CNTK 78D24, 78D18, 78D15, 78D12, 78D09 Datasheet
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78DXX LINEAR INTEGRATED CIRCUIT
1
3-TERMINAL 0.5A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The Contek78DXX 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
TO-252
1
1:Input 2:GND 3:Output
EQUIVALENT CIRCUIT
3
1
2
GND
OUTPUT
INPUT
R13 R17 R9
Z2
T12
T14
R19
R18
R12
R11
R10
R8
T8 T9
T13
T10
R14
T11
T5
T6
R5
T4
Z1
R15
T15
R16
R1 R2
R4
C1
R6
T7
T3
T1 T2
R3
R7
Contek
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
78DXX LINEAR INTEGRATED CIRCUIT
2
ABSOLUTE MAXIMUM RATINGS
( Operating temperature range applies unless otherwise specified )
PARAMETER SYMBOL VALUE UNIT
Input voltage(for Vo=5~18V)
(for Vo=20~24V)
V
I 35
40
V
V
Output Current I o 0.5 A
Power Dissipation PD Internally Limited W
Operating Junction Temperature Range
T
J +150 C
Storage Temperature Range
T
STG -65 to+150 C
Contek78D05 ELECTRICAL CHARACTERISTICS
( VI=10V, 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 MAX UNIT
Tj=25 C, IO=5mA - 0.5A 4.8 5.0 5.2 V
Output Voltage Vo
V
I =7.5V to 20V,
I
O=5mA 0.5A,PD<7W
4.75 5.25 V
Load Regulation DVo Tj=25 C,IO=5mA - 0.5A 50 mV
Tj=25 C,IO=5mA - 200 mA 25 mV
Line regulation DVo VI =7V to 25V,Tj=25 C 50 mV
VI =7.5V to 20V,Tj=25 C,Io=0.5A 50 mV
Quiescent Current Iq Tj=25 C, IO=0.5A 8.0 mA
Quiescent Current Change DIq VI =7.5V to 20V 1.0 mA
DIq IO=5mA - 0.5A 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 40 uV
Temperature coefficient of Vo DVo/ DT Io=5mA -0.6 mV/ C
Ripple Rejection RR VI =8V -18V,f=120Hz,Tj=25 C 62 80 dB
Peak Output Current IPK Tj=25 C 1.2 A
Short-Circuit Current ISC VI=35V, Tj=25 C 250 mA
Dropout Voltage Vd Tj=25 C 2.0 V
Contek78D06 ELECTRICAL CHARACTERISTICS
( VI=11V, 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 MAX UNIT
Tj=25 C, IO=5mA - 0.5A 5.75 6.0 6.26.2 V
Output Voltage Vo
V
I =8.5V to 21V,
I
O=5mA 0.5A, PD<7W
5.7 6.3 V
Load Regulation DVo Tj=25 C,IO=5mA - 0.5A 60 mV
Tj=25 C,IO=5mA - 200mA 30 mV
Line regulation DVo VI =8V to 25V,Tj=25 C 60 mV
VI =8.5V to 21V,Tj=25 C,Io=0.5A 60 mV
Quiescent Current Iq Tj=25 C, IO=0.5A 8.0 mA
Quiescent Current Change DIq VI =8.5V to 21V 1.0 mA
DIq IO=5mA 0.5A 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 45 uV
Temperature coefficient of Vo DVo/ DT Io=5mA -0.7 mV/ C
Ripple Rejection RR VI =9V - 19V,f=120Hz,Tj=25 C 59 75 dB
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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