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UTC 78DXXA
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR
DESCRIPTION
The UTC 78DXXA family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 1 A.
FEATURES
*Peak output current up to 1 A *Fixed output voltage of 3.3V,4.7V,5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V and 24V available *Thermal overload shutdown protection *Short circuit current limiting *Output transistor SOA protection
1
TO-252
1:Input
2:GND
3:Output
TEST CIRCUIT
IN P U T
1
R 13 T 10 R 17 T8 R9 T9 Z2 T 12 T 14 R 19 R 18 R 12 R 11 R 10
R 14 T 11 T5 T6
T 13
O U TP U T
3
R8 R 15 T4 Z1 T 15 R5
R4 R6
T7
R 16
R1
R2
C1 T3
R7
T1
T2
R3
GND
2
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R101-010,E
UTC 78DXXA
PARAMETER
Input voltage (for Vo=3.3~18V) (for Vo=24V) Output Current
LINEAR INTEGRATED CIRCUIT
SYMBOL
VI Io PD Topr Tstg Internally
ABSOLUTE MAXIMUM RATINGS ( Operating temperature range applies unless otherwise specified )
RATING
35 40 1 Limited -20 ~ +150 -55 ~ +150
UNIT
V V A W C C
Power Dissipation Operating Junction Temperature Range Storage Temperature Range
UTC 78D33A ELECTRICAL CHARACTERISTICS
( VI=5.8V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =5.8V to 18.3V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =5.8V to 18.3V,Tj=25C VI =5.8V to 18.3V,Tj=25C,Io=1.0A Tj=25C, IO1.0A VI =5.8V to 18.3V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI=6.3V-16.3V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
3.168 3.135
TYP
3.30
MAX
3.432 3.465 33 17 33 33 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
55 -0.4 57 1.8 250 2.0
UTC 78D47A ELECTRICAL CHARACTERISTICS
( VI=9.7V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =7.2V to 19.7V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =7.2V to 19.7V,Tj=25C VI =7.2V to 19.7V,Tj=25C,Io=1.0A Tj=25C, IO1.0A VI =7.2V to 19.7V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =7.7V -17.7V, f=120Hz, Tj=25C Tj=25C VI=35V, Tj=25C
MIN
4.512 4.465
TYP
4.70
MAX
4.888 4.935 47 24 47 47 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current
Vo Vo Iq Iq VN Vo/T RR IPK ISC
62
40 -0.6 80 1.8 250
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R101-010,E
UTC 78DXXA
PARAMETER
Dropout Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vd Tj=25C
TEST CONDITIONS
MIN
TYP
2.0
MAX
UNIT
V
UTC 78D05A ELECTRICAL CHARACTERISTICS
( VI=10V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =7.5V to 20V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =7V to 25V,Tj=25C VI =7.5V to 20V,Tj=25C,Io=1.0A Tj=25C, IO1.0A VI =7.5V to 20V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =8V - 18V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
4.80 4.75
TYP
5.0
MAX
5.20 5.25 50 25 50 50 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
62
40 -0.6 80 1.8 250 2.0
UTC 78D06A ELECTRICAL CHARACTERISTICS
( VI=11V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =8.5V to 21V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =8V to 25V,Tj=25C VI =8.5V to 21V,Tj=25C,Io=1.0A Tj=25C, IO1.0A VI =8.5V to 21V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =9V - 19V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
5.76 5.70
TYP
6.0
MAX
6.24 6.30 60 30 60 60 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
59
45 -0.7 75 1.8 250 2.0
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R101-010,E
UTC 78DXXA
PARAMETER
Output Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vo
UTC 78D07A ELECTRICAL CHARACTERISTICS
( VI=13V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =9.5V to 22V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =9V to 25V,Tj=25C VI =9.5V to 22V,Tj=25C,Io=1.0A Tj=25C, IO1.0A VI =9.5V to 22V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =10V - 20V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
6.72 6.65
TYP
7.0
MAX
7.28 7.35 70 35 70 70 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
59
50 -0.8 75 1.7 250 2.0
UTC 78D08A ELECTRICAL CHARACTERISTICS
( VI=14V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =10.5V to 23V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =10.5V to 25V,Tj=25C VI =10.5V to 23V,Tj=25C,Io=1.0A Tj=25C, IO1.0A VI =10.5V to 23V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =11.5V to 21.5V, f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
7.68 7.60
TYP
8.0
MAX
8.32 8.40 80 40 80 80 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
56
58 -0.9 72 1.8 250 2.0
UTC 78D09A ELECTRICAL CHARACTERISTICS
( VI=15V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =11.5V to 24V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A
MIN
8.64 8.55
TYP
9.0
MAX
9.36 9.45 90
UNIT
V V mV
Load Regulation
Vo
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R101-010,E
UTC 78DXXA
PARAMETER
Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vo Iq Iq VN Vo/T RR IPK ISC Vd
TEST CONDITIONS
Tj=25C,IO=0.25A - 0.75A VI =11.5V to 25 V, Tj=25C VI =11.5V to 24V,Tj=25C, Io=1.0A Tj=25C, IO1.0A VI =11.5V to 24V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =12.5V to 22.5V, f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
TYP
MAX
45 90 90 8.0 1.0 0.5
UNIT
mV mV mV mA mA mA V mV/C dB A mA V
56
58 -1.1 72 1.8 250 2.0
UTC 78D10A ELECTRICAL CHARACTERISTICS
( VI=16V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =12.5V to 25V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =13V to 25V,Tj=25C VI =13V to 25V, Tj=25C,Io=1.0A Tj=25C, IO1A VI =12.6V to 25V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =13V - 23V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
9.60 9.50
TYP
10.0
MAX
10.40 10.50 100 50 100 100 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq Iq VN Vo/T RR IPK ISC Vd
56
58 -1.1 72 1.8 250 2.0
UTC 78D12A ELECTRICAL CHARACTERISTICS
( VI=19V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =14.5V to 27V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =14.5V to 30V,Tj=25C VI =14.6V to 27V,Tj=25C, Io=1.0A Tj=25C, IO1.0A VI =14.5V to 30V IO=5mA - 1.0A
MIN
11.52 11.40
TYP
12.0
MAX
12.48 12.60 120 60 120 120 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA
Load Regulation Line regulation Quiescent Current Quiescent Current Change
Vo Vo Iq Iq
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R101-010,E
UTC 78DXXA
PARAMETER
Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
VN Vo/T RR IPK ISC Vd
TEST CONDITIONS
10Hzf100kHz Io=5mA VI =15V - 25V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
TYP
75 -1.5 72 1.8 250 2.0
MAX
UNIT
V mV/C dB A mA V
55
UTC 78D15A ELECTRICAL CHARACTERISTICS
( VI=23V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =17.5V to 30V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =18.5V to 30V,Tj=25C VI =17.7V to 30V, Tj=25C, IO =1.0A Tj=25C, IO1.0A VI =17.5V to 30V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =18.5V to 28.5V, f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
14.40 14.25
TYP
15.0
MAX
15.60 15.75 150 75 150 150 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
54
90 -1.8 70 1.8 250 2.0
UTC 78D18A ELECTRICAL CHARACTERISTICS
( VI=27V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =21V to 33V, IO=5mA - 1.0A, PD15W Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =21V to 33V,Tj=25C VI =21V to 33V, Tj=25C, IO =1.0A Tj=25C, IO1A VI =21.5V to 33V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =22V - 32V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
17.28 17.10
TYP
18.0
MAX
18.72 18.90 180 90 180 180 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
53
110 -2.2 69 1.8 250 2.0
UTC
UNISONIC TECHNOLOGIES CO., LTD.
6
QW-R101-010,E
UTC 78DXXA
PARAMETER
Output Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vo
UTC 78D24A ELECTRICAL CHARACTERISTICS
( VI=33V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
TEST CONDITIONS
Tj=25C, IO=5mA - 1.0A VI =27V to 38V, IO=5mA - 1.0A, PD15W
MIN
23.04 22.80
TYP
24.0
MAX
24.96 25.20 240 120 240 240 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A mA V
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
Tj=25C,IO=5mA - 1.0A Tj=25C,IO=0.25A - 0.75A VI =27V to 38V,Tj=25C VI =27V to 38V,Tj=25C,Io=1.0A Tj=25C, IO1.0A VI =28V to 38V IO=5mA - 1.0A 10Hzf100kHz Io=5mA VI =28V - 38V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C 50
170 -2.8 66 1.8 250 2.0
Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead length of the package and copper pattern of PCB. The data above represents pulse test conditions with junction temperatures specified at the initiation of test. Note 2: Power dissipation<0.5W
APPLICATION CIRCUIT
Vi
1
UTC 78DXXA 2
3
Vo
C1 0.33 F
C0 0.1 F
Note 1: To specify an output voltage, substitute voltage value for "XX". Note 2: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators.
UTC
UNISONIC TECHNOLOGIES CO., LTD.
7
QW-R101-010,E

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