Unisonic Technologies UD18203
UD18203 is a monolithic synchronous buck regulator with built-in main switch and synchronous switch power MOSFETs. It operates over a wide input voltage range from 4.5V to 18V and achieves 2A continuous output current. It adopts PWM architecture to achieve fast transient response and high efficiency at light loads.| Part No. | UD18203 |
|---|---|
| Datasheet | UD18203 Download |
| Manufacturer |  Unisonic Technologies |
| Description | 18V SYNCHRONOUS FAST RESPONSE BUCK CONVERTER |
| Buy | Stock & Price |
DESCRIPTION
The UTC It operates at pseudo-constant frequency of 500kHz under heavy load conditions. Internal soft-start minimizes the inrush supply current at initial startup.●
FEATURES
* 4.5V~18V Input Voltage Range * Up to 2A Output Current * 140/130mΩ Internal Power MOSFET Switch * PWM Architecture to Achieve Fast Transient Response * Build-in soft start function * 500kHz Switching Frequency * Thermal Shutdown Protection● ORDERING INFORMATION Ordering Number Lead Free Halogen Free UD18203L-AG6-R UD18203G-AG6-R Package SOT-26 Packing Tape Reel Copyright © 2018 Unisonic Technologies Co., Ltd 1 of 4 QW-R115-030.a UD18203
● MARKING Preliminary LINEAR INTEGRATED CIRCUIT
● PIN CONFIGURATION
● PIN
DESCRIPTION
PIN NO. 1 2 3 4 5 6 PIN NAME BS GND FB EN VIN LXDESCRIPTION
Bootstrap Pin. Decouple this pin to LX with 0.1μF ceramic cap. Ground Pin. Feedback Pin. Connect this pin to the center of output resistor divider to program the output voltage. Enable Pin. Pull high to turn on, do not floating.
