
Overview
The LM3423MH is a LED Driver made by Texas Instruments in a HTSSOP-20 package with 21 pins. -40℃~+125℃ 1 4.5V~75V Analog、PWM Over Voltage Protection、Over-Temperature Protection (OTP) SEPIC、Buck、Boost、Buck-Boost HTSSOP-20 LED Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM3423MH_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP-3, from EasyEDA), ready for a KiCad board. 10 are in stock at JLCPCB (part C1554247).
Symbol
Footprint
Parameters
6- Dimming
- PWM
- Features
- Over-Temperature Protection (OTP)
- Number of Channels
- 1
- Operating temperature
- -40℃~+125℃
- Topology
- Buck-Boost
- Voltage - Input(DC)
- 4.5V~75V
Order codes
1- LM3423MH/NOPBLCSC C1554247
Pinout
21| Pin | Name | Type |
|---|---|---|
| 1 | VIN | Unspecified |
| 2 | EN | Unspecified |
| 3 | COMP | Unspecified |
| 4 | CSH | Unspecified |
| 5 | RCT | Unspecified |
| 6 | AGND | Unspecified |
| 7 | OVP | Unspecified |
| 8 | nDIM | Unspecified |
| 9 | FLT | Unspecified |
| 10 | TIMR | Unspecified |
| 11 | VREF | Unspecified |
| 12 | IADJ | Unspecified |
| 13 | DDRV | Unspecified |
| 14 | PGND | Unspecified |
| 15 | GATE | Unspecified |
| 16 | VCC | Unspecified |
| 17 | IS | Unspecified |
| 18 | RPD | Unspecified |
| 19 | HSP | Unspecified |
| 20 | HSN | Unspecified |
| 21 | EP | Unspecified |
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Is there a KiCad symbol and footprint for the LM3423MH?
Yes. The symbol is EasyEDA_Cloud:LM3423MH_NOPB and the footprint EasyEDA_Cloud:HTSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL-EP-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LM3423MH?
HTSSOP-20, with 21 pins. Its footprint is drawn on this page.
Where is the LM3423MH datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the LM3423MH?
JLCPCB lists it as part C1554247, with 10 in stock; the sellers' links on this page open their listings.