The XT1800 is a synchronous, fixed frequency, step-up DC/DC converters delivering high efficiency in a 6-lead SOT package. The devices contain an internal NMOS switch and PMOS synchronous rectifier. A switching frequency of 1.5MHz minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors. The current mode PWM desi.
automatic shifting to power saving PFM Mode operation at light loads. Antiringing control circuitry reduces EMI concerns by damping the inductor in discontinuous mode, and the devices feature low shutdown current of under 1µA. Both devices are available in the low profile SOT-23-6 package.
■ Applications
MP3/4 PMP
Digital Camera
LCD Bias Voltage
Handheld Instruments
Wireless Handsets
GPS Receivers
■ Typical Application Circuit
■ Features.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | XT1801 |
Silinktek |
1.5MHz Micropower Synchronous Boost Converter | |
2 | XT1861 |
Silinktek |
Synchronous DC-DC Boost Converter | |
3 | XT1862 |
Silinktek |
1.2A Ultra Small Step-Up DC/DC Voltage Regulator | |
4 | XT1863 |
Silinktek |
DC-DC Boost Converter | |
5 | XT1866 |
Silinktek |
PFM synchronous boost DC-DC converter | |
6 | XT1254 |
YIC |
SMD Crystal | |
7 | XT1708 |
Silinktek |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
8 | XT1712 |
Silinktek |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
9 | XT1720 |
Silinktek |
3A Synchronous Rectified Step Down Converter | |
10 | XT1750 |
Silinktek |
2MHz High-Brightness LED Drivers | |
11 | XT1780 |
Silinktek |
8MHz PWM Synchronous Buck Regulator | |
12 | XT01MT |
Token Electronics Industry |
Triple Trap Filters |