Overview
The L6739 is a DC DC Controller made by STMicroelectronics in a VFQFN-16-EP(3x3) package with 17 pins. VFQFN-16-EP(3x3) DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L6739TR, from EasyEDA) and its footprint (EasyEDA_Cloud:VFQFN-16_L3.0-W3.0-P0.50-BL-EP1.7, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2658066).
Symbol
Footprint
Parameters
11- Features
- Light load efficient mode；Overcurrent Protection；Operating status indication；Adjustable current limiting；Protection latch
- Frequency - Switching
- 200kHz~600kHz
- Function
- Step-down type
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+125℃
- Output Type
- Adjustable
- Output Voltage
- 800mV~7V
- Switch tube (built-in/external)
- External
- Synchronous Rectifier
- Yes
- Topology
- Buck
- Voltage - Supply
- 4.75V~13.2V
Order codes
1- L6739TRLCSC C2658066
Pinout
17| Pin | Name | Type |
|---|---|---|
| 1 | VCCDR | Unspecified |
| 2 | LGATE | Unspecified |
| 3 | PHATE | Unspecified |
| 4 | BOOT | Unspecified |
| 5 | UGATE | Unspecified |
| 6 | PGOOD | Unspecified |
| 7 | EN | Unspecified |
| 8 | COMP | Unspecified |
| 9 | FB | Unspecified |
| 10 | VSEN | Unspecified |
| 11 | FBG | Unspecified |
| 12 | CSN | Unspecified |
| 13 | CSP | Unspecified |
| 14 | OSC | Unspecified |
| 15 | VCC | Unspecified |
| 16 | GND | Unspecified |
| 17 | EP | Unspecified |
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Is there a KiCad symbol and footprint for the L6739?
Yes. The symbol is EasyEDA_Cloud:L6739TR and the footprint EasyEDA_Cloud:VFQFN-16_L3.0-W3.0-P0.50-BL-EP1.7, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the L6739?
VFQFN-16-EP(3x3), with 17 pins. Its footprint is drawn on this page.
Where is the L6739 datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the L6739?
JLCPCB lists it as part C2658066, with 0 in stock; the sellers' links on this page open their listings.