UNISONIC TECHNOLOGIES CO., LTD
78LXX
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 8
Copyright 2005 Unisonic Technologies Co., Ltd
QW-R101-001,G
3-TERMINAL 0.1A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC 78LXX family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 100mA.
FEATURES
*Output current up to 100mA
*Fixed output voltage of 5V, 6V, 8V, 9V, 12V, 15V, 18V and 24V
available
*Thermal overload shutdown protection
*Short circuit current limiting
TO-92
1
SOP-8
SOT-89
1
* Pb-free plating product number: 78LXXL
ORDERING INFORMATION
Order Number
Pin Assignment
Normal
Lead Free Plating
1 2 3 4 5 6 7 8
Package Packing
78Lxx-AB3-B-R 78LxxL-AB3-B-R
O G I
-
-
-
-
-
SOT-89 Tape
Reel
78Lxx-S08-0-R 78LxxL-S08-0-R
O G G N N G G I
SOP-8 Tape
Reel
78Lxx-S08-0-T 78LxxL-S08-0-T
O G G N N G G I
SOP-8 Tube
78Lxx-T92-B-B 78LxxL-T92-B-B
O G I
-
-
-
-
-
TO-92 Tape
Box
78Lxx-T92-B-K 78LxxL-T92-B-K
O G I
-
-
-
-
-
TO-92 Bulk
78Lxx-T92-B-R 78LxxL-T92-B-R
O G I
-
-
-
-
-
TO-92 Tape
Reel
Note: 1. xx: Output Voltage, refer to Marking Information.
2.O: Output G: GND I: Input N: No Connection
78LxxL- AB3- B-R
(1)Packing Type
(3)Package Type
(4)Lead Plating
(5)Output Voltage Code
(2)Pin Assignment
(1) B: Tape Box, K: Bulk, R: Tape Reel, T: Tube
(2) refer to Pin Assignment
(3) AB3: SOT-89, S08: SOP-8, T92: TO-92
(5) xx: refer to Marking Information
(4) L: Lead Free Plating, Blank: Pb/Sn
78LXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
2 of 8
www.unisonic.com.tw
QW-R101-001,AG
MARKING INFORMATION
PACKAGE VOLTAGE
CODE
MARKING
SOP-8
UTC
DATE CODE
78L
LEAD PLATING
VOLTAGE CODE
SOT-89
1
2
3
DATE CODE
VOLTAGE CODE
78L
LEAD
PLATING
TO-92
0 5 : 5 . 0 V
0 6 : 6 . 0 V
0 8 : 8 . 0 V
0 9 : 9 . 0 V
1 2 : 1 2 V
1 5 : 1 5 V
1 8 : 1 8 V
2 4 : 2 4 V
UTC
78L
1
DATE CODE
VOLTAGE
CODE
LEAD
PLATING
78LXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
3 of 8
www.unisonic.com.tw
QW-R101-001,AG
ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL
RATINGS
UNIT
V
OUT
=5~9V
30
Input voltage
V
OUT
=12~24V
V
IN
35
V
Output Current
I
OUT
100 mA
SOP-8 300
TO-92 625
Power Dissipation
SOT-89
P
D
350
mW
Junction Temperature
T
J
+125
C
Operating Temperature
T
OPR
-20~+85
C
Storage Temperature
T
STG
-40~+150
C
Note 1. 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.
