78MXX
Three-terminal positive Voltage Regulator
Shaoxing Silicore Technology Co.,Ltd CHMC May. 2023 Rev. 2.1
www. silicore. com. cn
Page 1 of 8
General Description
The 78MXX(78M33/78M05/78M06/78M08/78M09/78M12/78M15) family is
monolithic fixed voltage regulator integrated circuit. They are suitable for applications that
required supply current up to 0.5 A.
Features
⚫ Output Current Up To 0.5 A
⚫ Fixed Output Voltage Of 3.3V, 5V, 6V, 8V, 9V, 12Vand 15V Available
⚫ Thermal Overload Shutdown Protection
⚫ Short Circuit Current Limiting
⚫ Output Transistor SOA Protection
Pin Connection
Typical Application Circuits
TO252-2
78MXX
78MXX
Shaoxing Silicore Technology Co.,Ltd CHMC May. 2023 Rev. 2.1
www. silicore. com. cn
Page 2 of 8
Absolute Maximum Ratings (T
J
=25℃, unless otherwise specified)
Characteristic
Value
Value
Unit
Input Voltage
Vi
35
V
Thermal Resistance Junction-Case
RθJC
10
C/W
Thermal Resistance Junction-Air
RθJA
93
C/W
Operating Temperature Range
T
OPR
-40~+85
C
Storage Temperature Range
T
STG
-55~+150
C
Electrical Characteristics
(Unless otherwise specified, -40℃＜T
J
＜85℃,Io=500mA, Vi=10V, Ci=0.33µF, Co=0.1µF)
For 78M33(unless otherwise noted, Vi=9V,Io=350mA, 0℃<Tj<125℃,C1=0.33µF,Co=0.1µF)
Characteristics
Symbol
Test Conditions
Min
Typ
Max
Unit
Output Voltage
Vo
T
J
=+25°C, Io=5mA~0.5A
3.16
3.3
3.43
V
5.3V≤Vi≤20V,Io=5mA～0.5A
3.13
3.3
3.46
Line Regulation*
ΔVo
5.3V≤Vi≤25V T
J
=25℃,Io=200mA
4.0
100
mV
6.3V≤Vi≤20V,T
J
=25℃,Io=200mA
2
80
Load Regulation*
ΔVo
T
J
=25℃,Io=5mA～0.5A
25
100
mV
T
J
=25℃,Io=5mA～200mA
10
50
Quiescent Current
I
Q
T
J
=+25℃,Io=0.5A
4
6
mA
Quiescent Current
Change
ΔI
Q
6.3V≤Vi≤25V,Io=200mA
0.8
mA
5mA≤Io≤0.35A
0.5
Output Noise Voltage
V
N
10Hz≤ f ≤100kHz, T
J
=25℃
40
200
µV
Ripple Rejection
RR
6.3V≤Vi≤18V,f=120Hz,
Io=300mA, T
J
=25℃
56
80
dB
Dropout Voltage
Vd
T
J
=+25°C
2
V
Short Circuit Current
Limit
I
SC
Vi=30V,Vo=0V,T
J
=+25°C
0.8
A