UTC 79LXX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 0.1A NEGATIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC 79LXX family is monolithic fixed voltage
regulator integrated circuit. They are suitable for
applications that required supply current up to
100mA.
1
SOP-8
TO-92
1
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
SOP-8 :
SOT-89
1. Vout ; 2,3,6,7 Vin ; 5. GND;
4,8 NC
TO-92 : 1: GND 2: Input 3: Output
SOT-89: 1: GND 2: Input 3: Output
*Pb-free plating product number: 79LXXL
ORDERING INFORMATION
Order Number
Package
Packing
Normal
Lead free
79Lxx-S08-R
79Lxx
L
-S08-R
SOP-8
Tape Reel
79Lxx-S08-T
79Lxx
L
-S08-T
SOP-8
Tube
79Lxx-AB3-R
79Lxx
L
-AB3-R
SOT-89
Tape Reel
79Lxx-T92-B
79Lxx
L
-T92-B
TO-92
Tape Box
79Lxx-T92-K
79Lxx
L
-T92-K
TO-92
Bulk
Note:1. xx: Output Voltage, refer to Marking Information.
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R101-003,E
UTC 79LXX
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
GND
OUTPUT
INPUT
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified )
PARAMETER
Input voltage(for Vo=-5~-9V)
(for Vo=-12~-15V)
(for Vo=-18~-24V)
Power Dissipation
SYMBOL
V
I
V
I
V
I
P
D
VALUE
-30
-35
350 (SOT-89)
300 (SOP-8)
625 (TO-92)
UNIT
V
V
mW
Operating Junction Temperature Range
Storage Temperature Range
T
OPR
T
STG
-30 ~ +125
-40 ~ +125
°C
°C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R101-003,E
UTC 79LXX
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
UTC79L05 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
TEST CONDITIONS
V
IN
=-10V,Io=40mA
V
IN
=-7~-20V,Io=40mA
V
IN
=-10V,Io=1~100mA
V
IN
=-10V,Io=40mA
V
IN
=-8~-18V, Io=40mA,
e
in
=1Vp-p ,f=120Hz
V
IN
=-10V,
BW=10Hz~100kH,Io=40mA
MIN
-4.8
TYP
-5.0
15
7
3.5
71
120
MAX
-5.2
150
60
6.0
UNIT
V
mV
mV
mA
dB
µV
41
UTC79L06 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
TEST CONDITIONS
V
IN
=-12V,Io=40mA
V
IN
=-8.5~-20V,Io=40mA
V
IN
=-12V,Io=1~100mA
V
IN
=-12V,Io=40mA
V
IN
=-9~ -19V,
Io=40mA,
e
in
=1Vp-p ,f=120Hz
V
IN
=-12V,
BW=10Hz~100kH,Io=40mA
MIN
-5.76
TYP
-6.0
15
7
3.5
71
120
MAX
-6.24
150
60
6.0
UNIT
V
mV
mV
mA
dB
µV
41
UTC79L08 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
Test conditions
V
IN
=-14V,Io=40mA
V
IN
=-10.5~-23V,Io=40mA
V
IN
=-14V,Io=1~100mA
V
IN
=-14V,Io=40mA
V
IN
=-11~ -21V,
Io=40mA,
e
in
=1Vp-p ,f=140Hz
V
IN
=-14V,
BW=10Hz~100kH,Io=40mA
MIN
-7.68
TYP
-8.0
24
10
3.5
68
190
MAX
-8.32
175
80
6.0
UNIT
V
mV
mV
mA
dB
µV
39
UTC79L09 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
TEST CONDITIONS
V
IN
=-15V,Io=40mA
V
IN
=-12.5~-24V,Io=40mA
V
IN
=-15V,Io=1~100mA
V
IN
=-15V,Io=40mA
V
IN
=-12~ -22V,
Io=40mA,
e
in
=1Vp-p ,f=150Hz
V
IN
=-15V,
BW=10Hz~100kH,Io=40mA
MIN
-8.64
TYP
-9.0
27
12
3.5
64
210
MAX
-9.36
200
90
6.0
UNIT
V
mV
mV
mA
dB
µV
37
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R101-003,E
UTC 79LXX
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
UTC79L12 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
TEST CONDITIONS
V
IN
=-19V,Io=40mA
V
IN
=-14.5~-27V,Io=40mA
V
IN
=-19V,Io=1~100mA
V
IN
=-19V,Io=40mA
V
IN
=-15~ -25V,
Io=40mA,
e
in
=1Vp-p ,f=190Hz
V
IN
=-19V,
BW=10Hz~100kH,Io=40mA
MIN
TYP
MAX
UNIT
V
mV
mV
mA
dB
µV
-11.52 -12.0 -12.48
36
250
16
100
3.5
6.0
37
64
210
UTC79L15 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
TEST CONDITIONS
V
IN
=-23V,Io=40mA
V
IN
=-17.5~-30V,Io=40mA
V
IN
=-23V,Io=1~100mA
V
IN
=-23V,Io=40mA
V
IN
=-18.5~ -28.5V,
Io=40mA,
e
in
=1Vp-p ,f=230Hz
V
IN
=-23V,
BW=10Hz~100kH,Io=40mA
MIN
TYP
MAX
-15.6
300
150
6.0
UNIT
V
mV
mV
mA
dB
µV
-14.4 -15.0
45
20
3.5
34
63
340
UTC79L18 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
TEST CONDITIONS
V
IN
=-27V,Io=40mA
V
IN
=-20.5~-33V,Io=40mA
V
IN
=-27V,Io=1~100mA
V
IN
=-27V,Io=40mA
V
IN
=-23~ -33V,
Io=40mA,
e
in
=1Vp-p ,f=270Hz
V
IN
=-27V,
BW=10Hz~100kH,Io=40mA
MIN
TYP
MAX
UNIT
V
mV
mV
mA
dB
µV
-17.28 -18.0 -18.72
54
300
23
170
3.5
6.0
33
60
410
UTC79L24 ELECTRICAL CHARACTERISTICS
(Tj=25°C,C1=0.33µF,Co=0.1µF, unless otherwise specified)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Quiescent current
Ripple Rejection
Output Noise Voltage
SYMBOL
Vo
Vo-V
IN
Vo-Io
I
Q
RR
V
NO
TEST CONDITIONS
V
IN
=-33V,Io=40mA
V
IN
=-27~-38V,Io=40mA
V
IN
=-33V,Io=1~100mA
V
IN
=-33V,Io=40mA
V
IN
=-29~ -35V,
Io=40mA,
e
in
=1Vp-p ,f=330Hz
V
IN
=-33V,
BW=10Hz~100kH,Io=40mA
MIN
TYP
MAX
UNIT
V
mV
mV
mA
dB
µV
-23.04 -24.0 -24.96
72
350
30
200
3.5
6.0
31
55
550
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R101-003,E
UTC 79LXX
APPLICATION CIRCUIT
Vi
LINEAR INTEGRATED CIRCUIT
2
UTC79LXX
1
3
Vo
C1
0.33
µF
C0
0.1
µF
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R101-003,E
