UTC 78DXX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 0.5A POSITIVE VOLTAGE REGULATOR
DESCRIPTION
The UTC 78DXX family is mon...
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= 0°C - 12°C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
Output Voltage
SYMBOL
Vo
TEST CONDITIONS
Tj=25°C, IO=5mA –0.5A VI =5.8V to 18.3V IO=5mA– 0.5A PD<7W Tj=25°C,IO=5mA – 0.5A Tj=25°C,IO=5mA – 200mA VI =5.8V to 18.3V,Tj=25°C VI=5.8V to18.3V,Tj=25°C,Io=0.5A Tj=25°C,...