Overview
The L7983PUR is a DC DC Converter made by STMicroelectronics in a DFN-10(3x3) package with 11 pins. -40℃~+150℃@(TJ) 1 2.2MHz 3.5V~60V 300mA 850mV~60V Adjustable Buck Buck Built-in Yes DFN-10(3x3) DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (Regulator_Switching:L7983PUR, from KiCad's library) and its footprint (Package_DFN_QFN:ST_DFN-10-1EP_3x3mm_P0.5mm_EP0.62x0.98mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3187561).
Symbol
Footprint
Parameters
13- Features
- Light load efficient mode；Built-in LDO regulator；Frequency synchronization；Cycle-by-cycle current limiting；Overcurrent Protection；EMI optimization (spread spectrum)
- Frequency - Switching
- 2.2MHz
- Function
- Step-down type
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+150℃@(TJ)
- Output Current
- 300mA
- Output Type
- Adjustable
- Output Voltage
- 850mV~60V
- Quiescent Current
- 10uA
- Switch tube (built-in/external)
- Built-in
- Synchronous Rectifier
- Yes
- Topology
- Buck
- Voltage - Supply
- 3.5V~60V
Order codes
1- L7983PURLCSC C3187561
Pinout
11| Pin | Name | Type |
|---|---|---|
| 1 | FB | Input |
| 2 | VBIAS | Power in |
| 3 | VCC | Output |
| 4 | FSW | Input |
| 5 | LNM/LCM | Input |
| 6 | RST | Open collector |
| 7 | EN/ULVO | Input |
| 8 | VIN | Power in |
| 9 | LX | Output |
| 10 | GND | Power in |
| 11 | GND | Passive |
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Is there a KiCad symbol and footprint for the L7983PUR?
Yes. The symbol is Regulator_Switching:L7983PUR and the footprint Package_DFN_QFN:ST_DFN-10-1EP_3x3mm_P0.5mm_EP0.62x0.98mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the L7983PUR?
DFN-10(3x3), with 11 pins. Its footprint is drawn on this page.
Where is the L7983PUR datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the L7983PUR?
JLCPCB lists it as part C3187561, with 0 in stock; the sellers' links on this page open their listings.
What can replace the L7983PUR?
Parts like it in the library: the L7983PU33R by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
