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PDF 78D09 Data sheet ( Hoja de datos )
| Número de pieza | 78D09 | |
| Descripción | LINEAR INTEGRATED CIRCUIT 3-TERMINAL 0.5A POSITIVE VOLTAGE REGULATOR | |
| Fabricantes | ETC | |
| Logotipo |  |
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78DXX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 0.5A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The Contek 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 5V, 6V, 8V, 9V, 12V,
15V ,18V and 24V available
*Thermal overload shutdown protection
*Short circuit current limiting
*Output transistor SOA protection
EQUIVALENT CIRCUIT
1
TO-252
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
Contek
R3
INPUT
1
OUTPUT
3
GND
2
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:[email protected]
1
1 page  
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78DXX
LINEAR INTEGRATED CIRCUIT
Contek78D18 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
17.3 18.0
Vo
VI =21V to 33V,
17.1
Load Regulation
IO=5mA - 0.5A,PD<7W
DVo Tj=25 C,IO=5mA - 0.5A
Tj=25 C,IO=5mA - 200mA
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
DVo VI =21V to 33V,Tj=25 C
VI =21V to 33V,
Tj=25 C, IO =0.5A
Iq Tj=25 C, IO=0.5A
DIq VI =21.5V to 33V
DIq IO=5mA - 0.5A
VN 10Hz<=f<=100kHz
110
DVo/DT Io=5mA
-2.2
RR VI =22V - 32V,f=120Hz,Tj=25 C 53 69
IPK Tj=25 C
1.2
ISC VI=35V, Tj=25 C
250
Vd Tj=25 C
2.0
MAX
18.7
18.9
UNIT
V
V
180 mV
90 mV
180 mV
180 mV
8.0 mA
1.0 mA
0.5 mA
uV
mV/ C
dB
A
mA
V
Contek78D24 ELECTRICAL CHARACTERISTICS
( VI=33V, 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
Tj=25 C, IO=5mA - 0.5A
23.0 24.0
Output Voltage
Vo
VI =27V to 38V,
22.8
IO=5mA - 0.5A, PD<7W
Load Regulation
DVo Tj=25 C,IO=5mA - 0.5A
Tj=25 C,IO=5mA - 200mA
Line regulation
DVo VI =27V to 38V,Tj=25 C
VI =27V to 38V,Tj=25 C,Io=0.5A
Quiescent Current
Iq Tj=25 C, IO=0.5A
Quiescent Current Change
DIq VI =28V to 38V
DIq IO=5mA - 0.5A
Output Noise Voltage
Temperature coefficient of Vo
VN 10Hz<=f<=100kHz
DVo/DT Io=5mA
170
-2.8
Ripple Rejection
RR VI =28V - 38V,f=120Hz,Tj=25 C 50 66
Peak Output Current
IPK Tj=25 C
1.2
Short-Circuit Current
ISC VI=35V, Tj=25 C
250
Dropout Voltage
Vd Tj=25 C
2.0
MAX
25.0
25.2
UNIT
V
V
240 mV
120 mV
240 mV
240 mV
8.0 mA
1.0 mA
0.5 mA
uV
mV/ C
dB
A
mA
V
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
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:[email protected]
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 78D09.PDF ] | |
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