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K7803-500R2 데이터시트 PDF




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부품번호 K7803-500R2 기능
기능 WIDE INPUT NON-ISOLATED & REGULATED SINGLE OUTPUT
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K7803-500R2 데이터시트, 핀배열, 회로
K78XX-500R2 Series
WIDE INPUT NON-ISOLATED & REGULATED
SINGLE OUTPUT
FEATURES
l Efficiency up to 96%
l Operating temperature range: -40°C ~ +85°C
l Low ripple and noise
l Supporting negative output perfectly
l Short circuit protection, thermal shutdown
l Sip package, meet UL94-V0
l Pin-out compatible with LM78XX linears
l EN60950 approved
Patent Protection RoHS
PART NUMBER SYSTEM
K78XX-500R2
Output Current
Output Voltage
Product Series
APPLICATIONS
K78XX-500R2 series high efficiency switching regulators are
ideally suited to replace 78xx linear regulators and are pin
compatible. They are widely used in industrial control,
instrumentation, and electric power applications.
SELECTION GUIDE
Part Number
Input Voltage(VDC)
Nominal
Nominal
K7801-500R2
12
12
4.75-28
*4.75-25
K78X2-500R2
12
12
4.75-28
*4.75-25
K7802-500R2
12
12
4.75-28
*4.75-25
K7803-500R2
24
12
4.75-28
*4.75-25
K7805-500R2
24
12
6.5-32
6.5-27
K78X6-500R2
24
12
8-32
6.5-25
K7809-500R2
24
12
11-32
7.0-23
K7812-500R2
24
12
15-32
7-20
K7815-500R2
24
12
18-32
7-17
Ouput Voltage
(VDC)
1.5
-1.5
1.8
-1.8
2.5
-2.5
3.3
-3.3
5.0
-5.0
6.5
-6.5
9.0
-9.0
12
-12
15
-15
Ouput Current
(mA)
500
-400
500
-400
500
-400
500
-400
500
-400
500
-300
500
-200
500
-200
500
-200
Efficiency (%,max)
Vin(Min)
Vin (Max)
77 66
66 64
81 69
70 68
87 76
73 73
91 81
74 78
94 86
78 83
94 87
82 84
95 91
85 86
95 92
83 87
96 93
81 87
Approval
CE
INPUT SPECIFICATIONS
Item
Test Conditions
No-load Input Power
Reverse Polarity Input
Input Voltage Range
Input Filter
Min. Typ. Max.
Unit
--
0.12
0.256
W
Forbidden
Capacitance Filter
OUTPUT SPECIFICATIONS
Item
Test Conditions
Output Voltage accuracy
100% loadinput voltage range
Line Regulation
Input voltage range
Min. Typ. Max.
-- ±2 ±3
--
±0.2
±0.4
Unit
%
The copyright and authority for the interpretation of the products are reserved by MORNSUN
K78XX-500R2 2013.11.27-A/2 Page 1 of 5




K7803-500R2 pdf, 반도체, 판매, 대치품
OUTPUT RIPPLE REDUCTION
+Vin
GND
C1
1
DC/DC 3(2) Vout
Converter
L
2(3)
C2
22μF
To reduce output ripple, it is recommended to add a LC filter in output port.
L: Recommended parameter 10μH ~ 47μH.
(Figure 8)
TYPICAL DERATING CURVE
Temperature Derating Graph
Operating Temp.( C )
(Figure 9)
TYPICAL CHARACTER CURVE
Positive output character curve
Efficiency VS Input Voltage curve
(Full Load)
100
95
90
85
80
75
70
65
60
K7803-500R2
K7805-500R2
K7812-500R2
Input Voltage(V)
Efficiency VS Output Load curve
(Vin=Vin-nominal)
100
95
90
85
80
75
70
65
60
55
50
10 20 30 40 50 60 70 80 90 100
Total Output Current(%)
K7803-500R2
K7805-500R2
K7812-500R2
Negative output character curve
Efficiency VS Input Voltage curve
(Full Load)
100
95
90
85
80
75
70
65
60
K7803-500R2
K7805-500R2
K7812-500R2
Input Voltage(V)
Ripple VS Input Voltage curve
(Full Load)
30
25
20
15
10
5
0
Input Voltage(V)
Ripple VS Output Load curve
(Vin=Vin-nominal)
30
25
20
15
10
5
0
10 20 30 40 50 60 70 80 90 100
Total Output Current(%)
K7803-500R2
K7805-500R2
K7812-500R2
K7803-500R2
K7805-500R2
K7812-500R2
Ripple VS Input Voltage curve
(Full Load)
30
25
20
15
10
5
0
Input Voltage(V)
K7803-500R2
K7805-500R2
K7812-500R2
The copyright and authority for the interpretation of the products are reserved by MORNSUN
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