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PDF KA78M24R Data sheet ( Hoja de datos )

Número de pieza KA78M24R
Descripción 3-terminal 0.5A positive voltage regulator
Fabricantes Fairchild 
Logotipo Fairchild Logotipo



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No Preview Available ! KA78M24R Hoja de datos, Descripción, Manual

KA78MXX
3-terminal 0.5A positive voltage regulator
www.fairchildsemi.com
Features
• Output Current up to 0.5A
• Output Voltages of 5, 6, 8, 10, 12, 15, 18, 20, 24V
• Thermal Overload Protection
• Short Circuit Protection
• Output Transistor Safe Operating area (SOA)Protection
Description
The KA78MXX series of three-terminal positive regulators
are available in the TO-220/D-PAK package with several
fixed output voltages making it useful in a wide range of
applications.
TO-220
Internal Block Digram
1
D-PAK
1
1. Input 2. GND 3. Output
©2000 Fairchild Semiconductor International
Rev. 5.0

1 page




KA78M24R pdf
KA78MXX
Electrical Characteristics (KA78M10/KA78M10R)
(Refer to the test circuits, 0 TJ +125°C, IO=350mA, VI=17V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
Symbol
VO
VO
VO
IQ
IQ
V/T
VN
RR
VD
ISC
IPK
Conditions
TJ= +25°C
IO = 5 to 350mA
VI= 12.5 to 25V
IO = 200mA VI= 12.5 to 25V
TJ =+25°C VI = 13 to 25V
IO = 5mA to 0.5A, TJ =+25°C
IO = 5mA to 200mA, TJ =+25°C
TJ=+25°C
IO = 5mA to 350mA
IO = 200mA
VI = 12.5 to 25V
IO = 5mA
TJ = 0 to +125°C
f = 10Hz to 100KHz
f = 120Hz, IO = 300mA
VI = 13 to 23V
TJ =+25°C, IO = 500mA
TJ= +25°C, VI= 35V
TJ =+25°C
Min.
9.6
9.5
-
-
-
-
-
-
-
-
-
55
-
-
-
Typ.
10
10
-
-
-
-
4.1
-
-
Max.
10.4
10.5
100
50
200
100
6
0.5
0.8
Unit
V
mV
mV
mA
mA
0.5 - mV/°C
65 - µV
- - dB
2 -V
300 - mA
700 - mA
Notes:
*Load and line regulation are specified at constant, junction temperature. Change in Vo due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
5

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KA78M24R arduino
Typical Applications
VI
Vo
Figure 1. Fixed Output Regulator
VI
KA78MXX
Figure 2. Constant Current Regulator
Notes:
1. To specify an output voltage, substitute voltage value for "XX"
2. Although no output capacitor is needed for stability, it does improve transient response.
3. Required if regulator is located an appreciable distance from power Supply filter
Figure 3. Circuit for Increasing Output Voltage
11

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