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K7805-1000_11 Datasheet, PDF (2/4 Pages) Crystek Corporation – WIDE INPUT NON-ISOLATED & REGULATED SINGLE OUTPUT
TYPICAL CHARECTERISTICS
Temperature Derating Graph
Operating Temp.( C )
(figure1)
TYPICAL APPLICATION CIRCUIT
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)
K7812-1000(L)
K7815-1000(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
+Vin
1 K78XX-1000(L) 3
+ Vo u t
C1
2
C2
GND
(figure 2)
GND
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
+Vin
C1
GND
25.4mm
25.4 mm
12.7mm
1
DC/DC
Converter
3
2
+Vout
Copper strip
1μ F 10μ F
C2
Scope
Ceramic Tantalum
Copper strip
2 Start-up and Load Transient Response Test
(figure 3)
50.8 mm
+Vin
C1
GND
1
DC/DC
Converter
3
2
+Vout
Copper strip
C2
Scope
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-1000(L)
B/1-2011 Page 2 of 4