ME6118
1A Adjustable Voltage High Speed LDO Regulators ME6118 Series
General Description
The ME6118 series are highly accurate, low noise,
LDO Voltage Regulators that are capable of
providing an output current that is in excess of 1A
with a maximum dropout voltage of 1.3V at 1A
（ME6118A33）.This
series contains four fixed
output voltages of 1.2V, 1.8V, 2.5V and 3.3V that
have no minimum load requirement to maintain
regulation.
On
chip
trimming
adjusts
the
Features
Output Current in Excess of 1A
Dropout Voltage:80mV@ I
OUT
=100mA
（ME6118A33）
Operating Voltage Range: 2.5V½18V
Highly Accuracy: ±
2％
Adjustable Output Voltage Option
Standby Current: 52uA（TYP.）
High Ripple Rejection: 70dB@1KHz（ME6118A33）
Line Regulation: 2mV（TYP.）
Temperature Stability≤0.5%
Thermal Shutdown Protection：160℃
reference/output voltage to within ±2% accuracy.
Internal protection features consist of output
current limiting, safe operating area compensation,
and thermal shutdown. The ME6118series can
operate with up to 18V input.
Typical Application
Consumer and Industrial Equipment Point of
Regulation
Switching Power Supply Post Regulation
Hard Drive Controllers
Battery Chargers
Package
3-pin SOT223
，
SOT23-3，
SOT89-3，
TO252-2L
Typical Application Circuit
V10.0
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Page 1 of 17
ME6118
Selection Guide
ME 6118X X X X X G
Environment mark
Package:
B3-SOT223
M3-SOT23-3
P-SOT89-3
K3-TO252-2L
Output Voltage
Different pin
Product Type
Product Series
Microne
product series
ME6118A12B3G
ME6118A18B3G
ME6118A25B3G
ME6118A33B3G
ME6118A50B3G
ME6118E25B3G
ME6118E33B3G
ME6118A33M3G
ME6118H33M3G
ME6118A33PG
ME6118L50K3G
product description
V
OUT
=1.2V； Package：SOT223
V
OUT
=1.8V； Package：SOT223
V
OUT
=2.5V； Package：SOT223
V
OUT
=3.3V； Package： SOT223
V
OUT
=5.0V； Package：SOT223
V
OUT
=2.5V； Package：SOT223； Different pin
V
OUT
=3.3V； Package：SOT223； Different pin
V
OUT
=3.3V； Package：SOT23-3
V
OUT
=3.3V； Package：SOT23-3； Different pin
V
OUT
=3.3V； Package：SOT89-3
V
OUT
=5.0V； Package：TO252-2L； Different pin
NOTE:
At present ,there are five kinds of voltage value：1.2V、1.8V、2.5V、3.3V、5.0V。
If you need other voltage and package, please contact our sales staff。
V10.0
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Page 2 of 17
ME6118
Block Diagram
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Output Voltage
SOT223
ThetaJa
SOT89-3
TO252-2L
SOT23-3
Operating Temperature Range
Storage Temperature Range
Lead Temperature
T
OPR
T
STG
θja
Symbol
V
IN
I
OUT
V
OUT
Ratings
18
1.1
Vss-0.3½V
IN
+0.3
70
100
56
230
－40½＋125
－40½＋150
260℃，4sec
℃
℃
℃/W
Units
V
A
V
Electrical Characteristics
ME6118A12/E12/H12/L12 (Packages:SOT223
，SOT89-3,TO252-2L)
(V
IN
= V
OUT
+1.3V，C
IN=
C
L
=10uF，Ta=25
O
C, unless otherwise noted)
Parameter
Output Voltage
Maximum Output
Current
Load Regulation
Symbol
V
OUT
(E)
(Note 2)
I
OUTMAX
∆V
OUT
V
DIF1
Dropout Voltage
(Note 3)
Quiescent Current
Line Regulation
V
DIF2
V
DIF3
V
DIF4
I
ss
∆V
OUT
Conditions
I
OUT
=10mA,
V
IN
= V
OUT
+1.3V
V
IN
= V
OUT
+1.3V
V
IN
= V
OUT
+1.3V ,
1mA≤I
OUT
≤800mA
I
OUT
=100mA
I
OUT
=400mA
I
OUT
=800mA
I
OUT
=1000mA
V
IN
= V
OUT
+1.3V
I
OUT
=0mA
Min.
