ME6239
250mA, 30V Vin, Output overshoot control LDO_ME6239
General Description
Features
ME6239 series are low-dropout linear voltage
High output accuracy:± 1%
regulators with a built-in voltage reference module, error
Output voltage overshoot control
amplifier module and feedback resistance network.
Input voltage:up to 30 V
ME6239 can deliver 250mA output current and allow an
Output voltage:1.5V ~ 12V
input voltage as high as 30V.This series has the
Ultra-low quiescent current (Typ.= 1.5 µ A)
function of internal feedback resistor setting from 1.5V
Output Current:IOUT = 250mA
(When VIN = 6.5V and VOUT =5.0V)
to 12V.
Short-circuit Current:(Typ.= 42mA)
Low temperature coefficient
Ceramic capacitor can be used
Typical Application
Package
Electronic weighbridge
Water meters, power meters
Plaything
Phones, cordless phones
3-pin SOT23-3、SOT89-3
Typical Application Circuit
VOUT
VIN
ME6239
CIN
10uF
GND
Cout
10uF
Suggesting: The circuit uses the electrolytic capacitors or tantalum capacitors in the best ,When VIN is higher than
15V.
V04
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Page 1 of 10
ME6239
Selection Guide
ME 62 39 X XX XX G
Environment mark
Package
M3:SOT23-3
P:SOT89-3
Output Voltage
30:3.0V
33:3.3V
36:3.6V
50:5.0V
Function
Product Type
Product Series
Microne
product series
product description
ME6239A50M3G
VOUT=5.0V; Package: SOT23-3
ME6239A50PG
VOUT=5.0V; Package: SOT89-3
ME6239A36M3G
VOUT =3.6V;Package: SOT23-3
ME6239A36PG
VOUT =3.6V;Package: SOT89-3
ME6239A33M3G
VOUT=3.3V; Package: SOT23-3
ME6239A33PG
VOUT=3.3V; Package: SOT89-3
ME6239A30M3G
VOUT=3.0V; Package: SOT23-3
ME6239A30PG
VOUT=3.0V; Package: SOT89-3
NOTE: If you need other voltage and package, please contact our sales staff。
V04
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Page 2 of 10
ME6239
Pin Configuration
VIN
3
1
2
GND
VOUT
1
2
3
GND
VIN
VOUT
SOT23-3
SOT89-3
Pin Assignment
Pin Number
Pin Name
Functions
1
GND
Ground
2
3
VIN
Power Input
3
2
VOUT
Output
SOT89-3
SOT23-3
1
Block Diagram
VIN
VOUT
Current
Limit
+
Voltage
Reference
GND
V04
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Page 3 of 10
ME6239
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Units
Input Voltage
VIN
30
V
Output Current
IOUT
250
mA
Output Voltage
VOUT
Vss-0.3~VIN +0.3
V
SOT23-3
Internal Power Dissipation
SOT89-3
SOT23-3
Thermal resistance
(Junction to air)
SOT89-3
PD
θJA
300
mW
500
330
℃/W
200
Operating Ambient Temperature
TOPR
-40~+85
℃
Storage Temperature Range
TSTG
-55~+150
℃
Maximum Junction Temperature Range
TJ
-40~+150
℃
Lead Temperature
260℃,10sec
Electrical Characteristics
ME6239A30
(VIN= VOUT+1.5V,CIN=CL=10uF,Ta=25OC, unless otherwise noted)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
X 0.99
VOUT (T)
(Note 1)
X 1.01
V
3.0
-
30
V
Output Voltage
VOUT(E)
(Note 2)
Input Voltage
VIN
Maximum Output
Current
IOUT _max
VIN= VOUT+1.5V
-
250
-
mA
Load Regulation
∆VOUT
VIN= VOUT +1.5V,
1mA≤IOUT≤200mA
-
30
60
mV
170
-
mV
VDIF
IOUT =50mA
-
Dropout Voltage(Note 3)
IOUT =100mA
-
340
-
mV
IOUT=10mA
Supply Current
ISS
VIN= VOUT +1.0V
-
1.5
2.5
μA
Line Regulations
ΔVOUT
ΔVIN VOUT
IOUT =1mA
VOUT +1.0V ≤VIN≤30V
-
0.06
0.1
%/V
Short-circuit Current
ISHORT
VOUT=0V
-
42
80
mA
Temperature Coefficient
ΔVOUT
VOUT ΔTa
IOUT =10mA
-40℃≤Ta≤85℃
-
65
-
ppm/℃
Min.
