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MAX8571 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX8571 Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 10 page High-Efficiency LCD Boost with True Shutdown 6 _______________________________________________________________________________________ MAX8570– MAX8575 EA ILIM THERMAL SHUTDOWN OUT FB (MAX8570/MAX8571/ MAX8574 ONLY) GND (MAX8572/MAX8573/ MAX8575 ONLY) LX SW VCC 1.226V CONTROL LOGIC SHDN Figure 1. Functional Diagram MAX8570 MAX8571 MAX8574 SW VCC LX FB GND ON OFF VCC = 2.7V TO 5.5V VOUT = VBATT TO 28V R1 R2 C3 4.7µF L1 22µH C1 1µF SHDN C2 1µF C4 10pF VBATT = 0.8V TO 28V D1 Figure 4. Using a Separate Input Supply for the Inductor MAX8570 MAX8571 MAX8574 SW VCC LX FB GND ON OFF VCC = 2.7V TO 5.5V +VOUT -VOUT R1 C3 4.7µF L1 22µH C1 1µF SHDN C2 1µF C5 1µF C4 10pF C6 0.1µF D1 D3 D2 R2 Figure 5. Negative Output Voltage for LCD Bias MAX8570 MAX8571 MAX8574 SW VCC LX FB GND ON OFF VCC = 2.7V TO 5.5V VOUT = VCC TO 28V R1 R2 C3 4.7µF L1 22µH C1 1µF SHDN C2 1µF C4 10pF D1 Figure 2. Typical Application Circuit with Adjustable Output Voltage MAX8572 MAX8573 MAX8575 SW VCC LX OUT GND ON OFF VCC = 2.7V TO 5.5V VOUT = 15V C3 4.7µF L1 22µH C1 1µF SHDN C2 1µF D1 Figure 3. Typical Application Circuit with 15V Preset Output Voltage |
Similar Part No. - MAX8571 |
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Similar Description - MAX8571 |
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