SGM2122-NYN6G datasheet(4/11 Pages) SGMICRO

Part #	SGM2122-NYN6G

Description	Dual, Low Dropout, 250mA LDO Regulators

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Manufacturer	SGMICRO [SG Micro Corp]

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

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4 / 11 page

Dual, Low Dropout,

250mA LDO Regulators

4

SGM2122

SG Micro Corp

www.sg-micro.com

ELECTRICAL CHARACTERISTICS

(VIN = VOUT (NOMINAL) + 0.5V or 2.5V (whichever is greater), TA = -40

℃ to +85℃. Typical values are at TA = +25℃, for each LDO unless

otherwise specified.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage

VIN

2.5

5.5

V

Output Voltage Accuracy

IOUT = 0.1mA, TA = +25

℃

-2

+2

%

Maximum Output Current

(3)

250

mA

Current Limit

ILIM

310

500

mA

Ground Pin Current

IQ

EN = VIN, both LDOs No Load

190

295

μA

IOUT = 1mA

1

Dropout Voltage

(1)

IOUT = 250mA

250

350

mV

Line Regulation

ΔVLNR

VIN = 2.5V or (VOUT + 0.5V) to 5.5V,

IOUT = 1mA

0.02

0.15

%/V

Load Regulation

ΔVLDR

IOUT = 0.1mA to 250mA, COUT = 1µF

0.004

0.01

%/mA

Power Supply Rejection Rate

PSRR

ILOAD = 50mA, COUT = 1µF

f = 100Hz

71

dB

SHUTDOWN

VIH

2.0

EN Input Threshold

VIL

VIN = 2.5V to 5.5V

0.4

V

TA = +25

℃

0.01

1

EN Input Bias Current

IB(SHDN)

EN = 0V and EN = 5.5V

TA = +85

℃

0.01

μA

TA = +25

℃

0.01

1

Shutdown Supply Current

IQ(SHDN)

EN1 = EN2 = 0.4V

TA = +85

℃

0.01

μA

Shutdown Exit Delay

(2)

COUT = 1µF, No load

TA = +25

℃

20

μs

THERMAL PROTECTION

Thermal Shutdown Temperature

TSHDN

155

℃

Thermal Shutdown Hysteresis

ΔTSHDN

20

℃

NOTES:

1. The dropout voltage is defined as VIN - VOUT, when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V. (Only applicable

for VOUT = +2.5V to +3.3V)

2. Time needed for VOUT to reach 95% of final value.

3. Each channel provides 300mA of maximum output current when the condition of dissipating heat is good.

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