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CM2852 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part No. CM2852
Description  300mA CMOS LDO WITH EN & PG
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Maker  ETC1 [List of Unclassifed Manufacturers]
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CM2852 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

 
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CM2852
300mA CMOS LDO WITH EN & PG
2003/12/05 Rev. 1.1
Champion Microelectronic Corporation
Page 4
ELECTRICAL CHARACTERISTICS
TA = +25℃; unless otherwise noted
CM2852
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input Voltage
VIN
Note 1
7
V
Output Voltage Accuracy
VOUT
IO = 1mA
-2.5
2.5
%
1.2V< VO(NOM)<=2.0V
1300
2.0V< VO(NOM)<=2.5V
800
Dropout Voltage
VDROPOUT
IO = 300mA,
VOUT=VO(NOM)-2.5%,
2.5V< VO(NOM)
300
mV
Output Current
IO
VOUT > 1.2V
150
mA
Current Limit
ILIM
VOUT > 1.2V
450
mA
Short Circuit Current
ISC
VOUT < 0.8V
150
300
mA
Quiescent Current
IQ
IO = 0mA
30
35
μA
Ground Pin Current
IGND
IO = 1mA to 300mA
30
35
μA
VOUT < 2.0V
-0.1
0.02
0.1
%
2.0V<VOUT < 3.0V
-.015
0.03
0.15
%
Line Regulation
REGLINE
IOUT=1mA, VIN=VOUT+1 to
VOUT+2
3.0V<VOUT
-0.3
0.06
0.3
%
Load Regulation
REGLOAD
IO=1mA to 300mA
0.2
1
%
Over Temperature Shutdown
OTS
135
150
Over Temperature Hysteresis
OTH
30
VOUT Temperature Coefficient
TC
25
ppm/℃
f=1kHz
60
f=10kHz
50
Power Supply Rejection
PSRR
IO = 100mA
CO=2.2µF ceramic
f=100kHz
40
dB
Output Voltage Noise
eN
f=10Hz to 100kHz
IO = 10mA
CO=2.2µF
30
μVrms
IEH
VEN=VIN, VIN=2.7V to 7V
0.1
μA
EN Input Bias Current
IEL
VEN=0V, VIN=2.7V to 7V
1.0
3.0
μA
VEH
VIN=2.7V to 7V
VIN/2+0.8V
VIN
V
EN Input Threshold
VEL
VIN=2.7V to 7V
0
VIN/2-0.8V
V
Shutdown Supply Current
ISD
VIN=5.0V, VOUT=0V, VEN < VEL
2.0
3.0
μA
Shutdown Output Voltage
VO, SD
IO=300mA
0
0.1
V
2.5V<=VOUT <= 5.0V
85
Output Under Voltage
VUV
1.2V<=VOUT <= 2.5V
85
%V O(NOM)
PG Leakage Current
ILC
VPG = 7V
1
μA
PG Voltage Rating
VPG
VOUT in regulation
7
V
PG Voltage Low
VOL
ISINK = 2mA
0.1
V
Delay Time to PG
tDELAY
VIN=2.5V to 6.0V (Note 2)
1
7
ms
Note 1. VIN(MIN) = VOUT + VDROPOUT
Note 2: Delay time will be varied by input voltage, but the delay time will still be in the
spec from 1ms to 7ms when VIN rise time <2ms.


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