K7802-500 [MORNSUN]
Analog Circuit;
| 型号： | K7802-500 |
| 厂家： | 
MORNSUN SCIENCE& TECHNOLOGY LTD. |
| 描述： | Analog Circuit |
| 文件： | 总4页 (文件大小：303K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
K78XX-500 Series
WIDE INPUT NON-ISOLATED & REGULATED
SINGLE OUTPUT
RoHS
FEATURES
PRODUCT PROGRAM
● Efficiency up to 96%
● Temperature range: -40°C ~ +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
Input Voltage(VDC)
Output
Voltage Current
Efficiency (%)(Typ)
Part
Number
Nominal
Range
Vin (Min)
Vin (Max)
(VDC)
(mA)
K7801-500
K78X2-500
K7802-500
K7803-500
K7805-500
K78X6-500
K7809-500
K7812-500
K7815-500
12
12
12
24
24
24
24
24
24
4.75-26
4.75-28
4.75-28
4.75-28
6.5-32
8-32
1.5
500
76
79
85
90
93
94
95
95
96
66
67
73
80
84
87
91
92
93
1.8
2.5
3.3
5.0
6.5
9.0
12
500
500
500
500
500
500
500
500
11-32
15-32
18-32
15
APPLICATIONS
OUTPUT SPECIFICATIONS
The K78xx-500 series high efficiency switching
regulators are ideally suited to replace 78xx linear
regulators and are pin compatible.
Item
Test Conditions
Min.
Typ. Max. Units
±2 ±3
Output voltage accuracy 100% full load
Vout:1.5V~2.5V
Vout:3.3V~15V
Vout:1.5V~2.5V
Vout:3.3V~15V
±0.5 ±1.0
±0.2 ±0.4
±0.4 ±0.75
±0.4 ±0.6
Vin= min. to max.
Line regulation
(at full load)
%
Load regulation
10% to 100% load
Ripple & Noise*
20MHz Bandwidth(refer to figure 3 )
25
35 mVp-p
1.8
Short circuit input power
0.5
W
MODEL SELECTION
Continuous, automatic
recovery
K7805-500
Short circuit protection
Switching frequency
Output current limit
Output Current
Output Voltage
Product Series
At full load, input voltage range
280
330
450
3000
2000
8
kHz
mA
Vout:1.5V~3.3V
Vout: 5V~15V
Vin= min. to max.
(at full load)
Quiescent current
Thermal shutdown
5
mA
Internal IC junction
150
°C
Temperature coefficient -40 °C to +85 °C ambient
Max capacitance load
±0.02 %/°C
1000 μF
MORNSUN Science & Technology Co.,Ltd.
Address: No. 5, Kehui St. 1, Kehui development
center, Science Ave., Guangzhou Science City,
Luogang district, Guangzhou,P.R.China.
Tel: 86-20-28203030
*Test ripple and noise by “parallel cable” method.
COMMON SPECIFICATIONS
Item
Test Conditions
Min.
Typ. Max. Units
Fax:86-20-28203068
Http://www.mornsun-power.com
Storage humidity range
Operating temp. range
Storage temp. range
Operating case temp.
Lead temperature
Cooling
95
%
Power derating (above 71°C)
-40
-55
85
125
100
°C
1.5mm from case for 10 seconds
300
Free air convection
Plastic (UL94-V0)
Case material
MTBF
25℃（MIL-HDBK-217F）
2000
k hours
g
Weight
2.0
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XX-500 B/3-2011 Page 1 of 4
TYPICAL CHARACTERISTICS
EXTERNAL CAPACITOR TABLE
Temperature Derating Graph
Part
C1
C2
Number
(Ceramic Capacitor) (Ceramic Capacitor)
K7801-500
K78X2-500
K7802-500
K7803-500
K7805-500
K78X6-500
K7809-500
K7812-500
K7815-500
10μF/50V
10μF/50V
10μF/50V
10μF/50V
10μF/50V
10μF/50V
10μF/50V
10μF/50V
10μF/50V
22μF/6.3V
22μF/6.3V
22μF/6.3V
22μF/6.3V
22μF/10V
10μF/10V
10μF/16V
10μF/25V
10μF/25V
Operating Temp.(
C)
(figure1)
STANDARD APPLICATION CIRCUIT
1
3
+Vin
K78XX-500
+Vout
2
C2
C1
GND
GND
(figure 2)
Note:
1. C1 and C2 are required and should be fitted close to the converter pins.
2. The capacitance of C1,C2 sees external capacitor table, it can be increased properly if required, and tantalum or low ESR electrolytic capacitors
may also suffice.
