⚫ Wide Input Range: 4.5V to 24V ⚫ 200mΩ/110mΩ Low RDS(ON) Internal FETs ⚫ Up to 1.5A Output Current Capability ⚫ Fixed 900kHz Switching Frequency ⚫ Maximum Duty Cycle Up to 99% ⚫ Down to 1% LED Rated Current ⚫ Ultra-low and Accurate FB Voltage: 100±5mV ⚫ Peak Current Mode with Internal Compensation ⚫ Over Current Protection with Hiccup Mode ⚫ LED Fault Protection Features： -LED open load protection -LED+ short to GND protection -LED+ and LED- short circuitry protection -Sense resistor open load protection -Sense resistor short to GND protection ⚫ Thermal Shutdown ⚫ Stable with Low ESR Ceramic Output Capacitors ⚫ Available in SOT23-6 Package
The TMI5202 is a high efficiency 900kHz, synchronous step-down LED driver with 24V maximum input voltage. TMI5202 integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. It achieves up to 1.5A of continuous output current with excellent load and line regulation. Peak current mode operation provides fast transient response. Low LED current ripple and small external inductor and capacitor size are achieved with 900kHz switching frequency. The TMI5202 requires a minimum number of readily available standard external components and is available in a 6-pin SOT23-6 ROHS compliant package.
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