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MIC33M650YMP Datasheet(PDF) 1 Page - Microchip Technology |
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MIC33M650YMP Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 32 page  2019 Microchip Technology Inc. DS20006253A-page 1 MIC33M650 Features • 2.4V to 5.5V Input Voltage Range • 6A Output Current • Pin Strapping Voltage Selection: - Tri-state pins (nine voltage options) - 0.6V, 0.8V, 0.9V, 1.0V, 1.2V, 1.5V, 1.8V, 2.5V or 3.3V output voltage • Reduced Component Count (No Feedback Resistors) • High Efficiency (up to 95%) • Output Discharge when Disabled • Constant-On-Time (COT) Control with High Switching Frequency: - 1.2 MHz typical at 1.0V output voltage • ±1.5% Output Voltage Accuracy Over Line/Load/Temperature Range • 0.8 ms/V Soft Start Speed • Supports Safe Start-up with Pre-Biased Output • Typical 1.5 µA Shutdown Supply Current • Low Dropout Operation (100% Duty Cycle) • Ultra-Fast Transient Response • Latch-Off Thermal Shutdown Protection • Latch-Off Current Limit Protection • Power Good (PG) Open-Drain Output • Meets CISPR32 Class B Emissions • Package: 53-Lead, 6 mm x 10 mm B1QFN Applications • Solid-State Drives (SSD) • FPGAs, DSP and Low-Voltage ASIC Power General Description The MIC33M650 is a pin-selectable output voltage, high-efficiency, low-voltage input, 6A current, synchro- nous step-down regulator power module with integrated inductor. The COT control architecture with HyperLight Load® mode provides very high efficiency at light loads, while still having an ultra-fast transient response. The MIC33M650 output voltage is set by two VSEL (Voltage Selection) pins, between nine different values. This method eliminates the need for an external feed- back resistor divider and improves the output voltage setting accuracy. The 2.4V to 5.5V input voltage range, low shutdown and quiescent currents make the MIC33M650 ideal for single-cell Li-Ion battery-powered applications. The 100% duty cycle capability provides low dropout operation, extending operating range in portable systems. The MIC33M650 pinout is compatible with the MIC33M656 I2C-based programmable regulator ver- sion, such that applications can be easily converted. An open-drain PG output is provided to indicate when the output voltage is within 9% of regulation and facilitates the interface with an MCU or power sequencing. If set in shutdown (EN = GND), the MIC33M650 typically draws 1.5 µA, while the output is discharged through 10 pull-down. The MIC33M650 is available in a thermally efficient, 53-Lead, 6 mm x 10 mm x 3 mm B1QFN package, with an operating junction temperature range from -40°C to +125°C. FIGURE 1: Radiated Emissions, CISPR32, Class B (VIN =5V, VOUT =1V, IOUT =6A). 6A, Pin Strapping Power Module with HyperLight Load® Mode and Output Voltage Select |
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