X 0.98
Typ.
V
OUT
(T)
(Note 1)
800
3
195
665
1250
1600
53
2
Max.
X 1.02
Units
V
mA
mV
mV
mV
mV
mV
uA
mV
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Page 4 of 17
ME6118
V
OUT
+1.3V ≤V
IN
≤18V
Thermal Shutdown
Protection
Over Current
Protection
T
sd
I
limit
I
OUT
=10mA,
V
IN
= V
OUT
+1.3V
V
IN
=3V
155
1.1
℃
A
ME6118A18/E18/H18/L18 (Packages:SOT223
，SOT89-3,TO252-2L)
(V
IN
= V
OUT
+1.2V，C
IN=
C
L
=10uF，Ta=25
O
C, unless otherwise noted)
Parameter
Output Voltage
Maximum Output
Current
Load Regulation
Symbol
V
OUT
(E)
(Note 2)
I
OUTMAX
∆V
OUT
V
DIF1
Dropout Voltage
(Note 3)
Quiescent Current
Line Regulation
Thermal Shutdown
Protection
Over Current
Protection
V
DIF2
V
DIF3
V
DIF4
I
ss
∆V
OUT
T
sd
I
limit
Conditions
I
OUT
=10mA
V
IN
= V
OUT
+1.2V
V
IN
= V
OUT
+1.2V
V
IN
= V
OUT
+1.2V ,
1mA≤I
OUT
≤800mA
I
OUT
=100mA
I
OUT
=400mA
I
OUT
=800mA
I
OUT
=1000mA
V
IN
= V
OUT
+1.2V
I
OUT
=0mA
V
OUT
+1.2V ≤V
IN
≤18V
I
OUT
=10mA
V
IN
= V
OUT
+1.2V
V
IN
=3.5V
Min.
X 0.98
Typ.
V
OUT
(T)
(Note 1)
800
5
115
450
940
1600
52
2
160
1.1
Max.
X 1.02
Units
V
mA
mV
mV
mV
mV
mV
uA
mV
℃
A
ME6118A25/E25/H25/L25 (Packages:SOT223
，SOT89-3,TO252-2L)
(V
IN
= V
OUT
+1.2V，C
IN=
C
L
=10uF，Ta=25
O
C, unless otherwise noted)
Parameter
Output Voltage
Maximum Output
Current
Load Regulation
Symbol
V
OUT
(E)
(Note 2)
I
OUTMAX
∆V
OUT
V
DIF1
Dropout Voltage
(Note 3)
Quiescent Current
Line Regulation
Thermal Shutdown
V10.0
V
DIF2
V
DIF3
V
DIF4
I
ss
∆V
OUT
T
sd
Conditions
I
OUT
=10mA,
V
IN
= V
OUT
+1.2V
V
IN
= V
OUT
+1.2V
V
IN
= V
OUT
+1.2V ,
1mA≤I
OUT
≤800mA
I
OUT
=100mA
I
OUT
=500mA
I
OUT
=800mA
I
OUT
=1000mA
V
IN
= V
OUT
+1.2V
I
OUT
=0mA
V
OUT
+1.2V ≤V
IN
≤18V
I
OUT
=10mA,
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Min.
X 0.98
Typ.
V
OUT
(T)
(Note 1)
800
5
90
450
790
1300
53
2
160
Max.
X 1.02
Units
V
mA
mV
mV
mV
mV
mV
uA
mV
℃
Page 5 of 17
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