ELM85xxxxA
CMOS 600mA/800mA LDO voltage regulator
■General description
ELM85xxxxA is CMOS voltage regulator which is characterized with high current and low dropout (55mV at
Iout=100mA). There are 2 types of CE selection of ELM85 series: non-chip enable function and “H” active.
The standard output voltages are 3.0V, 3.3V, 5.0V. ELM85 series can also be made as semi-custom IC within
the range of 0.8V to 5.0V by 0.1V step. This series also includes short circuit current limiter and thermal
shutdown circuit. Ceramic capacitors with low ESR can be used as input and output ones.
■Features
• Output voltage range
• Output current
•
•
•
•
•
•
•
: 0.8V to 5.0V (by 0.1V)
: 600mA(Vout<3.0V)
800mA(Vout≥3.0V)
Current consumption
: Typ.40μA
Input stability
: Typ.0.02%/V
Load stability
: Typ.20mV(1mA≤Iout≤300mA)
Accuracy of output voltage
: ±2.0%
Input-output voltage difference : Typ.55mV(Vout=3.0V, Iout=100mA)
Short circuit current limiter
: Typ.70mA(Vout=0V)
Package
: SOT-223(0.8V to 5.0V), SON8-3x3(1.2V to 4.0V)
SOT-89(1.2V to 4.0V), SOT-89-5(1.2V to 4.0V)
(0.8V to 1.1V, 4.1V to 5.0V are available in SOT-223 package only.)
■Application
• Battery operated devices
• Portable AV equipments
■Maximum absolute ratings
Input voltage
Output voltage
Output current
Parameter
Symbol
Vin
Vout
Iout
Pd
Limit
Vss-0.3 to 7.0
Vss-0.3 to Vin+0.3
1000
500 (SOT-89)
500 (SOT-89-5)
500 (SON8-3x3)
625 (SOT-223)
48(SON8-3x3)
160 (SOT-223 )
200 (SOT-89)
200 (SOT-89-5)
-40 to +85
-55 to +125
Unit
V
V
mA
mW
Power dissipation
Thermal resistance junction toambient
Operating temperature
Storage temperature
Rθja
Top
Tstg
°C/W
°C
°C
13 - 1
Rev.1.1
ELM85xxxxA
CMOS 600mA/800mA LDO voltage regulator
■Selection guide
ELM85xxxxA-x
Symbol
a, b
Output voltage
e.g. :
30: Vout=3.0V
33: Vout=3.3V
50: Vout=5.0V
1: NO CE
3: CE=“H” active
c
d
e
f
CE selection
A: SOT-89, SOT-89-5
Package
G: SON8-3x3
H: SOT-223
Product version A
S: SOT-223, SOT-89, SOT-89-5, SON8-3x3
Taping direction N: SOT-89, SOT-89-5, SON8-3x3
Refer to PKG file
ELM85 x x x x A - x
↑ ↑ ↑ ↑ ↑ ↑
a b c d e f
■Pin configuration
SOT-223(TOP VIEW)
TAB
SOT-89(TOP VIEW)
SOT-89-5(TOP VIEW)
5
4
1
2
3
1
2
3
1
2
3
ELM85xx1HA
Pin No.
Pin name
1
VSS
2/TAB
VIN
3
VOUT
SON8-3x3(TOP VIEW)
(TOP VIEW)
(TOP VIEW)
8
7
6
ELM85xx1AA
Pin No.
Pin name
1
VSS
2
VIN
3
VOUT
SON8-3x3(BOTTOM VIEW)
6
7
8
5
ELM85xx3AA
Pin No.
Pin name
1
VSS
2
VIN
3
VOUT
4
NC
5
CE
(BOTTOM VIEW)
(BOTTOM VIEW)
8
5
7
6
5
5
6
7
8
*
*
1
2
3
1
4
2
3
4
4
3
2
4
1
3
2
1
ELM85xx3GA
Pin No. Pin name Pin No. Pin name
1
VOUT
5
NC
2
VOUT
6
CE
3
VIN
7
NC
4
VIN
8
VSS
* The potential of the tab on the back is the circuit one (VIN). Please
set it to be open or connect to VIN pin(recommended).
