CM2841
150mA CMOS LDO WITH EN & PG
ELECTRICAL CHARACTERISTICS
TA = +25℃; unless otherwise noted
CM2841
Parameter
Symbol
Test Conditions
Unit
Min.
Note 1
-1.5
Typ.
Max.
7
Input Voltage
VIN
V
Output Voltage Accuracy
VOUT
IO = 1mA
1.5
%
1.2V< VO(NOM)<=2.0V
1300
800
300
IO = 150mA,
Dropout Voltage
VDROPOUT
mV
2.0V< VO(NOM)<=2.5V
2.5V< VO(NOM)
V
OUT=VO(NOM)-1.5%,
Output Current
Current Limit
IO
ILIM
ISC
IQ
VOUT > 1.2V
150
300
mA
mA
mA
μA
μA
%
VOUT > 1.2V
VOUT < 0.8V
450
150
30
Short Circuit Current
Quiescent Current
Ground Pin Current
300
35
IO = 0mA
IGND
IO = 1mA to 150mA
30
35
VOUT < 2.0V
-0.1
0.02
0.03
0.06
0.2
150
30
0.1
0.15
0.3
1
IOUT=1mA, VIN=VOUT+1 to
VOUT+2
Line Regulation
REGLINE
2.0V<VOUT < 3.0V -.015
%
3.0V<VOUT
IO=1mA to 150mA
-0.3
%
Load Regulation
REGLOAD
OTS
%
℃
Over Temperature Shutdown
Over Temperature Hystersis
VOUT Temperature Coefficient
135
℃
OTH
TC
25
ppm/℃
f=1kHz
f=10kHz
f=100kHz
60
IO = 100mA
Power Supply Rejection
PSRR
dB
50
CO=2.2µF ceramic
40
f=10Hz to 100kHz
IO = 10mA
Output Voltage Noise
EN Input Bias Current
EN Input Threshold
eN
CO=2.2µF
30
μVrms
IEH
IEL
VEN=VIN, VIN=2.7V to 7V
0.1
3.0
μA
μA
V
VEN=0V, VIN=2.7V to 7V
VIN=2.7V to 7V
1.0
VEH
VEL
ISD
VIN/2+0.8V VIN
VIN/2-0.8V
VIN=2.7V to 7V
0
0
V
Shutdown Supply Current
Shutdown Output Voltage
VIN=5.0V, VOUT=0V, VEN < VEL
IO=150mA
2.0
3.0
0.1
85
85
1
μA
V
VO, SD
2.5V<=VOUT <= 5.0V
1.2V<=VOUT <= 2.5V
VPG = 7V
Output Under Voltage
VUV
%V O(NOM)
PG Leakage Current
PG Voltage Rating
PG Voltage Low
ILC
VPG
μA
V
VOUT in regulation
ISINK = 2mA
7
VOL
0.1
5
V
Delay Time to PG
tDELAY
1
ms
Note 1. VIN(MIN) = VOUT + VDROPOUT
2004/05/14 Rev. 1.3
Champion Microelectronic Corporation
Page 4
ETC [ ETC ]
