MAX15062AATA+T

The MAX15062AATA+T is an ultra small, high efficiency, synchronous step-down DC-DC converter in 8 pin TDFN package. It has a peak current mode control architecture with a MODE pin that can be used to operate device in pulse-width modulation (PWM) or pulse-frequency modulation (PFM) control schemes. PWM operation provides constant frequency operation at all loads & is useful in applications sensitive to variable switching frequency. PFM operation disables negative inductor current & additionally skips pulses at light loads for high efficiency. The low-resistance on-chip MOSFETs ensure high efficiency at full load & simplify PCB layout. To reduce input inrush current device offers an internal soft-start. The device also incorporates an EN/UVLO pin that allows user to turn on part at desired input-voltage level. An open-drain RESET(complementary) pin can be used for output-voltage monitoring. It is used in HVAC & building control, 4mA to 20mA current loops & general purpose point of load.

• Supply voltage range is 4.5V to 60V
• Automotive operating temperature range from -40°C to 125°C
• Eliminates external components & reduces total cost, internal compensation & internal soft-start
• Reduces number of DC-DC regulators to stock, fixed 3.3V output voltage option
• Delivers up to 300mA load current, shutdown current is 2.2µA (typ)
• Reduces power dissipation, peak efficiency is 92%, PFM feature for high light-load efficiency
• Switching frequency is 500KHz and maximum duty cycle is 91.5%(typ)
• All ceramic capacitors, ultra compact layout & overtemperature protection
• Monotonic start-up into pre-biased output

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Notas

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