3. No parallel connection or plug and play.
TEST CONFIGURATIONS (TA=25°C)
1
Efficiency and Output Voltage Ripple Test
25.4mm
25.4mm
12.7mm
+Vin
+Vout
DC/DC
Converter
Copper strip
3
1
1μ F
10μF
2
C1
C2
Tantalum Scope
Ceramic
GND
Copper strip
(figure 3)
2
Start-up and Load Transient Response Test
50.8 mm
+Vin
+Vout
DC/DC
Converter
Copper strip
3
1
2
Scope
C1
C2
GND
Copper strip
(figure 4)
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XX-500 B/3-2011 Page 2 of 4
OUTPUT RIPPLE REDUCTION
L
+Vout
+Vin
DC/DC
Converter
3
1
2
C1
C2
22μF
GND
To reduce output ripple, it is recommended to add a LC filter in output port.
L: Recommended parameter 10μH ~ 47μH.
(figure 5)
CHARACTERISTICS
Efficiency
Ripple
Efficiency VS. Vin(full load)
Ripple VS Vin(full load)
Ripple(mV)
37
Efficiency(%)
100
95
90
85
80
75
70
65
60
55
50
45
40
32
27
22
17
12
7
K7801-500
K78X2-500
K7802-500
K7803-500
K7805-500
K78X6-500
K7809-500
K7812-500
K7815-500
k7801-500
k78X2-500
k7802-500
k7803-500
k7805-500
K78X6-500
K7809-500
K7812-500
K7815-500
2
Vin(V)
Vin(V)
4.756.5
8
10 11 12 15 16 18 20 22 24 26 28 30 32
4.75 6.5
8
10 11 12 15 18 20 22 24 26 28 30 32
Ripple VS Load(Vin=Vin-nominal)
Efficiency VS.Load(Vin=V
)
in-nominal
Ripple(mV)
37
Efficiency(%)
100
32
27
22
17
12
7
95
90
85
80
75
70
65
60
55
50
45
40
K7801-500
K78X2-500
K7802-500
K7803-500
K7805-500
K78X6-500
K7809-500
K7812-500
K7815-500
K7801-500
K78X2-500
K7802-500
K7803-500
K7805-500
K78X6-500
K7809-500
K7812-500
K7815-500
2
Load(mA)
20 60 100 140 180 220 260 300 340 380 420 460 500
Load(mA)
20 40 60 100 140 180 220 260 300 340 380 420 460 500
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XX-500 B/3-2011 Page 3 of 4
OUTLINE DIMENSION & FOOTPRINT DETAILS
MECHANICAL DIMMENSIONS
RECOMMENDED FOOTPRINT
11.60
[0.457]
(Side View)
(Front View)
1
2 3
5.08[0.200]
Φ1.00[0.039]
0.50[0.020]
5.08[0.200]
Note:
2.54*2.54
mm
.
grid:
TUBE OUTLINE DIMENSIONS
9.40
[0.370]
1
2 3
(Bottom View)
11.60
[0.457]
Note:
Unit:mm[inch]
Pin section tolerances
General tolerances:
4.70[0.185]
:±0.10
mm
[±0.004
mm
]
inch
Note:
Unit
General tolerance： ±0.50mm[±0.020inch]
inch
±0.25
[±0.010
]
:
mm[inch]
L=530mm[20.866 inch]
L=220mm[8.661inch]
Packaging quantity:43pcs
Packaging quantity:17pcs
FOOTPRINT DETAILS
Short tube inner packaging dimensions: L*W*H=255*170*80mm;
Function
+Vin
Pin
1
Short tube outer packaging dimensions(with six inner packaging boxes):
L*W*H=375*280*270mm;
Long tube inner packaging dimensions: L*W*H=580*200*100mm;
Long tube outer packaging dimensions(with two inner packaging boxes)
L*W*H=600*215*220mm;
：
GND
2
：
Long tube outer packaging dimensions(with three inner packaging boxes)
L*W*H=600*215*325mm.
3
+Vout
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, and then phone us.
3. In this datasheet, all the test methods of indications are based on corporate standards.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XX-500 B/3-2011 Page 4 of 4
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