K78XX-500 Series
WIDE INPUT NON-ISOLATED & REGULATED
SINGLE POSITIVE/NEGATIVE OUTPUT
multi-country patent protection RoHS
FEATURES
PRODUCT PROGRAM
● Efficiency Up To 96%
●Temperature Range: -40°C to +85°C
● No heat sink Required
● Pin-out compatible with LM78XX Linears
● Short circuit protection, Thermal Shutdown
● Low ripple and noise
● SIP Package
● Industry Standard Pinout
● MTBF>2,000,000 hours
● The K78xx-500 Series converters can also
be used to convert a positive voltage into a
negative voltage.
● Only two extra capacitors are required.
● Input voltage range can be lower than the
output voltage for higher output voltages
Part
Number
Input
Voltage Range
(VDC)
K7803-500
K7805-500
K7812-500
K7815-500
Efficiency(%)
Current
(mA)
Vin (Min)
Vin (Max)
4.75-28
3.3
500
90
80
4.75-25
-3.3
-400
73
78
6.5-32
5.0
500
93
84
6.0-27
-5.0
-400
78
83
8-32
6.5
500
94
87
6.0-25
-6.5
-300
83
85
11-32
9.0
500
95
91
7.0-23
-9.0
-200
87
86
K78X6-500
K7809-500
Output
Voltage
(VDC)
15-32
12
500
95
92
7.0-20
-12
-200
85
87
18-32
15
500
96
93
7.0-17
-15
-200
84
89
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min
Output Voltage accuracy 100% full load
APPLICATIONS
The K78xx-500 Series high efficiency switching
regulators are ideally suited to replace 78xx linear
regulators and are pin compatible.
±3
Vin= min. to max. at full load
±0.2
±0.4
Load regulation
10% to 100% load
±0.4
±0.6
Ripple+Noise*
20MHZ Bandwidth
Short circuit protection
Quiescent current
Units
%
20
35
mVp-p
0.5
1.8
W
Continuous, automatic recovery
Switching frequency
330
450
Positive Output
280
5
8
Negative Output
7
13
Thermal Shutdown
Internal IC junction
Temperature coefficient
-40 °C to +85 °C ambient
KHz
mA
°C
150
Max capacitance load
K7805-500
Max
Line regulation
Short Circuit Input Power
MODEL SELECTION
Typ
±2
0.02
%/°C
1000
μF
Max
Units
*Test ripple and noise by “parallel cable” method.
O utput Cu rrent
Outpu t Vo ltage
Product Series
COMMON SPECIFICATION
Item
Test Conditions
Operating Temp. Range
Min
Typ
-40
85
Operating Case Temp.
-55
Cooling
Lead Temperature
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
Storage Humidity Range
MORNSUN reserves the copyright
MTBF
125
Free Air Convection
Case Material
MORNSUN Science& Technology co.,Ltd.
°C
100
Storage Temp. Range
Plastic (UL94-V0)
1.5mm from case for 10 seconds
300
95
+25 °C,MIL-HDBK-217F
Package Weight
2000
°C
%
K hours
2.0
g
Note:
1. All specifications measured at TA=25°C, humidity
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