2. The device is guaranteed to meet performance specification within 0~+70
operating temperature range
and assured by design from -20~+85
ELECTRICAL CHARACTERISTICS
For UTC78L05 (V
IN
=10V, I
OUT
=40mA, 0
C <T
J
<125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
T
J
=25
C 4.80
5.0
5.20
V
7VV
IN
20V,I
OUT
=1mA-40mA
4.75
5.25 V
Output Voltage
V
OUT
7VV
IN
V
MAX
,I
OUT
=1mA-70mA
4.75
5.25 V (note 2)
T
J
=25
C,I
OUT
=1mA-100mA
11
60
mV
Load Regulation
V
OUT
T
J
=25
C,I
OUT
=1mA-40mA
5.0
30
mV
7VV
IN
20V,T
J
=25
C
8
150 mV
Line regulation
V
OUT
8VV
IN
20V,T
J
=25
C
6
100 mV
Quiescent Current
I
Q
V
IN
=10V,I
OUT
=0mA,T
J
=25
C
2.0
5.5
mA
8VV
IN
20V
1.5 mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1 mA
Output Noise Voltage
eN
10Hzf100kHz
40 uV
Temperature coefficient of V
OUT
V
O
/
T
I
OUT
=5mA
-0.65
mV/
C
Ripple Rejection
RR
8VV
IN
20V,f=120Hz,T
J
=25
C
41 80
dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
For UTC78L06 (V
IN
=12V, I
OUT
=40mA, 0
C <T
J
<125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
T
J
=25
C 5.76
6.0
6.24
V
8.5VV
IN
20V,I
OUT
=1mA-40mA
5.70
6.30 V
Output Voltage
V
OUT
8.5VV
IN
V
MAX
, I
OUT
=1mA-70mA
5.70
6.30
V(note
2)
T
J
=25
C,I
OUT
=1mA-100mA
12.8
80
mV
Load Regulation
V
OUT
T
J
=25
C,I
OUT
=1mA-70mA
5.8
40
mV
8.5VV
IN
20V,T
J
=25
C
64
175 mV
Line regulation
V
OUT
9VV
IN
20V,T
J
=25
C
54
125 mV
Quiescent Current
I
Q
V
IN
=12V,I
OUT
=0mA,T
J
=25
C
3.9
6.0
mA
9VV
IN
20V
1.5 mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1 mA
Output Noise Voltage
eN
10Hzf100kHz
49 uV
Temperature coefficient of V
OUT
V
O
/
T
I
OUT
=5mA
0.75
mV/
C
Ripple Rejection
RR
10VV
IN
20V,f=120Hz, T
J
=25
C
40 46
dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
78LXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
4 of 8
www.unisonic.com.tw
QW-R101-001,AG
ELECTRICAL CHARACTERISTICS (Cont.)
For UTC78L08 (V
IN
=14V, I
OUT
=40mA, 0
C<T
J
<125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
T
J
=25
C 7.68
8.0
8.32
V
10.5VV
IN
23V,I
OUT
=1mA-40mA
7.60 8.40 V
Output Voltage
V
OUT
10.5VV
IN
V
MAX
, I
OUT
=1mA-70mA
7.60 8.40
V(note
2)
T
J
=25
C,I
OUT
=1mA-100mA
15
80
mV
Load Regulation
V
OUT
T
J
=25
C,I
OUT
=1mA-70mA
8.0
40
mV
10.5VV
IN
23V,T
J
=25
C
10
175 mV
Line regulation
V
OUT
11VV
IN
23V,T
J
=25
C
8
125 mV
Quiescent Current
I
Q
V
IN
=14V,I
OUT
=0mA,TJ=25
C
2.0
5.5
mA
11VV
IN
23V
1.5
mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1
mA
Output Noise Voltage
eN
10Hzf100kHz
49 uV
Temperature coefficient of V
o
V
O
/
T
I
OUT
=5mA
0.75
mV/
C
Ripple Rejection
RR
11VV
IN
23V,f=120Hz,T
J
=25
C
39
70 dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
For UTC78L09 (V
IN
=15V, I
OUT
=40mA, 0
C <T
J
<125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
T
J
=25
C 8.64
9.0
9.36
V
11.5VV
IN
24V,I
OUT
=1mA-40mA
8.55 9.45 V
Output Voltage
V
OUT
11.5VV
IN
V
MAX
, I
OUT
=1mA-70mA
8.55 9.45
V(note
2)
T
J
=25
C,I
OUT
=1mA-100mA
20
90
mV
Load Regulation
V
OUT
T
J
=25
C,I
OUT
=1mA-40mA
10
45
mV
11.5VV
IN
24V,T
J
=25
C
90
200 mV
Line regulation
V
OUT
13VV
IN
24V,T
J
=25
C
100
150 mV
Quiescent Current
I
Q
V
IN
=15V,I
OUT
=0mA,T
J
=25
C
2.0
6.0
mA
13VV
IN
24V
1.5
mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1
mA
Output Noise Voltage
V
N
10Hzf100kHz
49 uV
Temperature coefficient of V
OUT
V
O
/
T
I
OUT
=5mA
0.75
mV/
C
Ripple Rejection
RR
12VV
IN
23V,f=120Hz,T
J
=25
C
38
44 dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
For UTC78L12 (V
IN
=19V, I
OUT
=40mA, 0
C <T
J
<125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
T
J
=25
C 11.52
12.0
12.48
V
14.5VV
IN
27V,I
OUT
=1mA-40mA
11.40 12.60 V
Output Voltage
V
OUT
14.5VV
IN
V
MAX
, I
OUT
=1mA-70mA 11.40 12.60
V(note
2)
T
J
=25
C,I
OUT
=1mA-100mA
25
150
mV
Load Regulation
V
OUT
T
J
=25
C,I
OUT
=1mA-40mA
12
75
mV
14.5VV
IN
27V,T
J
=25
C
25
300 mV
Line regulation
V
OUT
16VV
IN
=27V,T
J
=25
C
20
250 mV
Quiescent Current
I
Q
V
IN
=19V,I
OUT
=0mA,T
J
=25
C
2.0
6.0
mA
16VV
IN
27V
1.5
mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1
mA
Output Noise Voltage
eN
10Hzf100kHz
80 uV
Temperature coefficient of V
OUT
V
O
/
T
I
OUT
=5mA
-1.0
mV/
C
Ripple Rejection
RR
15VV
IN
25V,f=120Hz,T
J
=25
C
37
65 dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
78LXX
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
5 of 8
www.unisonic.com.tw
QW-R101-001,AG
ELECTRICAL CHARACTERISTICS (Cont.)
