UNISONIC TECHNOLOGIES CO., LTD
78MXX
3-TERMINAL 0.5A POSITIVE
VOLTAGE REGULATOR
LINEAR INTEGRATED CIRCUIT
1
1
TO-126
TO-126C
DESCRIPTION
The UTC
78MXX
family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 0.5A.
1
1
TO-220
TO-220F
FEATURES
* Output Current up to 0.5A
* Fixed Output Voltage of 5V, 6V, 8V, 9V, 12V,
15V ,18V and 24V Available
* Thermal Overload Shutdown Protection
* Short Circuit Current Limiting
* Output Transistor SOA Protection
1
TO-92
ORDERING INFORMATION
Normal
78Mxx-T60-K
78Mxx-T6C-K
78Mxx-T92-B
78Mxx-T92-K
78Mxx-TA3-T
78Mxx-TF3-T
Ordering Number
Lead Free
78MxxL-T60-K
78MxxL-T6C-K
78MxxL-T92-B
78MxxL-T92-K
78MxxL-TA3-T
78MxxL-TF3-T
Halogen Free
78MxxG-T60-K
78MxxG-T6C-K
78MxxG-T92-B
78MxxG-T92-K
78MxxG-TA3-T
78MxxG-TF3-T
Package
TO-126
TO-126C
TO-92
TO-92
TO-220
TO-220F
Pin Assignment
1
2
3
I
G
O
I
G
O
O
G
I
O
G
I
I
G
O
I
G
O
Packing
Bulk
Bulk
Tape Box
Bulk
Tube
Tube
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Copyright © 2009 Unisonic Technologies Co., Ltd
1 of 10
QW-R101-004,H
78MXX
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
LINEAR INTEGRATED CIRCUIT
MARKING
TO-220
TO-220F
Voltage Code
Lot Code
UTC
78MXX
L: Lead Free
G: Halogen Free
Date Code
1
05: 5V
06: 6V
08: 8V
09: 9V
12: 12V
15: 15V
18: 18V
24: 24V
2
3
TO-126
TO-126C
TO-92
UNISONIC TECHNOLOGIES CO., LTD
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2 of 10
QW-R101-004,H
78MXX
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
INPUT 1
SERIES
PASS
ELEMENT
3 OUTPUT
CURRENT
GENERATOR
SOA
PROTECTION
R20
STARTING
CIRCUIT
REFERENCE
VOLTAGE
ERROR
AMPLIFIER
THERMAL
PROTECTION
R19
2 GND
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QW-R101-004,H
78MXX
ABSOLUTE MAXIMUM RATINGS
LINEAR INTEGRATED CIRCUIT
(Operating temperature range applies unless otherwise specified)
PARAMETER
SYMBOL
RATING
UNIT
V
OUT
=5~18V
V
35
V
IN
Input Voltage
V
OUT
=24V
40
V
Output Current
I
OUT
0.5
A
Power Dissipation
P
D
Internally Limited
W
Operating Junction Temperature Range
T
OPR
-20 ~ +125
°C
Storage Temperature Range
T
STG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
FOR UTC78M05
(Refer to the test circuits, T
MIN
≤T
J
≤125°C,
I
OUT
=350mA, V
IN
=10V, unless otherwise specified, Ci=0.33μF,Co=0.1μF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
T
J
=25°C
4.80
5.0
5.20
V
Output Voltage
V
OUT
I
OUT
=5mA ~ 350mA
4.75
5.25
V
V
IN
=7~ 20V
T
J
=25°C, I
OUT
=5mA~0.5A
100
mV
Load Regulation
ΔV
OUT
50
mV
T
J
=25°C, I
OUT
=5mA~200mA
V
IN
=7 ~ 25V, T
J
=25°C, I
OUT
=200mA
100
mV
Line regulation
ΔV
OUT
50
mV
V
IN
=8 ~ 25V, T
J
=25°C, I
OUT
=200mA
Quiescent Current
I
Q
T
J
=25°C
4.0
6.0
mA
V
IN
=8 ~ 25V, I
OUT
=200mA
0.8
mA
Quiescent Current Change
ΔI
Q
I
OUT
=5mA~350mA
0.5
mA
Output Noise Voltage
eN
10Hz≤f≤100KHz
40
μV
V
IN
=8 ~ 18V, f=120Hz
62
dB
Ripple Rejection
RR
I
OUT
=300mA
Peak Output Current
I
PEAK
T
J
=25°C
700
mA
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
300
mA
Dropout Voltage
V
D
T
