Skip to the content
PCBKitNew board
TL3845BD on a board, in 3D

TL3845BD

Texas Instruments

100kHz 7.6V~30V Boost、Flyback、Forward Under-voltage lockout、Slope compensation SOIC-14 AC-DC Controllers and Regulators ROHS

Extended
Category
AC DC Controllers And Regulators
Package
SOIC-14
Pins
14

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

VREF14NC13VCC12VC11OUTPUT10GND9POWER_GROUND8RT/CT7NC6ISENSE5NC4VFB3NC2COMP1
EasyEDA_Cloud:TL3845BDRFrom EasyEDA

Footprint

1234567891011121314
Package_SO:SOIC-14_3.9x8.7mm_P1.27mmFrom KiCad's library

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

Pinout

14
The pins of the TL3845BD
PinNameType
1COMPUnspecified
2NCUnspecified
3VFBUnspecified
4NCUnspecified
5ISENSEUnspecified
6NCUnspecified
7RT/CTUnspecified
8POWER_GROUNDUnspecified
9GNDUnspecified
10OUTPUTUnspecified
11VCUnspecified
12VCCUnspecified
13NCUnspecified
14VREFUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/TL3845BD" title="TL3845BD in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/TL3845BD.jpg" alt="TL3845BD" width="1200" height="900">
A picture that opens the part, for a README
[![TL3845BD](https://pcbkit.io/embed/parts/ti/TL3845BD.jpg?size=s)](https://pcbkit.io/parts/ti/TL3845BD)

Questions

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.

Parts like it

8