ELM85xxxxA CMOS 600mA/800mA LDO voltage regulator
■Standard circuit
Control Voltage
CE
VIN
VOUT
VIN
VOUT
Vin
Vout
Vin
Vout
EL
M85xx3xA
VSS
ELM85xx1xA
Ci
Co
Ci
Co
VSS
■Block diagram
ELM85xx1xA
ELM85xx3xA
VIN
VOUT
VIN
VO
UT
-
-
+
+
Protect
Circuit
Protect
Circuit
Vref
Vref
Control
Circuit
VSS
CE
VSS
■Electrical characteristics (ELM85xx1xA)
Ci=1.0μF, Co=4.7μF, Top=25°C
Vout=3.0V(ELM85301xA), No CE pin
Parameter
Output voltage
Output current
Input stability
Symbol
Vout
Iout
Condition
Vin=4.0V, Iout=40mA
Vin=4.0V
3.5V≤Vin≤6.0V,
Iout=100mA
Vin=4.0V,
Min.
2.940
800
Typ.
3.000
Max.
3.060
Unit
V
mA
ΔVout/ΔVin
ΔVout/ΔIout
Vdif
0.02
20
0.20
60
%/V
mV
mV
Load stability
1mA≤Iout≤300mA
Input-Output
Iout=100mA
Vin=4.0V
55
40
90
voltage differential
Current consumption
Input voltage
Iss
Vin
100
6.0
μA
V
1.4
Output voltage
-40°C≤Top≤+85°C,
Vin=4.0V, Iout=40mA
Vout=0V
ΔVout/ΔTop
±100
ppm/°C
temperature coefficient
Short circuit current
Ripple rejection ratio
Thermal shutdown
temperature
Ilim
RR
70
60
mA
dB
f=1kHz, Iout=40mA
Tsd
165
30
°C
Output noise
Vno
BW=10Hz to 100kHz
13 - 3
μVrms
Rev.1.1
ELM-TECH [ ELM Technology Corporation ]
