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AAT2510 Datasheet(PDF) 1 Page - Advanced Analogic Technologies |
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AAT2510 Datasheet(HTML) 1 Page - Advanced Analogic Technologies |
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1 / 20 page  AAT2510 Dual 400mA, 1MHz Step-Down DC-DC Converter 2510.2006.05.1.10 1 SystemPower™ General Description The AAT2510 is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product fam- ily. It is comprised of two 1MHz step-down con- verters designed to minimize external component size and cost. The input voltage ranges from 2.7V to 5.5V. The output voltage ranges from 0.6V to the maximum applied input voltage and is either fixed or externally adjustable. Peak current mode control with internal compensa- tion provides a stable converter with low ESR ceram- ic output capacitors for extremely low output ripple. Each channel has a low 25µA quiescent operating current, which is critical for maintaining high effi- ciency at light load. For maximum battery life, each converter's high- side P-channel MOSFET conducts continuously when the input voltage approaches dropout (100% duty cycle operation). Both regulators have independent input and enable inputs. The AAT2510 is available in a thermally-enhanced 12-pin TDFN33 package, and is rated over the -40°C to +85°C temperature range. Features • Up to 96% Efficiency • 25µA Quiescent Current Per Channel •VIN Range: 2.7V to 5.5V • Fixed VOUT Range: 0.6V to VIN • Adjustable VOUT Range: 0.6V to 2.5V • Output Current: 400mA • Low RDS(ON) 0.4Ω Integrated Power Switches • Low Drop Out 100% Duty Cycle • 1.0MHz Switching Frequency • Shutdown Current <1µA • Current Mode Operation • Internal Reference Soft Start • Short-Circuit Protection • Over-Temperature Protection • 3mm x 3mm, < 1mm high • TDFN33-12 Package • -40°C to +85°C Temperature Range Applications • Cellular Phones • Digital Cameras • Handheld Instruments • Microprocessor/DSP Core/IO Power • PDAs and Handheld Computers • Portable Media Players Typical Application AAT2510 Efficiency Load Current (mA) 60 65 70 75 80 85 90 95 100 0.1 1 10 100 1000 2.5V 1.8V VIN = 3.3V with unloaded output disabled 4.7 μH L1 4.7 μF C1 2.5V at 400mA 4.7 μH L2 4.7 μF C2 1.8V at 400mA 10 μF C3 VIN = 2.7 - 5.5V 0.1 μF C8 FB1 2 EN1 1 LX1 11 GND2 7 LX2 8 GND1 10 SGND1 3 VIN1 12 VIN2 9 SGND2 6 FB2 5 EN2 4 AAT2510 U1 L1,L2 Sumida CDRH3D16-4R7 C1,C2 Murata GRM219R61A475KE19 C3 Murata GRM21BR60J106KE19 |
Similar Part No. - AAT2510_06 |
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Similar Description - AAT2510_06 |
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