIN = 4V, Ambient temperature, ILOAD = 500µA.

Parameter

Symbol

Test Condition

Min. Typ. Max. Unit

Output current in stand-by mode

IOUTSTDBY

Quiescent Current in stand-by mode ISTDBY

Power Supply Rejection Ratio in

stand-by mode

PSRRSTY

Line Regulation in stand-by mode

Load Regulation in stand-by mode

LirSTBY

LdrSTBY

ILOAD = 500µA

f = 10KHz

VIN = 3V to 5.5V

ILOAD = 100µA - 500µA

200

µA

15

20

55

dB

2

mV

1

mV

TYPICAL CHARACTERISTICS

Figure 3 : PSRR vs Freq for Various Voltage Drop

(VOUT = 2.8V, Full Load)

-15

Figure 4 : Output Voltage vs. Input Voltage

(VOUT = 2.8V, Full Load)

2805

-25

2803

-35

-45

150m V

-55

-65

1

170m V

200m V

2V

10

100

10000

1000000

1000

100000

10000000

FREQUENCY (Hz)

2801

2799

Full Load

2797

2795

3.00 3.20 3.40 3.50 3.80 4.00 4.50 5

5.1

INPUT VOLTAGE (V)

Figure 5 : Output Voltage vs Output Current (Load Regulation)

2750

2740

2730

2720

2710

10

Vin=3.0V

Vin=4.0V

Vin=5.5V

60

110

160

210

OUTPUT CURRENT (mA)

3/4

Share Link: