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UTC 78DXX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 0.5A POSITIVE VOLTAGE REGULATOR
DESCRIPTION
The UTC 78DXX family is monolithic fixed voltage regulator integrated circuit. They are suitable for applications that required supply current up to 0.5 A.
1 TO-252
FEATURE
*Output current up to 0.5 A *Fixed output voltage of 3.3V,4.7V,5V, 6V, 8V, 9V, 12V, 15V ,18V and 24V available *Thermal overload shutdown protection *Short circuit current limiting *Output transistor SOA protection
1 TO-251
1: Input
2: GND
3: Output
EQUIVALENT CIRCUIT
INPUT
1
R13 T10 R17 T8 R9 T9 Z2 T12 T14 R19 R18 R11
R14
T11
T13 T5 T6
R12 R10
OUTPUT
3
R8 R15 T4 Z1 T15 R5
R4 R6
T7
R16
R1
R2
C1 T3
R7
T1
T2
R3
GND
2
UTC
UNISONIC TECHNOLOGIES CO. LTD
1
QW-R101-005,C
UTC 78DXX
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL
VI Io PD TJ TSTG Internally
ABSOLUTE MAXIMUM RATINGS
( Operating temperature range applies unless otherwise specified )
VALUE
35 40 0.5 Limited +150 -65 to+150
UNIT
V V A W C C
Input voltage(for Vo=5~18V) (for Vo=20~24V) Output Current Power Dissipation Operating Junction Temperature Range Storage Temperature Range
UTC 78D33 ELECTRICAL CHARACTERISTICS
( VI=8.5V, Io=0.5A, Tj= 0C - 12C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA -0.5A VI =5.8V to 18.3V IO=5mA- 0.5A PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA VI =5.8V to 18.3V,Tj=25C VI=5.8V to18.3V,Tj=25C,Io=0.5A Tj=25C, IO=0.5A VI =5.8V to 18.3V IO=5mA - 0.5A 10Hz<=f<=100kHz Io=5mA VI=6.3V-16.3V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN TYP MAX
3.168 3.30 3.432 3.135 3.465 33 17 33 33 8.0 1.0 0.5 55 -0.4 57 1.8 250 2.0
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
UTC 78D47 ELECTRICAL CHARACTERISTICS
( VI=9.7V, Io=0.5A, Tj= 0C - 12C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =7.2V to 19.7V IO=5mA- 0.5A, PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA -200mA VI =7.2V to 19.7V,Tj=25C VI=7.2V to19.7V,Tj=25C,Io=0.5A Tj=25C, IO=0.5A VI =7.2V to 19.7V IO=5mA - 0.5A 10Hz<=f<=100kHz Io=5mA VI =7.7V 17.7V,f=120Hz,Tj=25C Tj=25C
MIN TYP MAX
4.512 4.70 4.888 4.465 4.935 47 24 47 47 8.0 1.0 0.5 40 -0.6 80 1.8
UNIT
V V mV mV mV mV mA mA mA V mV/C dB A
Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current
Vo Vo Iq Iq VN Vo/T RR IPK
62
UTC
UNISONIC TECHNOLOGIES CO. LTD
2
QW-R101-005,C
UTC 78DXX
PARAMETER
Short-Circuit Current Dropout Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
ISC Vd
TEST CONDITIONS
VI=35V, Tj=25C Tj=25C
MIN TYP MAX
250 2.0
UNIT
mA V
UTC78D05 ELECTRICAL CHARACTERISTICS
( VI=10V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage 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
SYMBOL
Vo Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =7.5V to 20V, IO=5mA - 0.5A,PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200 mA VI =7V to 25V,Tj=25C VI =7.5V to 20V,Tj=25C,Io=0.5A Tj=25C, IO=0.5A VI =7.5V to 20V IO=5mA - 0.5A 10Hz<=f<=100kHz 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 uV mV/C dB A mA V
62
40 -0.6 80 1.2 250 2.0
UTC78D06 ELECTRICAL CHARACTERISTICS
( VI=11V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage 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
SYMBOL
Vo Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =8.5V to 21V, IO=5mA - 0.5A, PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA VI =8V to 25V,Tj=25C VI =8.5V to 21V,Tj=25C,Io=0.5A Tj=25C, IO=0.5A VI =8.5V to 21V IO=5mA - 0.5A 10Hz<=f<=100kHz 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 uV mV/C dB A mA V
59
45 -0.7 75 1.2 250 2.0
UTC78D08 ELECTRICAL CHARACTERISTICS
( VI=14V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A
MIN
7.68
TYP
8.0
MAX
8.32
UNIT
V
UTC
UNISONIC TECHNOLOGIES CO. LTD
3
QW-R101-005,C
UTC 78DXX
Output Voltage 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
LINEAR INTEGRATED CIRCUIT
Vo Vo Vo Iq Iq VN Vo/T RR IPK ISC Vd VI =10.5V to 23V, IO=5mA - 0.5A, PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA VI =10.5V to 25V,Tj=25C VI =10.5V to 3V,Tj=25C,Io=0.5A Tj=25C, IO=0.5A VI =10.5V to 23V IO=5mA - 0.5A 10Hz<=f<=100kHz Io=5mA VI =11.5V to 21.5V, f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C 7.60 8.40 80 40 80 80 8.0 1.0 0.5 58 -0.9 72 1.2 250 2.0 V mV mV mV mV mA mA mA uV mV/C dB A mA V
