Overview
The HT7737BA is a DC DC Converter made by Holtek Semicon in a SOT-89-3 package with 3 pins. 1 200kHz 3.7V 850mV~5V Boost Boost Built-in SOT-89-3 DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:BL8531CB3TR30, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C259555).
Symbol
Footprint
Parameters
11- Frequency - Switching
- 200kHz
- Function
- Boost
- Number of Outputs
- 1
- Output Current
- 200mA
- Output Voltage
- 3.7V
- Switch tube (built-in/external)
- Built-in
- Switching Frequency
- 200kHz
- Synchronous Rectification
- NO
- Synchronous Rectifier
- No
- Topology
- Boost
- Voltage - Supply
- 850mV~5V
Order codes
3- HT7737BALCSC C259555
- HT7737BALCSC C259895
- HT7737BALCSC C259936
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | GND | Unspecified |
| 2 | OUT | Unspecified |
| 3 | LX | Unspecified |
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Is there a KiCad symbol and footprint for the HT7737BA?
Yes. The symbol is EasyEDA_Cloud:BL8531CB3TR30 and the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the HT7737BA?
SOT-89-3, with 3 pins. Its footprint is drawn on this page.
Where is the HT7737BA datasheet?
Holtek Semicon publishes it: the Datasheet link on this page opens it.
Where can I order the HT7737BA?
JLCPCB lists it as part C259555, with 0 in stock; the sellers' links on this page open their listings.