
LE57D111BTC
Microchip Technology
-40℃~+85℃ 1.4W 4.75V~5.25V 9mA Subscriber Line Interface (SLIC) Thermal shutdown protection、Multi-channel integration TQFP-44-EP(10x10) Telecom Interface ICs ROHS
- Category
- Telecom Interface ICs
- Package
- TQFP-44-EP(10x10)
- Pins
- 45
Overview
The LE57D111BTC is a telecom Interface IC made by Microchip Technology in a TQFP-44-EP(10x10) package with 45 pins. -40℃~+85℃ 1.4W 4.75V~5.25V 9mA Subscriber Line Interface (SLIC) Thermal shutdown protection、Multi-channel integration TQFP-44-EP(10x10) Telecom Interface ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LE57D111BTC, from EasyEDA) and its footprint (EasyEDA_Cloud:TQFP-44_L10.0-W10.0-P0.80-LS12.0-BL-EP5.3, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1549149).
Symbol
Footprint
Parameters
6- Current - Supply
- 9mA
- Features
- Thermal shutdown protection, Multi-channel integration
- Operating Temperature
- -40℃~+85℃
- Power(Watts)
- 1.4W
- Type
- Subscriber Line Interface (SLIC)
- Voltage - Supply
- 4.75V~5.25V
Order codes
1- LE57D111BTCLCSC C1549149
Pinout
45| Pin | Name | Type |
|---|---|---|
| 1 | C21 | Unspecified |
| 2 | C11 | Unspecified |
| 3 | NC | Unspecified |
| 4 | AGND/DGND | Unspecified |
| 5 | VCC | Unspecified |
| 6 | NC | Unspecified |
| 7 | CAS | Unspecified |
| 8 | IREF | Unspecified |
| 9 | C12 | Unspecified |
| 10 | C22 | Unspecified |
| 11 | DET2# | Unspecified |
| 12 | CDC2 | Unspecified |
| 13 | NC | Unspecified |
| 14 | RSN2 | Unspecified |
| 15 | NC | Unspecified |
| 16 | VTX2 | Unspecified |
| 17 | NC | Unspecified |
| 18 | NC | Unspecified |
| 19 | RSVD2 | Unspecified |
| 20 | NC | Unspecified |
| 21 | HP2 | Unspecified |
| 22 | TMG2 | Unspecified |
| 23 | BGND2 | Unspecified |
| 24 | B2(RING) | Unspecified |
| 25 | A2(TIP) | Unspecified |
| 26 | DB2 | Unspecified |
| 27 | VBAT | Unspecified |
| 28 | NC | Unspecified |
| 29 | DAC | Unspecified |
| 30 | DB1 | Unspecified |
| 31 | A1(TIP) | Unspecified |
| 32 | B1(RING) | Unspecified |
| 33 | BGND1 | Unspecified |
| 34 | TMG1 | Unspecified |
| 35 | HP1 | Unspecified |
| 36 | NC | Unspecified |
| 37 | RSVD1 | Unspecified |
| 38 | NC | Unspecified |
| 39 | NC | Unspecified |
| 40 | VTX1 | Unspecified |
| 41 | NC | Unspecified |
| 42 | RSN1 | Unspecified |
| 43 | CDC1 | Unspecified |
| 44 | DET1# | Unspecified |
| 45 | EP | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/microchip/LE57D111BTC" title="LE57D111BTC in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/LE57D111BTC.jpg" alt="LE57D111BTC" width="1200" height="900">[](https://pcbkit.io/parts/microchip/LE57D111BTC)Questions
Is there a KiCad symbol and footprint for the LE57D111BTC?
Yes. The symbol is EasyEDA_Cloud:LE57D111BTC and the footprint EasyEDA_Cloud:TQFP-44_L10.0-W10.0-P0.80-LS12.0-BL-EP5.3, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the LE57D111BTC?
TQFP-44-EP(10x10), with 45 pins. Its footprint is drawn on this page.
Where is the LE57D111BTC datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the LE57D111BTC?
JLCPCB lists it as part C1549149, with 0 in stock; the sellers' links on this page open their listings.
What can replace the LE57D111BTC?
Parts like it in the library: the LE57D111BTCT by Microchip Technology, the LE57D121BTCT by Microchip Technology and the LE57D122BTC by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
3LE57D111BTCT
TQFP-44-EP(10x10)-40℃~+85℃ 4.75V~5.25V 9mA Subscriber Line Interface (SLIC) Thermal shutdown protection、Multi-channel integration TQFP-44-EP(10x10) Telecom Interface ICs ROHSMicrochip TechnologyTelecom Interface ICsLE57D121BTCT
TQFP-44-EP(10x10)-40℃~+85℃ 4.75V~5.25V Subscriber Line Interface (SLIC) Thermal shutdown protection、Multi-channel integration TQFP-44-EP(10x10) Telecom Interface ICs ROHSMicrochip TechnologyTelecom Interface ICsLE57D122BTC
TQFP-44-EP(10x10)-40℃~+85℃ 4.75V~5.25V Subscriber Line Interface (SLIC) Thermal shutdown protection、Multi-channel integration TQFP-44-EP(10x10) Telecom Interface ICs ROHSMicrochip TechnologyTelecom Interface ICs