CM2831VIM25 데이터 시트보기 (PDF) - Champion Microelectronic

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CM2831VIM25

300mA CMOS LDO WITH ENABLE

Champion Microelectronic 

CM2831

300mA CMOS LDO WITH ENABLE

ELECTRICAL CHARACTERISTICS

TA = +25℃; unless otherwise noted

Parameter

Input Voltage

Output Voltage Accuracy

Dropout Voltage

Output Current

Current Limit

Short Circuit Current

Quiescent Current

Ground Pin Current

Line Regulation

Load Regulation

Over Temperature Shutdown

Over Temperature Hysteresis

VOUT Temperature Coefficient

Power Supply Rejection

Power Supply Rejection

Output Voltage Noise

Output Voltage Noise

Shutdown Supply Current

EN Input Bias Current

EN Input Threshold

Note 1. VIN(MIN) = VOUT + VDROPOUT

Symbol

Test Conditions

CM2831

Min.

Typ.

VIN

Note 1

VOUT

IO = 1mA to 300mA

-1.5

VDROPOUT IO = 300mA, VOUT=VO(NOM)-2%, VOUT>=2.5V

300

IO = 300mA, VOUT=VO(NOM)-2%, VOUT<2.5V

800

IO

VOUT > 1.2V

300

ILIM

VOUT > 1.2V

300

450

ISC

VOUT < 0.95V

150

IQ

IO = 0mA

30

IGND

IO = 1mA to 300mA

30

REGLINE

IOUT=5mA, VIN=VOUT+1 to

VOUT+2

VOUT <= 3.0V

VOUT > 3.0V

-0.15

-0.3

0.03

0.06

REGLOAD

IO=1mA to 300mA

0.2

OTS

150

OTH

30

TC

25

f=1kHz

60

PSRR

IO = 100mA

f=10kHz

50

CO=2.2µF ceramic

f=100kHz

40

IO = 100mA

f=1kHz

75

PSRR

CO=2.2µF ceramic

f=10kHz

55

CBYP=0.01µF

f=100kHz

30

eN

f=10Hz to 100kHz

CO=2.2µF

30

IO = 10mA, CBYP=0µF

CO=100µF

20

eN

f=10Hz to 100kHz

CO=2.2µF

30

IO = 10mA, CBYP=0.01µF CO=100µF

20

ISD

VIN=5.0V, VOUT=0V, VEN < VEL

2.0

IEH

VEN=VIN, VIN=2.6V to 7V

IEL

VEN=VIN, VIN=2.6V to 7V

1.0

VEH

VIN=2.6V to 7V

VIN/2+0.8V

VEL

VIN=2.6V to 7V

0 VIN/2-0.8V

Max.

7

1.5

300

35

50

0.15

0.3

1

3.0

0.1

3.0

VIN

Unit

V

%

mV

mA

mA

mA

μA

μA

%

%

%

℃

℃

ppm/℃

dB

dB

μVrms

μVrms

μA

μA

μA

V

V

2002/04/12 Rev. 3

Champion Microelectronic Corporation

Page 4

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