MIC33M650 6A, Pin Strapping Power Module with HyperLight Load Mode and Output Voltage Select The MIC33M650 output voltage is set by two V Features SEL (Voltage Selection) pins, between nine different values. 2.4V to 5.5V Input Voltage Range This method eliminates the need for an external feed- 6A Output Current back resistor divider and improves the output voltage setting accuracy. Pin Strapping Voltage Selection: - Tri-state pins (nine voltage options) The 2.4V to 5.5V input voltage range, low shutdown and quiescent currents make the MIC33M650 ideal for - 0.6V, 0.8V, 0.9V, 1.0V, 1.2V, 1.5V, 1.8V, 2.5V single-cell Li-Ion battery-powered applications. The 100% or 3.3V output voltage duty cycle capability provides low dropout operation, Reduced Component Count (No Feedback extending operating range in portable systems. Resistors) The MIC33M650 pinout is compatible with the High Efficiency (up to 95%) 2 MIC33M656 I C-based programmable regulator ver- Output Discharge when Disabled sion, such that applications can be easily converted. An Constant-On-Time (COT) Control with High open-drain PG output is provided to indicate when the Switching Frequency: output voltage is within 9% of regulation and facilitates - 1.2 MHz typical at 1.0V output voltage the interface with an MCU or power sequencing. If set 1.5% Output Voltage Accuracy Over in shutdown (EN = GND), the MIC33M650 typically Line/Load/Temperature Range draws 1.5 A, while the output is discharged through 10pull-down. 0.8 ms/V Soft Start Speed Supports Safe Start-up with Pre-Biased Output The MIC33M650 is available in a thermally efficient, 53-Lead, 6 mm x 10 mm x 3 mm B1QFN package, with Typical 1.5 A Shutdown Supply Current an operating junction temperature range from -40C Low Dropout Operation (100% Duty Cycle) to +125C. 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, FIGURE 1: Radiated Emissions, high-efficiency, low-voltage input, 6A current, synchro- CISPR32, Class B (V =5V, V =1V, IN OUT nous step-down regulator power module with integrated I =6A). OUT inductor. The COT control architecture with HyperLight Load mode provides very high efficiency at light loads, while still having an ultra-fast transient response. 2019 Microchip Technology Inc. DS20006253A-page 1MIC33M650 Package Type MIC33M650 53-pin B1QFN 6 mm x 10 mm (Top View) AUX A 47 27 OUT GND EP OUT V 48 26 OUT SEL1 EN 49 25 OUT 50 24 P PG GND EP P GND V 23 P 51 OUT GND A 52 22 SW GND 21 SW EP SW AUX PV 53 EP P 20 SW IN GND * Includes Exposed Thermal Pads (EP) see Table 3-1. Typical Application SV SW IN V OUT OUT 1.0V/6A PV IN 47 F 47 F 10 F AUX PV Opt. IN P GND V IN EN EN AUX A GND R1 V V A SEL1 SEL1 GND 100k V V V SEL2 SEL2 OUT V IN PG Power Good V IN DS20006253A-page 2 2019 Microchip Technology Inc. AUX PV 1 46 AUX A IN GND P 2 45 V GND SEL2 P 3 44 SV GND IN P 4 43 SV GND IN P 5 42 PV GND IN EP PV IN SW 6 41 PV IN 7 40 P SW GND EP P GND 8 39 P SW GND 9 38 OUOUTT SW 10 37 OUT SW 36 OUT SW 11 OUT 12 35 SW 13 34 OUT SW 33 OUT SW 14 OUT SW 15 32 16 31 OUT SW 17 30 OUT SW 18 29 OUT SW OUT 19 28 SW