Rev.1.1
13 - 2
ELM85xxxxA
CMOS 600mA/800mA LDO voltage regulator
■Standard circuit
Control Voltage
CE
Vin
Ci
VIN
ELM85xx1xA
VSS
VOUT
Vout
Vin
VIN
ELM85xx3xA
VSS
VOUT
Vout
Co
Ci
Co
■Block diagram
ELM85xx1xA
VIN
-
+
Protect
Circuit
Vref
ELM85xx3xA
VOUT
VIN
VOUT
-
+
Vref
Protect
Circuit
VSS
CE
Control
Circuit
VSS
■Electrical characteristics (ELM85xx1xA)
Vout=3.0V(ELM85301xA), No CE pin
Parameter
Output voltage
Output current
Input stability
Load stability
Input-Output
voltage differential
Current consumption
Input voltage
Output voltage
temperature coefficient
Short circuit current
Ripple rejection ratio
Thermal shutdown
temperature
Output noise
Symbol
Vout
Iout
Condition
Vin=4.0V, Iout=40mA
Vin=4.0V
3.5V≤Vin≤6.0V,
ΔVout/ΔVin
Iout=100mA
Vin=4.0V,
ΔVout/ΔIout
1mA≤Iout≤300mA
Vdif
Iss
Vin
ΔVout/ΔTop
Ilim
RR
Tsd
Vno
BW=10Hz to 100kHz
Iout=100mA
Vin=4.0V
-40°C≤Top≤+85°C,
Vin=4.0V, Iout=40mA
Vout=0V
f=1kHz, Iout=40mA
1.4
Ci=1.0μF, Co=4.7μF, Top=25°C
Min.
Typ.
Max.
Unit
2.940
3.000
3.060
V
800
mA
0.02
20
55
40
±100
70
60
165
30
0.20
60
90
100
6.0
%/V
mV
mV
μA
V
ppm/°C
mA
dB
°C
μVrms
13 - 3
Rev.1.1
ELM85xxxxA
CMOS 600mA/800mA LDO voltage regulator
Vout=3.3V(ELM85331xA), No CE pin
Parameter
Output voltage
Output current
Input stability
Load stability
Input-Output
voltage differential
Current consumption
Input voltage
Output voltage
temperature coefficient
Short circuit current
Ripple rejection ratio
Thermal shutdown
temperature
Output noise
Symbol
Vout
Iout
Condition
Vin=4.3V, Iout=40mA
Vin=4.3V
3.8V≤Vin≤6.0V,
ΔVout/ΔVin
Iout=100mA
Vin=4.3V,
ΔVout/ΔIout
1mA≤Iout≤300mA
Vdif
Iss
Vin
ΔVout/ΔTop
Ilim
RR
Tsd
Vno
BW=10Hz to 100kHz
Iout=100mA
Vin=4.3V
-40°C≤Top≤+85°C,
Vin=4.3V, Iout=40mA
Vout=0V
f=1kHz, Iout=40mA
Ci=1.0μF, Co=4.7μF, Top=25°C
Min.
Typ.
Max.
Unit
3.234
3.300
3.366
V
800
mA
0.02
20
55
1.4
40
±100
70
60
165
30
0.20
60
90
100
6.0
%/V
mV
mV
μA
V
ppm/°C
mA
dB
°C
μVrms
Vout=5.0V(ELM85501HA), No CE pin
Parameter
Output voltage
Output current
Input stability
Load stability
Input-Output
voltage differential
Current consumption
Input voltage
Output voltage
temperature coefficient
Short circuit current
Ripple rejection ratio
Thermal shutdown
temperature
Output noise
Symbol
Vout
Iout
Condition
Vin=6.0V, Iout=40mA
Vin=6.0V
5.5V≤Vin≤6.0V,
ΔVout/ΔVin
Iout=100mA
Vin=6.0V,
ΔVout/ΔIout
1mA≤Iout≤300mA
Vdif
Iss
Vin
ΔVout/ΔTop
Ilim
RR
Tsd
Vno
BW=10Hz to 100kHz
Iout=100mA
Vin=6.0V
-40°C≤Top≤+85°C,
Vin=6.0V, Iout=40mA
Vout=0V
f=1kHz, Iout=40mA
Ci=1.0μF, Co=4.7μF, Top=25°C
Min.