Typ.
Max.
Units
X 0.99
VOUT (T)
(Note 1)
X 1.01
V
3.3
-
30
V
-
250
-
mA
ME6239A33
(VIN= VOUT+1.5V,CIN=CL=10uF,Ta=25OC, unless otherwise noted)
Parameter
Symbol
Output Voltage
VOUT(E)
(Note 2)
Input Voltage
VIN
Maximum Output
Current
IOUT _max
V04
Conditions
IOUT=10mA
VIN= VOUT+1.5V
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Page 4 of 10
ME6239
Load Regulation
∆VOUT
Dropout Voltage(Note 3)
VDIF
VIN= VOUT +1.5V,
1mA≤IOUT≤200mA
-
30
60
mV
IOUT =50mA
-
170
-
mV
IOUT =100mA
-
340
-
mV
Supply Current
ISS
VIN= VOUT +1.0V
-
1.5
2.5
μA
Line Regulations
ΔVOUT
ΔVIN VOUT
IOUT =1mA
VOUT +1.0V ≤VIN≤30V
-
0.06
0.1
%/V
Short-circuit Current
ISHORT
VOUT=0V
-
42
80
mA
Temperature Coefficient
ΔVOUT
VOUT ΔTa
IOUT =10mA
-40℃≤Ta≤85℃
-
65
-
ppm/℃
Min.
Typ.
Max.
Units
X 0.99
VOUT (T)
(Note 1)
X 1.01
V
3.6
-
30
V
ME6239A36
(VIN= VOUT+1.5V,CIN=CL=10uF,Ta=25OC, unless otherwise noted)
Parameter
Symbol
Conditions
Output Voltage
VOUT(E)
(Note 2)
Input Voltage
VIN
Maximum Output
Current
IOUT _max
VIN= VOUT+1.5V
-
250
-
mA
Load Regulation
∆VOUT
VIN= VOUT +1.5V,
1mA≤IOUT≤200mA
-
30
60
mV
170
-
mV
VDIF
IOUT =50mA
-
Dropout Voltage(Note 3)
IOUT =100mA
-
340
-
mV
IOUT=10mA
Supply Current
ISS
VIN= VOUT +1.0V
-
1.5
2.5
μA
Line Regulations
ΔVOUT
ΔVIN VOUT
IOUT =1mA
VOUT +1.0V ≤VIN≤30V
-
0.06
0.1
%/V
Short-circuit Current
ISHORT
VOUT=0V
-
42
80
mA
Temperature Coefficient
ΔVOUT
VOUT ΔTa
IOUT =10mA
-40℃≤Ta≤85℃
-
65
-
ppm/℃
Min.
Typ.
Max.
Units
X 0.99
VOUT (T)
(Note 1)
X 1.01
V
5.0
-
30
V
ME6239A50
(VIN= VOUT+1.5V,CIN=CL=10uF,Ta=25OC, unless otherwise noted)
Parameter
Symbol
Conditions
Output Voltage
VOUT(E)
(Note 2)
Input Voltage
VIN
Maximum Output
Current
IOUT _max
VIN= VOUT+1.5V
-
250
-
mA
Load Regulation
∆VOUT
VIN= VOUT +1.5V,
1mA≤IOUT≤200mA
-
30
60
mV
190
-
mV
VDIF
IOUT =50mA
-
Dropout Voltage(Note 3)
IOUT =100mA
-
380
-
mV
V04
IOUT=10mA
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Page 5 of 10
ME6239
Supply Current
ISS
VIN= VOUT +1.0V
-
1.5
2.5
μA
Line Regulations
ΔVOUT
ΔVIN VOUT
IOUT =1mA
VOUT +1.0V ≤VIN≤30V
-
0.06
0.1
%/V
Short-circuit Current
ISHORT
VOUT=0V
-
42
80
mA
Temperature Coefficient
ΔVOUT
VOUT ΔTa
IOUT =10mA
-40℃≤Ta≤85℃
-
65
-
ppm/℃
Note :
1. VOUT (T) :Specified Output Voltage
2.VOUT (E) :Effective Output Voltage ( ie. The output voltage when “VOUT (T)+ 2.0V”is provided at the VIN pin
while maintaining a certain IOUT value.)
3.VDIF:VIN1 –VOUT (E)’
VIN1 :The input voltage when VOUT(E)’ appears as input voltage is gradually decreased.
