SG2004-2.8 datasheet(3/12 Pages) SGMICRO

Part #	SG2004-2.8

Description	400mA, Low Power, Low Noise, Low Dropout, Linear Regulators

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Manufacturer	SGMICRO [SG Micro Corp]

Direct Link	http://www.sg-micro.com

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SG2003/A

SG2004/A

３

ELECTRICAL CHARACTERISTICS

(VIN = VOUT (NOMINAL) +1V, TA = - 40°C to +125°C, unless otherwise noted. Typical values are at TA = + 25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage

VIN

2.5

5.5

V

IOUT = 0.1mA, VOUT ≥2.5V, TA = +25°C

-1.6

1.6

IOUT = 0.1mA to 400mA, VOUT ≥2.5V

TA = 0°C to +70°C

2.5

IOUT = 0.1mA to 400mA, VOUT ≥2.5V

TA = - 40°C to +125°C

2.9

Output Voltage Accuracy

IOUT = 0.1mA to 400mA, VOUT,＜2.5V

TA = - 40°C to +125°C

3.1

%

SG2003

400

(Note1)

mA

Output Current

SG2004

400

mA

Current Limit

ILIM

410

750

mA

VOUT≤3.3V

77

130

No load, EN = 2V

VOUT＞3.3V

77

145

Ground Pin Current

IQ

IOUT = 400mA, EN = 2V

120

µA

IOUT = 1mA

0.8

Dropout Voltage(Note2)

IOUT = 400mA

280

440

mV

Line Regulation

ΔVLNR

VIN = 2.5V or (VOUT + 0.1V) to 5.5V,

IOUT = 1mA

0.004

0.15

%/V

Load Regulation

ΔVLDR

IOUT = 0.1mA to 400mA, COUT = 1µF

0.0005

0.002

%/mA

Output Voltage Noise

en

f = 10Hz to 100KHz,

CBP = 0.01µF

COUT = 10µF

30

µVRMS

f = 100Hz,

74

dB

Power Supply Rejection Rate

PSRR

CBP = 0.1µF, ILOAD = 50mA,

COUT = 1µF

f = 1KHz,

54

dB

SHUTDOWN

VIH

2.0

EN Input Threshold

VIL

VIN = 2.5V to 5.5V

0.4

V

TA = +25°C

0.01

1

EN Input Bias Current

IB(SHDN)

EN = 0V and EN = 5.5V

TA = +125°C

0.01

µA

TA = +25°C

0.01

1

Shutdown Supply Current

IQ(SHDN)

EN = 0.4V

TA = +125°C

0.01

µA

Shutdown Exit Delay(Note3)

CBP = 0.01µF

COUT = 1µF, no load

TA = +25°C

30

µs

THERMAL PROTECTION

Thermal Shutdown Temperature

TSHDN

160

℃

Thermal Shutdown Hysteresis

ΔTSHDN

15

℃

Specifications subject to change without notice.

Note 1: SG2003 series’ output current is 400mA peak.

Note 2: The dropout voltage is defined as VIN - VOUT, when VOUT is 100mV below the value of VOUT for VIN = VOUT + 1V.

(Only applicable for VOUT = +2.5V to +4.5V)

Note 3: Time needed for VOUT to reach 95% of final value.

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