J
=25°C, I
OUT
=500mA
2.0
V
FOR UTC78M06
(Refer to the test circuits, T
MIN
≤T
J
≤125°C,
I
OUT
=350mA,V
IN
=11V, unless otherwise specified, Ci=0.33μF,Co=0.1μF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
T
J
=25°C, I
OUT
=5~350mA
5.76
6.0
6.24
V
Output Voltage
V
OUT
V
IN
=8 ~ 21V,
5.70
6.30
V
I
OUT
=5mA~350mA
T
J
=25°C, I
OUT
=5mA~0.5A
120
mV
Load Regulation
ΔV
OUT
T
J
=25°C, I
OUT
=5mA~200mA
60
mV
V
IN
=8V ~ 25V, T
J
=25°C, I
OUT
=200mA
100
mV
Line regulation
ΔV
OUT
V
IN
=9V ~ 25V, T
J
=25°C, I
OUT
=200mA
50
mV
Quiescent Current
I
Q
T
J
=25°C
4.0
6
mA
I
OUT
=5mA ~ 350mA
0.5
mA
Quiescent Current Change
ΔI
Q
0.8
mA
V
IN
=9V~ 25V, I
OUT
=200mA
Output Noise Voltage
eN
10Hz≤f≤100kHz
45
μV
V
IN
=9V ~ 19V, f=120Hz, T
J
=25°C
59
dB
Ripple Rejection
RR
I
OUT
=300mA
Peak Output Current
I
PEAK
T
J
=25°C
700
mA
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
300
mA
Dropout Voltage
V
D
T
J
=25°C
2.0
V
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QW-R101-004,H
78MXX
ELECTRICAL CHARACTERISTICS (Cont.)
FOR UTC78M08
LINEAR INTEGRATED CIRCUIT
(Refer to the test circuits, T
MIN
≤T
J
≤125°C,
I
OUT
=350mA, V
IN
=14V, unless otherwise specified,Ci=0.33μF,Co=0.1μF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
T
J
=25°C
7.68
8.0
8.32
V
Output Voltage
V
OUT
V
IN
=10.5V ~ 23V,
7.60
8.40
V
I
OUT
=5mA~350mA
T
J
=25°C, I
OUT
=5mA~0.5A
160
mV
Load Regulation
ΔV
OUT
T
J
=25°C, I
OUT
=5mA~200mA
80
mV
V
IN
=10.5V ~ 25V
100
mV
T
J
=25°C, I
OUT
=200mA
Line regulation
ΔV
OUT
V
IN
=11V ~ 25V
50
mV
T
J
=25°C, I
OUT
=200mA
Quiescent Current
I
Q
T
J
=25°C
4.0
6
mA
V
IN
=10.5V ~ 25V, I
OUT
=200mA
0.8
mA
Quiescent Current Change
ΔI
Q
0.5
mA
I
OUT
=5mA~ 350mA
Output Noise Voltage
eN
10Hz≤f≤100KHz
52
μV
V
IN
=11.5V ~ 21.5V,
56
dB
Ripple Rejection
RR
f=120Hz, I
OUT
=300mA
Peak Output Current
I
PEAK
T
J
=25°C
700
mA
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
300
mA
Dropout Voltage
V
D
T
J
=25°C, I
OUT
=500mA
2.0
V
FOR UTC78M09
(Refer to the test circuits, T
MIN
≤T
J
≤125°C,
I
OUT
=350mA, V
IN
=17V, unless otherwise specified,Ci=0.33μF,Co=0.1μF)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
T
J
=25°C
8.64
9
9.36
V
Output Voltage
V
OUT
V
IN
=12.5V ~ 25V,
8.55
9.45
V
I
OUT
=5mA~350mA
T
J
=25°C, I
OUT
=5mA~0.5A
200
mV
Load Regulation
ΔV
OUT
T
J
=25°C, I
OUT
=5mA~200mA
100
mV
V
IN
=12.5V~ 25 V
100
mV
T
J
=25°C, I
OUT
=200mA
Line regulation
ΔV
OUT
V
IN
=13V~ 25V
50
mV
T
J
=25°C, I
OUT
=200mA
Quiescent Current
I
Q
T
J
=25°C
4.1
6
mA
V
IN
=12.5V ~ 25V, I
OUT
=200mA
0.8
mA
Quiescent Current Change
ΔI
Q
0.5
mA
I
OUT
=5mA~350mA
Output Noise Voltage
eN
10Hz<=f<=100kHz
65
μV
V
IN
=13V~ 23V, f=120Hz
55
dB
Ripple Rejection
RR
I
OUT
=300mA
Peak Output Current
I
PEAK
T
J
=25°C
700
mA
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
300
mA
Dropout Voltage
V
D
T
J
=25°C, I
OUT
=500mA
2.0
V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R101-004,H
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