For UTC78L15 (V
IN
=23V, I
OUT
=40mA, 0
C <T
J
<125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C 14.40
15.0
15.60
V
17.5VV
IN
30V,I
OUT
=1mA-40mA
14.25 15.75 V
Output Voltage
V
OUT
17.5VV
IN
V
MAX
, I
OUT
=1mA-70mA
14.25 15.75
V(note
2)
T
J
=25
C,I
OUT
=1mA-100mA
20
150
mV
Load Regulation
V
OUT
T
j
=25
C,I
OUT
=1mA-70mA
25
150
mV
17.5VV
IN
30V,T
J
=25
C
25
150 mV
Line regulation
V
OUT
20VV
IN
30V,T
J
=25
C
15 75 mV
Quiescent Current
I
Q
V
IN
=23V,I
OUT
=0mA,T
J
=25
C
2.2
6.5
mA
20VV
IN
30V
1.5
mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1
mA
Output Noise Voltage
eN
10Hzf100kHz
90 uV
Temperature coefficient of V
OUT
V
O
/
T
I
OUT
=5mA
-1.3
mV/
C
Ripple Rejection
RR
18.5VV
IN
28.5V,f=120Hz, T
J
=25
C
34
63 dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
For UTC78L18 (V
IN
=27V,I
OUT
=40mA,0
C<T
J
<125
C,C1=0.33uF,Co=0.1uF,unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C 17.28
18.0
18.72
V
21VV
IN
33V,I
OUT
=1mA-40mA
17.10 18.90 V
Output Voltage
V
OUT
21VV
IN
V
MAX
,I
OUT
=1mA-70mA
17.10 18.90
V(note
2)
T
J
=25
C,I
OUT
=1mA-100mA
30
170
mV
Load Regulation
V
OUT
T
J
=25
C,I
OUT
=1mA-40mA
15
85
mV
21VV
IN
33V,T
J
=25
C
145
300 mV
Line regulation
V
OUT
22VV
IN
33V,T
J
=25
C
135
250 mV
Quiescent Current
I
Q
V
IN
=27V,I
OUT
=0mA,T
J
=25
C
2.0
6.0
mA
21VV
IN
33V
1.5
mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1
mA
Output Noise Voltage
eN
10Hzf100kHz
150 uV
Temperature coefficient of V
OUT
V
O
/
T
I
OUT
=5mA
-1.8
mV/
C
Ripple Rejection
RR
23VV
IN
33V,f=120Hz,T
J
=25
C
34
48 dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
For UTC78L24 (V
IN
=33V,I
OUT
=40mA,0
C <T
J
<125
C,C1=0.33uF,Co=0.1uF,unless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C 23.04
24.0
24.96
V
27VV
IN
38V,I
OUT
=1mA-40mA
22.8 25.2 V
Output Voltage
V
OUT
27VV
IN
V
MAX
, I
OUT
=1mA-70mA
22.8 25.2
V(note
2)
T
J
=25
C,I
OUT
=1mA-100mA
40
200
mV
Load Regulation
V
OUT
T
J
=25
C,I
OUT
=1mA-40mA
20
100
mV
27VV
IN
38V,T
J
=25
C
160
300 mV
Line regulation
V
OUT
28VV
IN
38V,T
J
=25
C
150
250 mV
Quiescent Current
I
Q
V
IN
=33V,I
OUT
=0mA,T
J
=25
C
2.2
6.0
mA
27VV
IN
38V
1.5
mA
Quiescent Current Change
I
Q
1mAV
IN
40mA
0.1
mA
Output Noise Voltage
eN
10Hzf100kHz
200 uV
Temperature coefficient of V
OUT
V
O
/
T
I
OUT
=5mA
-2.0
mV/
C
Ripple Rejection
RR
27VV
IN
38V,f=120Hz,T
J
=25
C
34
45 dB
Dropout Voltage
V
D
T
J
=25
C
1.7
V
Note 1.The Maximum steady state usable output current is dependent on input voltage, heat sinking, lead length of
the package and copper pattern of PCB.
2.Power dissipation<0.5W
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