K78XX-500 Series
WIDE INPUT NON-ISOLATED & REGULATED
SINGLE POSITIVE/NEGATIVE OUTPUT
multi-country patent protection
RoHS
FEATURES
●
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
PRODUCT PROGRAM
Part
Number
K7803-500
Input
Voltage Range
(VDC)
4.75-28
4.75-25
K7805-500
6.5-32
6.0-27
K78X6-500
8-32
6.0-25
K7809-500
11-32
7.0-23
K7812-500
15-32
7.0-20
K7815-500
18-32
7.0-17
Output
Voltage
(VDC)
3.3
-3.3
5.0
-5.0
6.5
-6.5
9.0
-9.0
12
-12
15
-15
Current
(mA)
500
-400
500
-400
500
-300
500
-200
500
-200
500
-200
Efficiency(%)
Vin (Min)
90
73
93
78
94
83
95
87
95
85
96
84
Vin (Max)
80
78
84
83
87
85
91
86
92
87
93
89
OUTPUT SPECIFICATIONS
Item
Test Conditions
Vin= min. to max. at full load
10% to 100% load
20MHZ Bandwidth
Min
Typ
±2
±0.2
±0.4
20
0.5
280
Positive Output
Negative Output
Internal IC junction
-40
°C
to +85
°C
ambient
330
5
7
150
0.02
1000
Max
±3
±0.4
±0.6
35
1.8
450
8
13
mVp-p
W
KHz
mA
°C
%/°C
μF
%
Units
APPLICATIONS
The K78xx-500 Series high efficiency switching
regulators are ideally suited to replace 78xx linear
regulators and are pin compatible.
Output Voltage accuracy 100% full load
Line regulation
Load regulation
Ripple+Noise*
Short Circuit Input Power
Short circuit protection
Switching frequency
Quiescent current
Thermal Shutdown
Continuous, automatic recovery
MODEL SELECTION
K7805-500
O utput Cu rrent
Outpu t Vo ltage
Product Series
Temperature coefficient
Max capacitance load
*Test ripple and noise by
“parallel
cable” method.
COMMON SPECIFICATION
Item
Operating Temp. Range
Operating Case Temp.
Storage Temp. Range
Cooling
Case Material
Lead Temperature
Storage Humidity Range
MTBF
Package Weight
+25
°C，MIL-HDBK-217F
2000
2.0
1.5mm from case for 10 seconds
-55
Test Conditions
Min
-40
Typ
Max
85
100
125
Free Air Convection
Plastic (UL94-V0)
300
95
°C
%
K hours
g
°C
Units
MORNSUN Science& Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Note:
1. All specifications measured at T
A
=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
Page 1 of 3
MORNSUN [ MORNSUN SCIENCE& TECHNOLOGY LTD. ]
