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MIC23650YFT-TR

Buck Switching Regulator IC Positive Programmable 0.6V 1 Output 6A 16-PowerUFQFN

Manufacturer:

Microchip
Mfr.Part #:

MIC23650YFT-TR
Datasheet:

MIC23650YFT-TR Datasheet (PDF)
Moisture Sensitive:

Yes
Factory Pack Quantity:

5000
EDA/CAD Models:

Request Free CAD Models for MIC23650YFT-TR

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MIC23650YFT-TR General Description

The MIC23650 is a high-efficiency, low-voltage input, 6Apeak current synchronous step-down regulator. The Constant-ON-Time (COT)control architecture with HyperLight Load™ provides very high efficiency atlight loads, while still having ultra-fast transient response.

The MIC23650 output voltage is set by two VSEL (Voltage Selection) pins, between nine different values. This method eliminates the need for an external feedback resistor divider and improves the output voltage setting accuracy.

The 2.4V to 5.5V input voltagerange, low shutdown and quiescent currents make the MIC23650 ideal forsingle-cell Li-Ion battery-powered applications. The 100% duty cycle capabilityprovides low dropout operation, extending operating range in portable systems.

The MIC23650 pinout iscompatible with the MIC23656 I 2C-based programmable regulator version, suchthat applications can be easily converted. An open-drain Power Good output isprovided to indicate when the output voltage is within 9% of regulation andfacilitates the interface with an MCU, or power sequencing. If set in shutdown(EN=GND), the MIC23650 typically draws 1.5 µA, while the output is dischargedthrough 10W pull-down.

The MIC23650 is available in athermally efficient, 16 Lead 2.5 mm x 2.5 mm x 0.55 mm thin FTQFN package, withan operating junction temperature range from –40°C to +125°C.

Key Features

2.4V to 5.5V Input Voltage Range

6A (Pulsed) Output Current

Reduced Component Count (No Feedback Resistors)

High Efficiency (up to 95%)

Output Discharge when Disabled

Constant-ON-Time 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

Three-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

Specifications

Product Category	Switching Voltage Regulators	Moisture Sensitive	Yes
Product Type	Switching Voltage Regulators	Factory Pack Quantity	5000
Subcategory	PMIC - Power Management ICs