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CM2862
600mA CMOS LDO
2003/12/05 Rev. 1.0
Champion Microelectronic Corporation
Page 3
ABSOLUTE MAXIMUM RATINGS
OPERATING RATINGS
Input Voltage
…………….……………………………. +7V
Output Current
…………………….………………….
1A
Output Voltage
…………………… GND-0.3V to VIN+0.3V
ESD Classification
………………………………………… B
Supply Voltage ………………………………. 4.5V to 5.5V
Ambient Temperature Range (TA) ……... -40℃ to +85℃
Junction Temperature Range
…..…... -40℃ to +125℃
THERMAL INFORMATION
Parameter
Maximum
Unit
Thermal Resistance (Θjc)
SOT-89
100
℃/W
Thermal Resistance (Θja)
SOT-89
180
℃/W
Internal Power Dissipation (PD) (ΔT = 100℃, No Heatsink)
SOT-89
400
mW
Maximum Junction Temperature
150
℃
Maximum Lead Temperature (10 Sec)
300
℃
ELECTRICAL CHARACTERISTICS
TA = +25℃; VIN = VIN(MIN) unless otherwise noted
CM2862
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input Voltage
VIN
Note 1
7
V
Output Voltage Accuracy
VOUT
IO = 1mA
-1.5
1.5
%
1.5V<VO(NOM)<=2.0V
1000
2.0V<VO(NOM)<=2.8V
800
mV
Dropout Voltage
VDROPOUT
IO = 600mA,
VOUT=VO(NOM)-1.5%,
2.8V<VO(NOM)<3.8V
600
mV
Output Current
IO
VOUT > 1.2V
600
mA
Current Limit
ILIM
VOUT > 1.2V, VIN = VIN(MIN)
600
1000
mA
Short Circuit Current
ISC
VOUT < 0.8V
250
mA
Quiescent Current
IQ
IO = 0mA
30
50
μA
Ground Pin Current
IGND
IO = 1mA to 600mA
30
50
μA
VOUT <= 2.0V
0.15
%
Line Regulation
REGLINE
IOUT=5mA, VIN=VOUT+1 to
VOUT+2
VOUT > 2.0V
0.02
0.1
%
Load Regulation
REGLOAD
IO=1mA to 600mA
0.2
1
%
Over Temperature Shutdown
OTS
150
℃
Over Temperature Hystersis
OTH
30
℃
VOUT Temperature Coefficient
TC
30
ppm/℃
f=1kHz
50
f=10kHz
20
Power Supply Rejection
PSRR
IO = 100mA
CO=2.2µF ceramic
f=100kHz
15
dB
CO=2.2µF
30
Output Voltage Noise
eN
f=10Hz to 100kHz
IO = 10mA, CVBG=0µF
CO=100µF
20
μVrms
Note 1. VIN(MIN) = VOUT + VDROPOUT
Note 2. As VIN is larger than VIN(MIN), the Current Limit and output short current Spec value will increase
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