Typ.
Max.
Unit
4.900
5.000
5.100
V
800
mA
0.02
20
52
1.4
40
±100
70
60
165
30
0.20
60
85
100
6.0
%/V
mV
mV
μA
V
ppm/°C
mA
dB
°C
μVrms
* ELM8550 is only available in SOT-223 package.
13 - 4
Rev.1.1
ELM85xxxxA
CMOS 600mA/800mA LDO voltage regulator
■Electrical characteristics (ELM85xx3AA)
Vout=3.0V(ELM85303AA), CE=“H” active
Parameter
Output voltage
Output current
Input stability
Load stability
Input-Output
voltage differential
Current consumption
Standby current consumption
Input voltage
CE input voltage High
CE input voltage Low
CE input current High
CE input current Low
Output voltage
temperature coefficient
Short circuit current
Ripple rejection ratio
Thermal shutdown temperature
Output noise
Ci=1.0μF, Co=4.7μF, Top=25°C
Symbol
Condition
Min. Typ. Max. Unit
Vout
Vin=4.0V, Iout=40mA
2.940 3.000 3.060
V
Iout
Vin=4.0V
800
mA
ΔVout/ΔVin 3.5V≤Vin≤6.0V, Iout=100mA
0.02 0.20
%/V
ΔVout/ΔIout Vin=4.0V,1mA≤Iout≤300mA
20
60
mV
Vdif
Iss
Istandby
Vin
Vceh
Vcel
Iceh
Icel
ΔVout/ΔTop
Ilim
RR
Tsd
Vno
Iout=100mA
Vin=4.0V
Vin=4.0V, Vce=0V
Vin=6.0V
Vin=1.4V
Vce=Vin=6.0V
Vce=Vss, Vin=6.0V
-40°C≤Top≤+85°C,
Vin=4.0V, Iout=40mA
Vout=0V
f=1kHz, Iout=40mA
BW=10Hz to 100kHz
55
40
1.4
1.8
0.0
-0.2
-0.2
±100
70
60
165
30
90
100
0.5
6.0
Vin
0.2
0.2
0.2
mV
μA
μA
V
V
V
μA
μA
ppm/°C
mA
dB
°C
μVrms
Vout=3.3V(ELM85333AA), CE=
“
H” active
Parameter
Output voltage
Output current
Input stability
Load stability
Input-Output
voltage differential
Current consumption
Standby current consumption
Input voltage
CE input voltage High
CE input voltage Low
CE input current High
CE input current Low
Output voltage
temperature coefficient
Short circuit current
Ripple rejection ratio
Thermal shutdown temperature
Output noise
Ci=1.0μF, Co=4.7μF, Top=25°C
Symbol
Condition
Min. Typ. Max. Unit
Vout
Vin=4.3V, Iout=40mA
3.234 3.300 3.366
V
Iout
Vin=4.3V
800
mA
ΔVout/ΔVin 3.8V≤Vin≤6.0V, Iout=100mA
0.02 0.20
%/V
ΔVout/ΔIout Vin=4.3V,1mA≤Iout≤300mA
20
60
mV
Vdif
Iss
Istandby
Vin
Vceh
Vcel
Iceh
Icel
Iout=100mA
Vin=4.3V
Vin=4.3V, Vce=0V
55
40
1.4
1.8
0.0
-0.2
-0.2
±100
70
60
165
30
90
100
0.5
6.0
Vin
0.2
0.2
0.2
mV
μA
μA
V
V
V
μA
μA
ppm/°C
mA
dB
°C
μVrms
Vin=6.0V
Vin=1.4V
Vce=Vin=6.0V
Vce=Vss, Vin=6.0V
-40°C≤Top≤+85°C,
ΔVout/ΔTop
Vin=4.3V, Iout=40mA
Ilim
Vout=0V
RR
f=1kHz, Iout=40mA
Tsd
Vno
BW=10Hz to 100kHz
13 - 5
Rev.1.1
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