56
UTC78D09 ELECTRICAL CHARACTERISTICS
( VI=15V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage Load Regulation Line regulation
SYMBOL
Vo Vo Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =11.5V to 24V, IO=5mA - 0.5A,PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA VI =11.5V to 25 V,Tj=25C VI =11.5V to 24V,Tj=25C, Io=0.5A Tj=25C, IO=0.5A VI =11.5V to 24V IO=5mA - 0.5A 10Hz<=f<=100kHz Io=5mA VI =12.5V to 22.5V, f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
MIN
8.64 8.55
TYP
9.0
MAX
9.36 9.45 90 45 90 90 8.0 1.0 0.5
UNIT
V V mV mV mV mV mA mA mA uV mV/C dB A mA V
Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Iq Iq VN Vo/T RR IPK ISC Vd
56
58 -1.1 72 1.2 250 2.0
UTC78D12 ELECTRICAL CHARACTERISTICS
( VI=19V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage Load Regulation
SYMBOL
Vo Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =14.5V to 27V, IO=5mA - 0.5A,PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA
MIN
11.52 11.40
TYP
12.0
MAX
12.48 12.60 120 60
UNIT
V V mV mV
UTC
UNISONIC TECHNOLOGIES CO. LTD
4
QW-R101-005,C
UTC 78DXX
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
Vo Iq Iq VN Vo/T RR IPK ISC Vd VI =14.5V to 30V,Tj=25C VI =14.6V to 27V,Tj=25C, Io=0.5A Tj=25C, IO=0.5A VI =14.5V to 30V IO=5mA - 0.5A 10Hz<=f<=100kHz Io=5mA VI =15V - 25V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C 120 120 8.0 1.0 0.5 75 -1.5 72 1.2 250 2.0 mV mV mA mA mA uV mV/C dB A mA V
55
UTC78D15 ELECTRICAL CHARACTERISTICS
( VI=23V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage Load Regulation Line regulation
SYMBOL
Vo Vo Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =17.5V to 30V, IO=5mA - 0.5A,PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA VI =18.5V to 30V,Tj=25C VI =17.5V to 30V, Tj=25C, IO =0.5A Tj=25C, IO=0.5A VI =17.5V to 30V IO=5mA - 0.5A 10Hz<=f<=100kHz 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 uV mV/C dB A mA V
Quiescent Current Quiescent Current Change Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
Iq Iq VN Vo/T RR IPK ISC Vd
54
90 -1.8 70 1.2 250 2.0
UTC78D18 ELECTRICAL CHARACTERISTICS
( VI=27V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage Load Regulation Line regulation
SYMBOL
Vo Vo Vo
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =21V to 33V, IO=5mA - 0.5A,PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA VI =21V to 33V,Tj=25C VI =21V to 33V, Tj=25C, IO =0.5A Tj=25C, IO=0.5A VI =21.5V to 33V
MIN
17.28 17.10
TYP
18.0
MAX
18.72 18.90 180 90 180 180 8.0 1.0
UNIT
V V mV mV mV mV mA mA
Quiescent Current Quiescent Current Change
Iq Iq
UTC
UNISONIC TECHNOLOGIES CO. LTD
5
QW-R101-005,C
UTC 78DXX
Output Noise Voltage Temperature coefficient of Vo Ripple Rejection Peak Output Current Short-Circuit Current Dropout Voltage
LINEAR INTEGRATED CIRCUIT
VN Vo/T RR IPK ISC Vd IO=5mA - 0.5A 10Hz<=f<=100kHz Io=5mA VI =22V - 32V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C 0.5 110 -2.2 69 1.2 250 2.0 53 mA uV mV/C dB A mA V
UTC78D24 ELECTRICAL CHARACTERISTICS
( VI=33V, Io=0.5A, Tj= 0C - 125C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage 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
SYMBOL
Vo Vo Vo Iq Iq Iq VN Vo/T RR IPK ISC Vd
TEST CONDITIONS
Tj=25C, IO=5mA - 0.5A VI =27V to 38V, IO=5mA - 0.5A, PD<7W Tj=25C,IO=5mA - 0.5A Tj=25C,IO=5mA - 200mA VI =27V to 38V,Tj=25C VI =27V to 38V,Tj=25C,Io=0.5A Tj=25C, IO=0.5A VI =28V to 38V IO=5mA - 0.5A 10Hz<=f<=100kHz Io=5mA VI =28V - 38V,f=120Hz,Tj=25C Tj=25C VI=35V, Tj=25C Tj=25C
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 uV mV/C dB A mA V
50
170 -2.8 66 1.2 250 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
UTC
UNISONIC TECHNOLOGIES CO. LTD
6
QW-R101-005,C
UTC 78DXX
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT
Vi
1
UTC78DXX 2
3
Vo
C1 0.33 F
C0 0.1 F
Note 1: To specify an output voltage, substitute voltage value for "DXX". 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-R101-005,C

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