CONTEK LM7815, LM7824, LM7812, LM7810, LM7809 Datasheet
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LM78XX LINEAR INTEGRATED CIRCUIT
3-TERMINAL 1A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The Contek 78XX family is monolithic fixed voltage
regulator integrated circuit. They are suitable for
applications that required supply current up to 1 A.
FEATURES
*Output current up to 1.5 A
*Fixed output voltage of 5V, 6V, 8V, 9V, 10V, 12V,
15V ,18V and 24V available
*Thermal overload shutdown protection
*Short circuit current limiting
*Output transistor SOA protection
TEST CIRCUIT
R13 R17 R9
T10
R14
R15
Z1
R16
T8 T9
T11
T4
T15
R1 R2
T1 T2
T5
T6
R4
1
TO-220
1:Input 2:GND 3:Output
INPUT
1
Z2
T12
T14
R19
R18
T13
R5
R6
T7
C1
T3
R11
R12
R10
R8
R7
OUTPUT
3
CONTEK
R3
Contek
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
GND
2
1
LM78XX LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
( Operating temperature range applies unless otherwise specified )
PARAMETER SYMBOL RATING UNIT
Input voltage(for Vo=5~18V)
(for Vo=24V)
Output Current I o 1 A
Power Dissipation PD Internally Limited W
Operating Junction Temperature Range
Storage Temperature Range
I
V
OPR -20 +150 C
T
STG -55 +150 C
T
Contek LM7805 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 - 1.0A 4.8 5.0 5.2 V
Output Voltage Vo
Load Regulation DVo Tj=25 C,IO=5mA - 1.5A 50 mV
Tj=25 C,IO=0.25A - 0.75A 25 mV
Line regulation DVo VI =7V to 25V,Tj=25 C 50 mV
VI =7.5V to 20V,Tj=25 C,Io=1A 50 mV
Quiescent Current Iq Tj=25 C, IO=<1A 8.0 mA
Quiescent Current Change DIq VI =7.5V to 20V 1.0 mA
DIq IO=5mA - 1.0A 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 40 mV
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 1.8 A
Short-Circuit Current ISC VI=35V, Tj=25 C 250 mA
Dropout Voltage Vd Tj=25 C 2.0 V
I =7.5V to 20V,
V
O=5mA - 1.0A,PD<15W
I
35
40
4.75 5.25 V
V
V
Contek LM7806 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 - 1.0A 5.75 6.0 6.26.2 V
Output Voltage Vo
Load Regulation DVo Tj=25 C,IO=5mA - 1.5A 60 mV
Tj=25 C,IO=0.25A - 0.75A 30 mV
Line regulation DVo VI =8V to 25V,Tj=25 C 60 mV
VI =8.5V to 21V,Tj=25 C,Io=1A 60 mV
Quiescent Current Iq Tj=25 C, IO=<1A 8.0 mA
Quiescent Current Change DIq VI =8.5V to 21V 1.0 mA
DIq IO=5mA - 1.0A 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 45 mV
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
Peak Output Current IPK Tj=25 C 1.8 A
I =8.5V to 21V,
V
O=5mA - 1.0A, PD<15W
I
5.7 6.3 V
Contek Microelectronics Co.,Ltd.
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
2
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