
Overview
The KA7553A is a DC DC Converter made by onsemi in a DIP-8 package with 8 pins. -25℃~+85℃ 1.5A 46% 5kHz~600kHz 800mW Under-voltage lockout DIP-8 AC-DC Controllers and Regulators ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:KA7553A, from EasyEDA) and its footprint (Package_DIP:DIP-8_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C891346).
Symbol
Footprint
Parameters
6- Duty Cycle(Max)
- 46%
- Features
- Under-voltage lockout
- Frequency - Switching
- 5kHz~600kHz
- Operating Temperature
- -25℃~+85℃
- Output Current
- 1.5A
- Pd - Power Dissipation
- 800mW
Order codes
1- KA7553ALCSC C891346
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | RT | Unspecified |
| 2 | FB | Unspecified |
| 3 | IS(+) | Unspecified |
| 4 | GND | Unspecified |
| 5 | OUTPUT | Unspecified |
| 6 | VCC | Unspecified |
| 7 | CT | Unspecified |
| 8 | CS | Unspecified |
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Is there a KiCad symbol and footprint for the KA7553A?
Yes. The symbol is EasyEDA_Cloud:KA7553A and the footprint Package_DIP:DIP-8_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the KA7553A?
DIP-8, with 8 pins. Its footprint is drawn on this page.
Where is the KA7553A datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the KA7553A?
JLCPCB lists it as part C891346, with 0 in stock; the sellers' links on this page open their listings.
What can replace the KA7553A?
Parts like it in the library: the LT1109ACN8-5#PBF by Analog Devices, the LTC1174HVCN8-5#PBF by Analog Devices and the DM6359 by DESAY. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
3LT1109ACN8-5#PBF
PDIP-80℃~+70℃@(TA) 1 120kHz 2A 2V~9V 5V Boost Boost Built-in Fixed No PDIP-8 DC-DC Converters ROHSAnalog DevicesDC-DC ConvertersLTC1174HVCN8-5#PBF
PDIP-80℃~+70℃@(TA) 1 200kHz 340mA、600mA 4V~18.5V 5V Buck、Inverting Built-in Fixed No PDIP-8 DC-DC Converters ROHSAnalog DevicesDC-DC ConvertersDM6359
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