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EP53A8LQA

Altera
Part Number EP53A8LQA
Manufacturer Altera
Description 1A PowerSoC Voltage Mode Synchronous PWM Buck
Published Nov 12, 2014
Detailed Description Enpirion® Power Datasheet EP53A8LQA/HQA 1A PowerSoC Voltage Mode Synchronous PWM Buck with Integrated Inductor Descript...
Datasheet PDF File EP53A8LQA PDF File

EP53A8LQA
EP53A8LQA

Overview
Enpirion® Power Datasheet EP53A8LQA/HQA 1A PowerSoC Voltage Mode Synchronous PWM Buck with Integrated Inductor Description The EP53A8LQA and EP53A8HQA are 1A PowerSoCs that are AEC-Q100 qualified for automotive applications.
The device integrates MOSFET switches, control, compensation, and the Inductor in an advanced 3mm x 3mm QFN Package.
Integrated inductor ensures the complete power solution is fully characterized with the inductor carefully matched to the silicon and compensation network.
It enables a tiny solution footprint, low output ripple, low part-count, and high reliability, while maintaining high efficiency.
The complete solution can be implemented in as little as 27mm2 and operate from -40°C to 105°C ambient temperature range.
The EP53A8xQA uses a 3-pin VID to easily select the output voltage setting.
Output voltage settings are available in 2 optimized ranges providing coverage for typical VOUT settings.
The VID pins can be changed on the fly for fast dynamic voltage scaling.
EP53A8LQA further has the option to use an external voltage divider.
Features • Integrated Inductor Technology • -40°C to +105°C Ambient Temperature Range • AEC-Q100 Qualified for Automotive Applications • 3mm x 3mm x 1.
1mm QFN Package • Total Solution Footprint ~ 27mm2 • Low VOUT Ripple for IO Compatibility • High Efficiency, up to 94% • VOUT Range 0.
6V to VIN – 0.
5V • 1A Continuous Output Current • 5 MHz Switching Frequency • 3-pin VID for Glitch Free Voltage Scaling • Short Circuit and Over Current Protection • UVLO and Thermal Protection • IC Level Reliability in a PowerSoC Solution Applications • Automotive Applications AEC-Q100 Requirement • Portable Wireless and RF applications • Wireless Broad Band Data Cards • Solid State Storage Applications • Noise and Space Sensitive Applications VIN 4.
7µF 0603 X7R EP53A8xQA 100Ω PVIN VOUT AVIN ENABLE VS0 VS1 VS2 PGND VSENSE VFB AGND Figure 1.
Simplified Applications Circuit VOUT 10µF 0805 X7R EFFICIENCY (%) 100 95 90 85 8...


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