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CM2835
300mA CMOS LDO
2006/01/23 Rev1.2
Champion Microelectronic Corporation
Page 4
ELECTRICAL CHARACTERISTICS
TA = +25
℃; unless otherwise noted
CM2835
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input Voltage
VIN
Note 1
7
V
Output Voltage Accuracy
VOUT
IO = 1mA to 300mA
-1.5
1.5
%
1.2V<VO(NOM)
≤ 2.0V
1300
2.0V<VO(NOM)
≤ 2.5V
800
Dropout Voltage
VDROPOUT
IO = 300mA,
VOUT=VO(NOM)-1.5%,
2.5V<VO(NOM)
300
mV
Output Current
IO
VOUT > 1.2V
300
mA
Current Limit
ILIM
VOUT > 1.2V
300
450
mA
Quiescent Current
IQ
IO = 0mA
30
35
μ
A
Ground Pin Current
IGND
IO = 1mA to 300mA
30
50
μ
A
Line Regulation
REGLINE
IOUT=5mA, VIN=VOUT+1 to VOUT+2
-0.1
0.02
0.1
%
Load Regulation
REGLOAD
IO=1mA to 300mA
0.2
1
%
Over Temperature Shutdown
OTS
150
℃
Over Temperature Hysteresis
OTH
30
℃
VOUT Temperature Coefficient
TC
40
ppm/℃
f=1kHz
60
f=10kHz
50
Power Supply Rejection
PSRR
IO = 100mA
CO=2.2μF ceramic
f=100kHz
40
dB
f=1kHz
75
f=10kHz
55
Power Supply Rejection
PSRR
IO = 100mA
CO=2.2μF ceramic
CBYP=0.01μF
f=100kHz
30
dB
CO=2.2μF
30
Output Voltage Noise
eN
f=10Hz to 100kHz
IO = 10mA, CBYP=0μF
CO=100μF
20
μ
Vrms
CO=2.2μF
30
Output Voltage Noise
eN
f=10Hz to 100kHz
IO = 10mA, CBYP=0.01μF
CO=100μF
20
μ
Vrms
Note 1.
VIN(MIN) = VOUT + VDROPOUT
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