
Overview
The TL3845BD is an AC DC Controllers And Regulator made by Texas Instruments in a SOIC-14 package with 14 pins. 100kHz 7.6V~30V Boost、Flyback、Forward Under-voltage lockout、Slope compensation SOIC-14 AC-DC Controllers and Regulators ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TL3845BDR, from EasyEDA) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1530511).
Symbol
Footprint
Parameters
7- Duty Cycle(Max)
- 48%
- Features
- Under-voltage lockout, Slope compensation
- Frequency - Switching
- 100kHz
- Operating Temperature
- 0℃~+70℃
- Output Current
- 200mA
- Topology
- Boost, Flyback, Forward
- Voltage - Supply
- 7.6V~30V
Order codes
2- TL3845BDLCSC C1530511
- TL3845BDRLCSC C485113
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | COMP | Unspecified |
| 2 | NC | Unspecified |
| 3 | VFB | Unspecified |
| 4 | NC | Unspecified |
| 5 | ISENSE | Unspecified |
| 6 | NC | Unspecified |
| 7 | RT/CT | Unspecified |
| 8 | POWER_GROUND | Unspecified |
| 9 | GND | Unspecified |
| 10 | OUTPUT | Unspecified |
| 11 | VC | Unspecified |
| 12 | VCC | Unspecified |
| 13 | NC | Unspecified |
| 14 | VREF | Unspecified |
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Is there a KiCad symbol and footprint for the TL3845BD?
Yes. The symbol is EasyEDA_Cloud:TL3845BDR and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the TL3845BD?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the TL3845BD datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the TL3845BD?
JLCPCB lists it as part C1530511, with 0 in stock; the sellers' links on this page open their listings.
What can replace the TL3845BD?
Parts like it in the library: the UC2843ADTR by Texas Instruments, the UC2844BD by onsemi, the UC3843DTR by Texas Instruments and the TL2843BQDRQ1 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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