UNISONIC TECHNOLOGIES CO., LTD
78MXX
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 8
Copyright 2005 Unisonic Technologies Co., Ltd
QW-R101-004,F
3-TERMINAL 0.5A POSITIVE
VOLTAGE REGULATOR
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.
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
TO-92
1
TO-126
1
TO-220
1
TO-126C
1
TO-220F
1
*Pb-free plating product number: 78MXXL
ORDERING INFORMATION
Order Number
Pin Assignment
Normal
Lead Free Plating
Package
1 2 3
Packing
78Mxx-T60-D-K 78MxxL-T60-D-K TO-126
I
G
O
Bulk
78Mxx-T6C-D-K 78MxxL-T6C-D-K
TO-126C
I
G
O
Bulk
78Mxx-T92-B-B 78MxxL-T92-B-B TO-92
O
G
I
Tape
Box
78Mxx-T92-B-K 78MxxL-T92-B-K TO-92
O
G
I
Bulk
78Mxx-TA3-D-T
78MxxL-TA3-D-T
TO-220 I G
O Tube
78Mxx-TF3-D-T 78MxxL-TF3-D-T
TO-220F
I
G
O
Tube
78MxxL-T60-D-K
(1)Packing Type
(3)Package Type
(4)Lead Plating
(5)Output Voltage
(2)Pin Assignment
(1) B: Tape Box, K: Bulk, T: Tube
(2) refer to Pin Assignment
(3) T60: TO-126, T6C: TO-126C, T92: TO-92,
TA 3: TO-220, TF3: TO-220F
(4) L: Lead Free Plating, Blank: Pb/Sn
(5) xx: refer to Marking Information
78MXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
2 of 8
www.unisonic.com.tw
QW-R101-004,F
MARKING INFORMATION
PACKAGE VOLTAGE
CODE
MARKING
TO-220
TO-220F
1
2
3
UTC
78MXX
VOLTAGE CODE
DATE CODE
LEAD PLATING
TO-126
TO-126C
1
2
3
VOLTAGE CODE
DATE CODE
LEAD PLATING
UTC
78MXX
TO-92
0 5 : 5 V
0 6 : 6 V
0 8 : 8 V
0 9 : 9 V
1 2 : 1 2 V
1 5 : 1 5 V
1 8 : 1 8 V
2 4 : 2 4 V
1
2
3
UTC
78MXX
VOLTAGE CODE
DATE CODE
LEAD PLATING
78MXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
3 of 8
www.unisonic.com.tw
QW-R101-004,F
BLOCK DIAGRAM
SERIES
PASS
ELEMENT
CURRENT
GENERATOR
SOA
PROTECTION
STARTING
CIRCUIT
REFERENCE
VOLTAGE
ERROR
AMPLIFIER
THERMAL
PROTECTION
INPUT
1
OUTPUT
3
GND
2
R20
R19
REFERENCE
VOLTAGE
78MXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
4 of 8
www.unisonic.com.tw
QW-R101-004,F
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
PARAMETER SYMBOL
RATING
UNIT
V
OUT
=5~18V
35
V
Input Voltage
V
OUT
=24V
V
IN
40 V
Output Current
I
OUT
0.5 A
Power Dissipation
P
D
Internally
Limited W
Operating Junction Temperature Range
T
OPR
0 ~ +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=0.33uF,Co=0.1uF)
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
V
IN
=7~ 20V
4.75 5.25
V
T
J
=25
C, I
OUT
=5mA-0.5A
100
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=5mA-200mA
50
mV
V
IN
=7 ~ 25V, T
J
=25
C, I
OUT
=200mA
100
mV
Line regulation
V
OUT
V
IN
=8 ~ 25V, T
J
=25
C, I
OUT
=200mA
50
mV
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
I
Q
I
OUT
=5mA-350mA
0.5
mA
Output Noise Voltage
eN
10Hz<=f<=100KHz
40
uV
Ripple Rejection
RR
V
IN
=8 ~ 18V, f=120Hz
I
OUT
=300mA
62 dB
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=0.33uF,Co=0.1uF)
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,
I
OUT
=5mA-350mA
5.70 6.30
V
T
J
=25
C, I
OUT
=5mA-0.5A
120
mV
Load Regulation
V
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
V
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
I
Q
V
IN
=9V~ 25V, I
OUT
=200mA
0.8
mA
Output Noise Voltage
eN
10Hz<=f<=100kHz
45
uV
Ripple Rejection
RR
V
IN
=9V ~ 19V, f=120Hz, T
J
=25
C
I
OUT
=300mA
59 dB
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
78MXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
5 of 8
www.unisonic.com.tw
QW-R101-004,F
ELECTRICAL CHARACTERISTICS (Cont.)
FOR UTC78M08
(Refer to the test circuits, T
MIN
T
J
125
C, I
OUT
=350mA, V
IN
=14V, unless otherwise specified,Ci=0.33uF,Co=0.1uF)
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,
I
OUT
=5mA-350mA
7.60 8.40
V
T
J
=25
C, I
OUT
=5mA-0.5A
160
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=5mA-200mA
80
mV
V
IN
=10.5V ~ 25V
T
J
=25
C, I
OUT
=200mA
100
mV
Line regulation
V
OUT
V
IN
=11V ~ 25V
T
J
=25
C, I
OUT
=200mA
50
mV
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
I
Q
I
OUT
=5mA~ 350mA
0.5
mA
Output Noise Voltage
eN
10Hz<=f<=100KHz
52
uV
Ripple Rejection
RR
V
IN
=11.5V ~ 21.5V,
f=120Hz, I
OUT
=300mA
56 dB
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=0.33uF,Co=0.1uF)
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,
I
OUT
=5mA-350mA
8.55 9.45
V
T
J
=25
C, I
OUT
=5mA-0.5A
200
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=5mA-200mA
100
mV
V
IN
=12.5V~ 25 V
T
J
=25
C, I
OUT
=200mA
100
mV
Line regulation
V
OUT
V
IN
=13V~ 25V
T
J
=25
C, I
OUT
=200mA
50
mV
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
I
Q
I
OUT
=5mA-350mA
0.5
mA
Output Noise Voltage
eN
10Hz<=f<=100kHz
65
uV
Ripple Rejection
RR
V
IN
=13V~ 23V, f=120Hz
I
OUT
=300mA
55 dB
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
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