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UTC78D05 Datasheet PDF - Unisonic

Part Number UTC78D05
Description 3 Terminal 0.5A Positive Voltage Regulator
Manufacturers Unisonic 
Logo Unisonic Logo 

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UTC78DXX 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.
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-252
1
TO-251
EQUIVALENT CIRCUIT
1: Input 2: GND 3: Output
R13
T10
R17
T8
R14
T11
T5
R9 Z2
T9
T13
T12
R19
R18
T14
R12
R11 R10
T6
R15
Z1
R16
R5
T4
T15
R1
T1
R4
R6
T7
R2 C1
T3
T2
R8
R7
INPUT
1
OUTPUT
3
R3 GND
2
UTC
UNISONIC TECHNOLOGIES CO. LTD 1
QW-R101-005,C

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UTC78D05 equivalent
UTC78DXX LINEAR INTEGRATED CIRCUIT
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 VI =14.5V to 30V,Tj=25°C
120 mV
VI =14.6V to 27V,Tj=25°C,
120 mV
Io=0.5A
Iq Tj=25°C, IO=0.5A
8.0 mA
Iq VI =14.5V to 30V
1.0 mA
IO=5mA – 0.5A
0.5 mA
VN 10Hz<=f<=100kHz
75 uV
Vo/T Io=5mA
-1.5 mV/°C
RR VI =15V - 25V,f=120Hz,Tj=25°C 55 72
dB
IPK Tj=25°C
1.2 A
ISC VI=35V, Tj=25°C
250 mA
Vd Tj=25°C
2.0 V
UTC78D15 ELECTRICAL CHARACTERISTICS
( VI=23V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Voltage
Tj=25°C, IO=5mA - 0.5A
Vo VI =17.5V to 30V,
14.40 15.0
14.25
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
IO=5mA - 0.5A,PD<7W
Tj=25°C,IO=5mA - 0.5A
Tj=25°C,IO=5mA - 200mA
VI =18.5V to 30V,Tj=25°C
VI =17.5V to 30V,
Tj=25°C, IO =0.5A
Tj=25°C, 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=25°C
Tj=25°C
VI=35V, Tj=25°C
Tj=25°C
90
-1.8
54 70
1.2
250
2.0
MAX
15.60
15.75
UNIT
V
V
150 mV
75 mV
150 mV
150 mV
8.0 mA
1.0 mA
0.5 mA
uV
mV/°C
dB
A
mA
V
UTC78D18 ELECTRICAL CHARACTERISTICS
( VI=27V, Io=0.5A, Tj= 0°C - 125°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Voltage
Tj=25°C, IO=5mA - 0.5A
Vo VI =21V to 33V,
17.28 18.0
17.10
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
IO=5mA - 0.5A,PD<7W
Vo Tj=25°C,IO=5mA - 0.5A
Tj=25°C,IO=5mA - 200mA
Vo VI =21V to 33V,Tj=25°C
VI =21V to 33V,
Tj=25°C, IO =0.5A
Iq Tj=25°C, IO=0.5A
Iq VI =21.5V to 33V
MAX
18.72
18.90
180
90
180
180
8.0
1.0
UNIT
V
V
mV
mV
mV
mV
mA
mA
UTC
UNISONIC TECHNOLOGIES CO. LTD 5
QW-R101-005,C


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