TYPICAL CHARECTERISTICS
Temperature Derating Graph
EXTERNAL CAPACITOR TABLE
Part Number
K7801-1000(L)
K78X2-1000(L)
K7802-1000(L)
K7803-1000(L)
K7805-1000(L)
K78X6-1000(L)
K7809-1000(L)
C1
(Ceramic capacitor)
10µF/50V
10µF/50V
10µF/50V
10µF/50V
10µF/50V
10µF/50V
10µF/50V
10µF/50V
10µF/50V
C2
(Ceramic capacitor)
22µF/6.3V
22µF/6.3V
22µF/6.3V
22µF/6.3V
22µF/16V
10µF/16V
10µF/16V
10µF/25V
10µF/25V
Operating Temp.(
C
)
K7812-1000(L)
K7815-1000(L)
(figure1)
TYPICAL APPLICATION CIRCUIT
1
C1
GN D
+Vin
K7 8 XX-1 0 00 (L )
3
C2
+Vo ut
2
GND
(figure 2)
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
25.4 mm
12.7mm
+Vin
1
C1
DC/DC
Converter
2
3
C2
+Vout
Copp er str ip
Load
L oad
10
μ
F
2.54 mm
2 .5 4 mm
1
μ
F
Ceramic Tantalum
Scope
GND
Cop per str ip
(figure 3)
2
Start-up and Load Transient Response Test
5 0.8 mm
+Vin
1
C1
DC/DC
Converter
2
3
C2
Co pp er str ip
+Vout
Scop e
GND
Co pp er str ip
(figure 4)
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XX-1000(L)
B/1-2011
Page 2 of 4
CRYSTEKCRYSTAL [ Crystek Corporation ]
