Fairchild USB1T1103 Universal Serial Bus Peripheral Transceiver with Voltage Regulator Data Sheet
Summary
This transceiver is a USB Peripheral Transceiver that provides full compatibility with the USB 2.0 specification and includes an integrated 5V to 3.3V voltage regulator. It handles data rates up to 12Mbits/s while offering robust ESD protection for reliable connectivity. This manual details its technical features, including regulated power and Vbus monitoring capabilities. Ideal for engineers designing portable electronics like PDAs, cellular devices, MP3 players, and digital cameras requiring stable USB peripheral function.
Page 1 Text Content
查询USB1T1103供应商
1T 1103 U iversal S erial B s P erip eral Tran sceiver w ith Vo ltag e R eg lato
April 2005 Revised May 2005
USB1T1103 Universal Serial Bus Peripheral Transceiver with Voltage Regulator General Description Features This chip provides a USB Transceiver functionality with a ■Complies with Universal Serial Bus Specification 2.0 voltage regulator that is compliant to USB Specification Integrated 5V to 3.3V voltage regulator for powering Rev 2.0. this integrated 5V to 3.3V regulator allows inter-
facing of USB Application specific devices with supply volt-
■Utilizes digital inputs and outputs to transmit and receive
ages ranging from 1.65V to 3.6V with the physical layer of
USB cable data
Universal Serial Bus. It is capable of operating at 12Mbits/s
■Supports full speed (12Mbits/s) data rates
(full speed) data rates and hence is fully compliant to USB
Specification Rev 2.0. The Vbusmon terminal allows for Ideal for portable electronic devices
monitoring the Vbus line. ■MLP technology package (16 terminal) with HBCC
The USB1T1103 also provides exceptional ESD protection footprint
with 15k V contact HBM on D, D terminals. ■15k V contact HBM ESD protection on bus terminals
■Supports disable mode and is functionally equivalent to Philips ISP1102
Applications PDA PC Peripherals Cellular Phones MP3 Players Digital Still Camera Information Appliance
Ordering Code:
Package
Order Number Package Description
Number
USB1T1103MPX MLP14D Pb-Free 14-Terminal Molded Leadless Package (MLP), 2.5mm Square USB1T1103MHX MLP16HB Pb-Free 16-Terminal Molded Leadless Package (MHBCC), JEDEC MO-217, 3mm Square Pb-Free package per JEDEC J-STD-020B.
© 2005 Fairchild Semiconductor Corporation DS500905 www.fairchildsemi.com
Page Summary Contents For Fairchild USB1T1103 Universal Serial Bus Peripheral Transceiver with Voltage Regulator Data Sheet
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 15 |
| File Size | 1.26 MB |
| Published | May 28, 2026 |
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Frequently Asked Questions
What kind of data rates does the USB1T1103 support?
It supports full speed (12Mbits/s) and is fully compliant with USB Specification Rev 2.0.
Does the chip have internal voltage regulation capabilities?
Yes, it integrates a 5V to 3.3V voltage regulator for powering Vbus-facing devices.
What safety features are included on the bus terminals?
It provides exceptional ESD protection with 15kV contact HBM on D+ and D- terminals.
How can this chip be used for monitoring purposes?
The Vbusmon terminal allows it to monitor the Vbus line, indicating when voltage drops from 4.1V or rises above 3.6V.