1MHz, 30V, 2.0A High Efficiency Synchronous Step-Down Converter for Dimmable LED Driver, TMI5302 P2P TPS92200D2.
TMI5302
TMI5302.pdf
TMI5302.pdfFEATURES
• Wide Input Range: 4V to 30V
• 130mΩ/70mΩ Low RDS(ON) Internal FETs
• Up to 2.0A Output Current Capability
• Fixed 1MHz Switching Frequency
• Maximum Duty Cycle Up to 99%
• Down to 0.5% LED Rated Current
• Ultra-low and Accurate FB Voltage: 100±3mV
• 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
PIN CONFIGUTION
CROSS
FEATURES
• 4-V to 30-V wide input range
• Integrated 150-mΩ and 90-mΩ MOSFETs for
1.5-A continuous output current
• Ultra-low shut-down current: 1 μA
• Ultra-low output discharge current from load: 1 μA
• 1-MHz switching frequency
• Maximum duty cycle up to 99%
• Peak current mode with internal compensation
• Flexible dimming options:
– TPS92200D1: PWM dimming with digital input
and analog dimming with analog input
– TPS92200D2: analog dimming with digital input
• Ultra-low and accurate FB voltage: 99 mV ±3 mV
• Full protection features:
– LED open-load protection
– LED+ short-to-GND protection with auto-retry
– LED+ and LED– short circuitry protection with
auto-retry
– Sense-resistor open-load and short-to-GND
protection with auto-retry
– Thermal shutdown protection with auto-retry
• SOT23 (6) package
• VQFN-HR (6) package
PIN CONFIGUTION
