
Overview
The AL1791AFE is a LED Driver made by Diodes Incorporated in a UDFN-14-EP(4x3) package with 15 pins. -40℃~+125℃ 1 1A 30V 4% 6.5V~30V AC-DC Analog、PWM Under Voltage Protection、Over-Temperature Protection (OTP)、Short-Circuit Protection UDFN-14-EP(4x3) LED Drivers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AL1792AFE-13, from EasyEDA) and its footprint (EasyEDA_Cloud:U-DFN4030-14_L4.0-W3.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C156300).
Symbol
Footprint
Parameters
9- Constant Current Accuracy
- 4%
- Dimming
- Analog, PWM
- Features
- Short Circuit Protection, Over-Temperature Protection (OTP), LED open-circuit protection, Built-in soft-start
- Number of Channels
- 1
- Operating temperature
- -40℃~+125℃
- Output Current
- 1A
- Output Voltage
- 30V
- Type
- AC-DC
- Voltage - Input(DC)
- 6.5V~30V
Order codes
1- AL1791AFE-13LCSC C156300
Pinout
15| Pin | Name | Type |
|---|---|---|
| 1 | EN | Unspecified |
| 2 | PWM4/GND | Unspecified |
| 3 | PWM3/GND | Unspecified |
| 4 | PWM2/GND | Unspecified |
| 5 | PWM1 | Unspecified |
| 6 | LED1 | Unspecified |
| 7 | LED2/GND | Unspecified |
| 8 | GND | Unspecified |
| 9 | LED3/GND | Unspecified |
| 10 | LED4/GND | Unspecified |
| 11 | LEDPG | Unspecified |
| 12 | FAULTB | Unspecified |
| 13 | REF | Unspecified |
| 14 | VIN | Unspecified |
| 15 | EP | Unspecified |
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Is there a KiCad symbol and footprint for the AL1791AFE?
Yes. The symbol is EasyEDA_Cloud:AL1792AFE-13 and the footprint EasyEDA_Cloud:U-DFN4030-14_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 AL1791AFE?
UDFN-14-EP(4x3), with 15 pins. Its footprint is drawn on this page.
Where is the AL1791AFE datasheet?
Diodes Incorporated publishes it: the Datasheet link on this page opens it.
Where can I order the AL1791AFE?
JLCPCB lists it as part C156300, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AL1791AFE?
Parts like it in the library: the FAN5333ASX by onsemi, the FAN5333BSX by onsemi, the MP3306EG-LF-P by Monolithic Power Systems and the STI9287B by TMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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