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AAT2510IWP-AW-T1 Datasheet(PDF) 8 Page - Advanced Analogic Technologies |
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AAT2510IWP-AW-T1 Datasheet(HTML) 8 Page - Advanced Analogic Technologies |
8 / 20 page AAT2510 Dual 400mA, 1MHz Step-Down DC-DC Converter 8 2510.2006.05.1.10 Functional Block Diagram Note: Internal resistor divider included for ≥1.2V versions. For low voltage versions, the feedback pin is tied directly to the error amplifier input. EN1 LX1 Err. Amp. DH DL GND1 VIN1 FB1 SGND2 Voltage Reference Control Logic EN2 LX2 Err. Amp. DH DL GND2 Comp. Logic Logic Control Logic VIN2 FB2 SGND1 Voltage Reference Comp. See Note See Note Operation Device Summary The AAT2510 is a constant frequency peak current mode PWM converter with internal compensation. Each channel has independent input, enable, feed- back, and ground pins with non-synchronized 1MHz clocks. Both converters are designed to operate with an input voltage range of 2.7V to 5.5V. The output voltage ranges from 0.6V to the input voltage for the internally fixed version and up to 2.5V for the externally adjustable version. The 0.6V fixed model shown in Figure 1 is also the adjustable version and is externally programmable with a resistive divider as shown in Figure 2. The converter MOS- FET power stage is sized for 400mA load capabili- ty with up to 96% efficiency. Light load efficiency exceeds 80% at a 500µA load. |
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