EN5311QI EN5312QI EN5322QI Power Path Management IC Switching Voltage Regulators 1A BUCK
EN5311QI EN5312QI EN5322QI Power Path Management IC Switching Voltage Regulators 1A BUCK
Product Highlights
• Revolutionary Integrated Inductor
• 5mm x 4mm x1.1mm QFN package
• Very small total solution foot print*
• 4 MHz switching frequency
• Only two low cost MLCC caps required
• Designed for low noise/low EMI
• Very low ripple voltage; 5mVp-p Typical
• High efficiency, up to 95%
• Wide 2.4V to 6.6V input range
• 1000mA continuous output current
• Less than 1 μA standby current.
• Excellent transient performance
• 3 Pin VID Output Voltage select
• External divider: 0.6V to VIN-Vdropout
• 100% duty cycle capable
• Short circuit and over current protection
• UVLO and thermal protection
• RoHS compliant; MSL 3 260°C reflow
Product Overview
The Ultra-Low-Profile EN5311QI is targeted to applications where board area and profile are critical. EN5311QI is a complete power conversion solution requiring only two low cost ceramic MLCC caps. Inductor, MOSFETS, PWM, and compensation are integrated into a tiny 5mm x 4mm x 1.1mm QFN package. The EN5311QI is engineered to simplify design and to minimize layout constraints. 4 MHz switching frequency and internal type III compensation provides superior transient response. With a 1.1 mm profile, the EN5311QI is ideal for space and height constrained applications.
A 3-pin VID output voltage selector provides seven pre-programmed output voltages along with an option for external resistor divider. Output voltage can be programmed on-the-fly to provide fast, dynamic voltage scaling.
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