CM2852 Datasheet, PDF (4/10 Pages) List of Unclassifed Manufacturers – 300mA CMOS LDO WITH EN & PG

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