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K78X6-500R2 Datasheet Preview

K78X6-500R2 Datasheet

DC/DC CONVERTER

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ReICU
DC/DC CONVERTER
K78**-500(R2) Series
Regulated Single Output SIP-Package
Features
I/O non-isolation
Efficiency up to 95%
No heat sink required
Single regulated output
Short circuit protection
Pin-out compatible with LM78 linears
Optimized version(Suffix R2 ,optional)
Wide temperature performance: -40 to 85
Description
The K78xx-500 series are high efficiency switching regulators are suited to replace 78xx linear regulators and pin
compatible.The high efficinecy performance means it is no need heat sink.Used in industry control system,wireless network,
microprocessor power application,telecom/datacom.
Model Selection Guide
Order Code
K78X2-500(R2)
K7802-500(R2)
K7803-500(R2)
K7805-500(R2)
K78X6-500(R2)
K7809-500(R2)
K7812-500(R2)
K7815-500(R2)
Naminal
12
24
Vin(V)
Range
4.75~28
4.75~28
4.75~28
6.5~32
8~32
11~32
15~32
18~32
Output
Vo(V)
Io(mA)
1.8 500
2.5 500
3.3 500
5 500
6.5 500
9 500
12 500
15 500
Efficiency(%) (Typ)
Min(Vin)
Max(Vin)
79 66
85 73
90 80
93 84
93 87
95 91
95 92
96 93
*All the specifications typical at Ta=+25
Output Characteristics
Parameter
Output voltage accuracy
Line regulation
Switching frequency
Load regulation
Ripple and noise
Dynamic load response
Temperature coefficient(%/
Quiescent current
Short circuit Protection
)
resistive load, nominal input voltage and rated output current unless otherwise noted.
Condition
10% 100% load
At input voltage range
Full load,nominal input
10% 100% load
BW=DC to 20MHz
50% 100% load
Min Typ Max Units
+1 +2 %
+0.15
+0.3
%
300 430 KHz
+0.3 +0.5
%
50 mVp-p
500 uS
0.02 %/
10 mA
Continuous,Automatic Recovery
General Characteristics
Parameter
Operating Temperature
Storage
Storage humidity
Cooling
MTBF
Case material
Condition
All output types
Free air convection
3.5 106
Min
-40
-55
Typ Max
+85
+125
+95
Plastic (UL94-V0)
Units
%
K hours
REV:13.2
Page 1 of 2
www.reicu.com
E-mail:service@reicu.com
ReICU
Temperature Derating Graph Curve
120
100
80 85
60
40 Safe Operating Area
20
0 -40 0 40 80 120
Operating Temperature( )
K78**-500(R2) Series
Efficiency VS Input Voltage Curve
100
90
80
70
60
5 10 15 20 25 30 35
Input Voltage(V)
K7815
K7812
K7809
K78X6
K7805
K7803
K7802
K78X2
Application
+Vin
GND
K78**-500
Cin
+Vout
Cout
GND
+Vin
K78**-500
+Vout
Cin
GND
Cout
GND
K78**-500
Cin Cout
-Vout
Note
1.Cin and Cout are required and should be fitted close to the converter pins.
2.The capacitance of Cin and Cout are recommended 10-47uF capacitor. It can be increased properly if required,and tantalum or low ESR electrolytic capacitors
may also suffice.
Mechanical Dimension & Pin Connections
11.5(0.453)
10.20
(0.402)
4.00
(0.157)
7.55
(0.297)
1.80
(0.071)
3.21
(0.126)
2.54
(0.10)
Silk-screen
12 3
(Bottom View)
0.30
(0.012)
0.50
(0.02)
Note:
Unit:mm(inch)
Pin 1 2 3
Function +Vin GND +Vo
REV:13.2
Page 2 of 2
www.reicu.com
E-mail:service@reicu.com


Part Number K78X6-500R2
Description DC/DC CONVERTER
Maker REICU
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K78X6-500R2 Datasheet PDF






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