3 Terminal 0.5A Positive Voltage Regulator - Unisonic
Description
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, 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=25°C Tj=25°C VI=35V, Tj=25°C Tj=25°C
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 µV 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 ...
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