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
Input
Output
Efficiency(%)
Part
Number
Voltage Range
(VDC)
Voltage
(VDC)
Current
(mA)
Vin (Min)
Vin (Max)
4.75-28
4.75-25
6.5-32
6.0-27
8-32
3.3
-3.3
5.0
-5.0
6.5
-6.5
9.0
-9.0
12
500
-400
500
90
73
93
78
94
83
95
87
95
85
96
84
80
78
84
● Pin-out compatible with LM78XX Linears
● Short circuit protection, Thermal Shutdown
● Low ripple and noise
● SIP Package
● Industry Standard Pinout
K7803-500
K7805-500
K78X6-500
K7809-500
K7812-500
K7815-500
-400
500
83
87
● MTBF>2,000,000 hours
6.0-25
11-32
-300
500
85
91
86
92
87
93
89
● 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
7.0-23
15-32
7.0-20
18-32
7.0-17
-200
500
-12
15
-200
500
-15
-200
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min
Typ Max
Units
%
Output Voltage accuracy 100% full load
±2
±3
±0.4
±0.6
35
APPLICATIONS
Line regulation
Vin= min. to max. at full load
10% to 100% load
±0.2
±0.4
20
The K78xx-500 Series high efficiency switching
regulators are ideally suited to replace 78xx linear
regulators and are pin compatible.
Load regulation
Ripple+Noise*
20MHZ Bandwidth
mVp-p
W
Short Circuit Input Power
Short circuit protection
Switching frequency
0.5
1.8
Continuous, automatic recovery
280
330
5
450
8
KHz
Positive Output
Quiescent current
mA
Negative Output
Internal IC junction
7
13
Thermal Shutdown
150
°C
%/°C
μF
MODEL SELECTION
Temperature coefficient -40 °C to +85 °C ambient
Max capacitance load
0.02
1000
K7805-500
*Test ripple and noise by “parallel cable” method.
Output Current
Output Voltage
Product Series
COMMON SPECIFICATION
Item
Test Conditions
Min
-40
Typ Max
85
Units
Operating Temp. Range
Operating Case Temp.
Storage Temp. Range
Cooling
°C
100
-55
125
Free Air Convection
Case Material
Lead Temperature
Storage Humidity Range
MTBF
Plastic (UL94-V0)
1.5mm from case for 10 seconds
300
95
°C
MORNSUN Science& Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com
%
+25 °C,MIL-HDBK-217F
2000
K hours
g
Package Weight
2.0
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load
unless otherwise specified.
2. Only typical models listed. If you need other model, please confirm the power, input voltage and output
voltage, then phone us.
MORNSUN reserves the copyright
Specifications subject to change without notice
K78XX-500Application-Notes
A/3-2008
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