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Электронный компонент: UTC79D18

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UTC 79DXX
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R101-012,D
3 TERMINAL 0.5A NEGATIVE
VOLTAGE REGULATOR

DESCRIPTION
The UTC 79DXX series of three-terminal negative
regulators are available in TO-252 and TO-251 packages and
with several fixed output voltage, making them useful in a
wide range of application. Each type employs internal current
limiting, thermal shut-down and safe area protection, making
it essentially indestructible.
FEATURES
*Output current up to 0.5A
*-5V; -6V;-8V;-12V;-15V;-18V;-24V output voltage available
*Thermal overload protection
*Short circuit protection
TO-252
1
TO-251
1
1: GND 2: Input 3: Output
BLOCK DIAGRAM
Voltage
reference
Protection
circuitry
GND
OUTPUT
INPUT
RSC
R2
R1
UTC 79DXX
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R101-012,D
ABSOLUTE MAXIMUM RATINGS
(Ta=25
C)
PARAMETER SYMBOL
VALUE UNIT
Input voltage
(for Vo=5 ~ 18V)
(for Vo=20 ~24V)
Vi
-35
-40
V
Thermal resistance
junction-air
R
JA
65
C /W
Thermal resistance
junction-cases
R
JC
5
C /W
Operating Temperature
Topr
0 ~ +125
C
Storage Temperature
Tstg
-65 ~ +150
C

UTC 79D05 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C,Io=500mA,Vi=-10V,Ci=33uF,Co=1uF, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C
-4.80 -5.0 -5.20 V
Output voltage
Vo
5.0mA<Io<0.5A,Po<15W
Vi=-7V to -20V
-4.75

-5.25
V
Line regulation
Vo Tj=25C,Vi=-7V to -25V
10
100
mV
Tj=25
C,Vi=-8V to -12V
mV
Load regulation
Vo Tj=25C,Io=5.0mA to 0.5A
10
100
mV
Tj=25
C,Io=5.0mA to 200mA
3 50
mV
Quiescent current
I
Q
Tj=25
C
4.3 8 mA
Quiescent current change
I
Q
Io=5mA to 0.5A
0.05
0.5
mA
Vi=-7V to -25V
0.1
1.3
mA
Output voltage drift
Vo/T Io=5mA
-0.4
mV/
C
Output noise voltage
V
N
f=10Hz to 100kHz,Ta=25
C
100
V
Ripple rejection
RR
f=120Hz, Vi=-8V to -18V
54
60
dB
Dropout voltage
Vd
Io=1.0A,Tj=25
C
2 V

UTC 79D06 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C,Io=500mA,Vi=-11V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C
-5.76 -6.0 -6.24 V
Output voltage
Vo
5.0mA<Io<0.5A,Po<15W
Vi=-8V to -21V
-5.70

-6.30
V
Line regulation
Vo Tj=25C,Vi=-8V to -25V
10
120
mV
Tj=25
C,Vi=-9V to -13V
5 60
mV
Load regulation
Vo Tj=25C,Io=5.0mA to 0.5A
10
120
mV
Tj=25
C,Io=5.0mA to 200mA
3 60
mV
Quiescent current
I
Q
Tj=25
C
4.3 8 mA
Quiescent current change
I
Q
Io=5mA to 0.5A
0.5
mA
Vi=-8V to -25V
1.3
mA
Output voltage drift
Vo/T Io=5mA
-0.5
mV/
C
Output noise voltage
V
N
f=10Hz to 100kHz,Ta=25
C
130
V
Ripple rejection
RR
f=120Hz, Vi=-9V to -19V
54
60
dB
Dropout voltage
Vd
Io=0.5A, Tj=25
C
2 V
UTC 79DXX
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R101-012,D
UTC 79D08 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C,Io=500mA,Vi=-14V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C
-7.68 -8.0 -8.32 V
Output voltage
Vo
5.0mA<Io<0.5A,Po<15W
Vi=-10.5V to -23V
-7.60

-8.40
V
Line regulation
Vo Tj=25C,Vi=-10.5V to -25V
10
100
mV
Tj=25
C,Vi=-11.5V to -17V
5 80
mV
Load regulation
Vo Tj=25C,Io=5.0mA to 0.5A
12
160
mV
Tj=25
C,Io=5.0mA to 200mA
4 80
mV
Quiescent current
I
Q
Tj=25
C
4.3 8 mA
Quiescent current change
I
Q
Io=5mA to 0.5A
0.05
0.5
mA
Vi=-11.5V to -25V
0.1
1.0
mA
Output voltage drift
Vo/T Io=5mA
-0.6
mV/
C
Output noise voltage
V
N
f=10Hz to 100kHz,Ta=25
C
175
V
Ripple rejection
RR
f=120Hz, Vi=-11.5V to -21.5V
54
60
dB
Dropout voltage
Vd
Io=0.5A,Tj=25
C
2 V

UTC 79D09 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C,Io=500mA,Vi=-15V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C -8.64
-9.0
-9.36
V
Output Voltage
Vo
5.0mA<Io<0.5A,Po<15W
V
i
=-11.5V to - 24V
-8.55 -9.45
V
Line regulation
Vo Tj=25C,V
i
=-11.5V to - 25 V
10
180
mV
Tj=25
C,V
i
=-12.5V to - 18V
5
90
mV
Load Regulation
Vo Tj=25C,I
O
=5.0mA - 0.5A
12
180
mV
Tj=25
C,I
O
=5.0mA - 200mA
4
90
mV
Quiescent Current
IQ
Tj=25
C
4.3
8
mA
Quiescent Current Change
IQ I
O
=5mA to 0.5A
0.05
0.5
mA
V
I
=-11.5V to -26V
0.1
1.0
mA
Temperature coefficient of Vo
Vo/T Io=5mA
-0.6
mV/
C
Output Noise Voltage
V
N
f=10Hz to 100kHz,Ta=25
C
175
V
Ripple Rejection
RR
f=120Hz V
I
=-12.5V to -22.5V
54
60
dB
Dropout Voltage
Vd
Io=0.5A,Tj=25
C
2
V













