LM27951SD
Texas InstrumentsExtended
-40℃~+85℃ 2.5V~3.9V 2.8V~5.5V 30mA 4 750kHz DC-DC Voltage Regulator PWM Switched Capacitor (Charge Pump) WSON-14(4x3) LED Drivers
- Part id
- ti/LM27951SD
- Category
- LED Drivers
- Package
- WSON-14(4x3)
- Pins
- 15
- In stock
- 0 at JLCPCB (C3188075)
Overview
The LM27951SD is a LED Driver made by Texas Instruments in a WSON-14(4x3) package with 15 pins. -40℃~+85℃ 2.5V~3.9V 2.8V~5.5V 30mA 4 750kHz DC-DC Voltage Regulator PWM Switched Capacitor (Charge Pump) WSON-14(4x3) LED Drivers.
PCBKit's library has its KiCad symbol (Celestial_Driver_LED:TI LM27951SD, from Altium's library) and its footprint (EasyEDA_Cloud:WSON-14_L4.0-W3.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3188075).
Symbol
Footprint
Pinout
15| Pin | Name | Type |
|---|---|---|
| 1 | C2+ | Passive |
| 2 | VOUT | Passive |
| 3 | C1+ | Passive |
| 4 | D4 | Passive |
| 5 | D3 | Passive |
| 6 | D2 | Passive |
| 7 | D1 | Passive |
| 8 | ISET | Passive |
| 9 | EN | Passive |
| 10 | PWM | Passive |
| 11 | VIN | Passive |
| 12 | C2- | Passive |
| 13 | GND | Passive |
| 14 | C1- | Passive |
| 15 | DAP | Passive |
Parts like it
2
LM27951SDX
WSON-14-EP(3x4)-40℃~+85℃ 2.8V~5.5V 2‰ 30mA 4 750kHz Over-Temperature Protection (OTP) PWM WSON-14-EP(3x4) LED Drivers ROHSTexas InstrumentsLED DriversLM3520SD
WSON-14(4x3)-40℃~+85℃ 1.1MHz 2 2.7V~5.5V 22.5V~23.2V 700mA Boost Built-in DC-DC PWM WSON-14(4x3) LED Drivers ROHSTexas InstrumentsLED Drivers
Questions
Is there a KiCad symbol and footprint for the LM27951SD?
Yes. The symbol is Celestial_Driver_LED:TI LM27951SD and the footprint EasyEDA_Cloud:WSON-14_L4.0-W3.0-P0.50-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM27951SD?
WSON-14(4x3), with 15 pins. Its footprint is drawn on this page.
Where can I order the LM27951SD?
JLCPCB lists it as part C3188075, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LM27951SD?
Parts like it in the library: the LM27951SDX by Texas Instruments and the LM3520SD by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.