VOUT (E)’=A voltage equal to 98% of the output voltage whenever an amply stabilized IOUT and {VOUT
(T)+2.2V} is input.
Type Characteristics
(1)Output Voltage VS. Output Current (Ta = 25 °C) (2)Output Voltage VS. Input Voltage( Ta = 25 °C)
ME6239A33(VIN=VOUT+1.5V)
ME6228A33 (Iout=1mA)
(3)Quiescent Current VS. Input Voltage(Ta = 25 °C)(4) Output Voltage VS. Temperature
ME6228A33
ME6239A33 (IOUT=10mA)
V04
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Page 6 of 10
ME6239
Applications Information
Input Capacitor and Output Capacitor
Ceramic capacitors are suitable for smaller volume applications because of its high capacitance and low cost. Its
high ripple current, high voltage rating and low ESR make it more suitable for converter applications. The low output
voltage ripple and small peripheral circuit size can be obtained by using ceramic capacitor. The X5R or X7R models
are selected as output and input capacitors, which have better temperature and voltage characteristics.
When the VIN voltage is greater than 15V, if the input capacitor is ceramic capacitor, the high voltage spike
generated at the VIN pin will exceed 40V, which may cause permanent damage to the chip. Therefore, we suggest
that customers using electrolytic or tantalum capacitors with better power consumption in the application of VIN>15V,
can effectively protect chips and improve system reliability.
When the VIN voltage is very fast, the internal circuit of the chip is too late to respond and the output voltage is
prone to exceed the rated output voltage, that is, the output voltage overshoot., the overshoot of the output voltage is
especially serious in the following: 1. VIN rising fast. 2. The output capacitance is small. 3. The output load is small.
When the system has the output voltage overshoot, the customers can increase the output capacitance to alleviate
this situation.
V04
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Page 7 of 10
ME6239
Packaging Information
Packaging Type: SOT23-3
Millimeters
Inches
DIM
Min
Max
Min
Max
A
1.05
1.45
0.0413
0.0571
A1
0
0.15
0.0000
0.0059
A2
0.9
1.3
0.0354
0.0512
A3
0.6
0.7
0.0236
0.0276
b
0.25
0.5
0.0098
0.0197
c
0.1
0.25
0.0039
0.0098
D
2.8
3.1
0.1102
0.1220
E
2.6
3.1
0.1023
0.1220
E1
1.5
1.8
0.0591
0.0709
e
0.95(TYP)
L
0.25
L1
0.0374(TYP)
0.6
0.0098
0.59(TYP)
θ
0
c1
0.0232(TYP)
8°
0.2(TYP)
V04
0.0236
www.microne.com.cn
0.0000
8°
0.0079(TYP)
Page 8 of 10
ME6239
Packaging Type: SOT89-3
Millimeters
Inches
DIM
Min
Max
Min
Max
A
1.4
1.6
0.0551
0.0630
b
0.32
0.52
0.0126
0.0205
b1
0.4
0.58
0.0157
0.0228
c
0.35
0.45
0.0138
0.0177
D
4.4
4.6
0.1732
0.1811
D1
1.55(TYP)
0.061(TYP)
D2
1.75(TYP)
0.0689(TYP)
e1
3.0(TYP)
0.1181(TYP)
E
2.3
2.6
0.0906
0.1023
E1
3.94
4.4
0.1551
0.1732
E2
1.9(TYP)
0.0748(TYP)
e
1.5(TYP)
0.0591(TYP)
L
0.8
θ
1.2
45°
V04
0.0315
0.0472
45°
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Page 9 of 10
ME6239
The contents of this document will be updated with the product's improvement without prior
notice. Please consult our sales staff before using this document to ensure that you are using
The application circuit examples described in this document are only used to indicate the
Please use this product within the limits stated in this document. We will not be responsible for
any damage caused
The products described in this document are not allowed to be used in equipment or devices
that affect the human body without the written permission of our company, including but not
limited to: health equipment, medical equipment, disaster prevention equipment, fuel control
equipment, automobile equipment, a
Although our company has always been committed to improving product quality and reliability,
semiconductor products have a certain probability of malfunction or wrong work. To prevent
personal injury or property damage caused by such accidents, please pay full attention to
safety design, for example: Alternate design, fire protection design, and prevention of wrong
When exporting this product or this document overseas, you should abide by applicable import
Copying or reprinting part or all of this document in any form without the permission of our
company is strictly prohibited.
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Page 10 of 10
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