UTC 79DXX
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R101-012,D
UTC 79D12 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C,Io=500mA,Vi=-18V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C
-11.52
-12.0 -12.48 V
Output voltage
Vo
5.0mA<Io<0.5A,Po<15W
Vi=-14.5V to -27V
-11.40

-12.60
V
Line regulation
Vo Tj=25C,Vi=-14.5V to -30V
12
240
mV
Tj=25
C,Vi=-16V to -22V
6
120
mV
Load regulation
Vo Tj=25C,Io=5.0mA to 0.5A
12
240
mV
Tj=25
C,Io=5.0mA to 200mA
4
120
mV
Quiescent current
I
Q
Tj=25
C
4.3 8 mA
Quiescent current change
I
Q
Io=5mA to 0.5A
0.05
0.5
mA
Vi=-14.5V to -30V
0.1
1.0
mA
Output voltage drift
Vo/T Io=5mA
-0.8
mV/
C
Output noise voltage
V
N
f=10Hz to 100kHz,Ta=25
C
200
V
Ripple rejection
RR
f=120Hz, Vi=-15V to -25V
54
60
dB
Dropout voltage
Vd
Io=0.5A,Tj=25
C
2 V

UTC 79D15 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C, Io=500mA,Vi=-23V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C
-14.40
-15.0 -15.60 V
Output voltage
Vo
5.0mA<Io<0.5A,Po<15W
Vi=-17.5V to -30V
-14.25

-15.75
V
Line regulation
Vo Tj=25C,Vi=-17.5V to -30V
12
300
mV
Tj=25
C,Vi=-20V to -26V
6
150
mV
Load regulation
Vo Tj=25C,Io=5.0mA to 0.5A
12
300
mV
Tj=25
C,Io=5.0mA to 200mA
4
150
mV
Quiescent current
I
Q
Tj=25
C
4.3 8 mA
Quiescent current change
I
Q
Io=5mA to 0.5A
0.05
0.5
mA
Vi=-17.5V to -30.5V
0.1
1.0
MA
Output voltage drift
Vo/T Io=5mA
-0.9
mV/
C
Output noise voltage
V
N
f=10Hz to 100kHz,Ta=25
C
250
V
Ripple rejection
RR
f=120Hz, Vi=-18.5V to -28.5V
54
60
DB
Dropout voltage
Vd
Io=0.5A,Tj=25
C
2 V

UTC 79D18 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C,Io=500mA,Vi=-27V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C
-17.28
-18.0 -18.72 V
Output voltage
Vo
5.0mA<Io<0.5A,Po<15W
Vi=-21V to 33V
-17.10

-18.90
V
Line regulation
Vo Tj=25C,Vi=-21V to -33V
15
360
mV
Tj=25
C,Vi=-24V to -30V
8
180
mV
Load regulation
Vo Tj=25C,Io=5.0mA to 0.5A
15
360
mV
Tj=25
C,Io=5.0mA to 200mA
5.0
180
mV
Quiescent current
I
Q
Tj=25
C
4.3 8 mA
Quiescent current change
I
Q
Io=5mA to 0.5A
0.5
mA
Vi=-21V to 32V
1.0
mA
Output voltage drift
Vo/T Io=5mA
-1
mV/
C
Output noise voltage
V
N
f=10Hz to 100kHz,Ta=25
C
300
V
Ripple rejection
RR
f=120Hz, Vi=-22V to -32V
54
60
dB
Dropout voltage
Vd
Io=0.5A,Tj=25
C
2 V
UTC 79DXX
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R101-012,D
UTC 79D24 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125C, Io=500mA, Vi=-33V, Ci=2.2uF, Co=1uF, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25
C
-23.04
-24.0 -24.96 V
Output voltage
Vo
5.0mA<Io<0.5A,Po<15W
Vi=-27V to 38V
-22.80

-25.20
V
Line regulation
Vo Tj=25C,Vi=-27V to -38V
15
480
mV
Tj=25
C,Vi=-30V to -36V
8
240
mV
Load regulation
Vo Tj=25C,Io=5.0mA to 0.5A
15
480
mV
Tj=25
C,Io=5.0mA to 200mA
5.0
240
mV
Quiescent current
I
Q
Tj=25
C
4.3 8 mA
Quiescent current change
I
Q
Io=5mA to 0.5A
0.5
mA
Vi=-27V to 38V
1.0
mA
Output voltage drift
Vo/T Io=5mA
-1
mV/
C
Output noise voltage
V
N
f=10Hz to 100kHz,Ta=25
C
400
V
Ripple rejection
RR
f=120Hz, Vi=-28V to -38V
54
60
dB
Dropout voltage
Vd
Io=0.5A,Tj=25
C
2 V

APPLICATION CIRCUITS
-Vi
-Vo
C1
2.2
F
C0
1
F
UTC 79DXX
1
2
3
Fig.1 Fixed output regulator

UTC 79D15
1
2
3
UTC 78D15
1
2
3
2.2
F
1
F
0.1
F
0.33
F
+20V
+15V
-15V
-20V
1N4001
1N4001
Fig.2 Split power supply (+-15V, 0.5A)