
Optiplower
jamwaffles/optiplower
Power a Dell Optiplex 3050 Micro from a 24V industrial power supply

The LR7533-M is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by LR in a SOT-89-3 package with 3 pins. -40℃~+85℃@(Ta) 1 1.8uA 100mA 24V 3.3V 350mV@(100mA) Fixed Over Current Protection Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.
PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUT, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. 13,111 are in stock at JLCPCB (part C486076). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | GND | Power in |
| 2 | IN | Power in |
| 3 | OUT | Power out |

jamwaffles/optiplower
Power a Dell Optiplex 3050 Micro from a 24V industrial power supply
<iframe src="https://pcbkit.io/embed/parts/lr/LR7533-M" title="LR7533-M in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/lr/LR7533-M.jpg" alt="LR7533-M" width="1200" height="900">[](https://pcbkit.io/parts/lr/LR7533-M)Yes. The symbol is Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUT and the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOT-89-3, with 3 pins. Its footprint is drawn on this page.
LR publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C486076, with 13,111 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the AMS1117-3.3S by UMW, the L78L33ACU by STMicroelectronics, the HT7533-1 by UMW and the AMS1117-3.3 by GOODWORK. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.