TOLL TMI3281
The TMI3281 is a fully integrated, high– efficiency 2.0A synchronous rectified step-down converter. The TMI3281 operates at high efficiency over a wide output current load range. The TMI3281 has force PWM operation mode and low EMI for light load The TMI3281 requires a minimum number of readily available standard external components and is available in a 6-pin SOT23 ROHS compliant package.FEATURES
● High Efficiency: Up to 95%@5V● 1MHz Frequency Operation
● 2.0A Output Current
● No Schottky Diode Required
● 3.5V to 18V Input Voltage Range
● 0.6V Reference
● Slope Compensated Current Mode Control for Excellent Line and Load Transient Response
● Integrated internal compensation
● Stable with Low ESR Ceramic Output Capacitors
● Over Current Protection with Hiccup-Mode
● Input over voltage protection(OVP)
● Thermal Shutdown
● Inrush Current Limit and Soft Start
● Available in SOT23-6 Package
GENERAL DESCRIPTION
APPLICATIONS
● Distributed Power Systems● Digital Set Top Boxes
● Flat Panel Television and Monitors
● Notebook computer
● Wireless and DSL Modems TYPICAL APPILCATION C1 1 VIN 5 BS 6 L1 VIN LX CIN 22μF ON / 4 OFF EN 3 FB GND 2 VOUT R1 COUT R2 22μF Figure 1. Basic Application Circuit TMI and SUNTO are the brands of TOLL microelectronic TMI3281 V1.0 2017.11 1 TMI3281
ABSOLUTE MAXIMUM RATINGS
(Note 1) Parameter Value Unit Input Supply Voltage ,EN LX Voltages FB Voltage...