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MAX77387 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX77387
Description  Dual-Phase Adaptive DC-DC Step-Up Converter With 2x 1000mA High-Side Current Regulators
PDF  80 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX77387 Datasheet(HTML) 4 Page - Maxim Integrated Products

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MAX77387
Dual-Phase Adaptive DC-DC Step-Up Converter
With 2x 1000mA High-Side Current Regulators
4
Maxim Integrated
LIST OF FIGURES
Figure 1. Detailed Block Diagram and Typical Application Circuit ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. 29
Figure 2. Modes of Operation .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... .. ... ... .. ... .. ... .. 30
Figure 3. DC-DC Converter Soft-Start for DCDC_MODE = 00 .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... . 33
Figure 4. DC-DC Converter Soft-Start for DCDC_MODE = 01 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 5 DC-DC Converter Soft-Start for DCDC_MODE = 10.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... .. 34
Figure 6. DC-DC Converter Soft-Start for DCDC_MODE = 11 .. ... .. ... ... .. ... ... .. .. ... ... .. ... ... .. . 34
Figure 7. Driving Two LED Configuration ... .. ... .. ... .. ... .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. .. 36
Figure 8. Driving a Single LED Configuration.. .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... .. ... .. 36
Figure 9. Maximum Flash Timer Mode/Disabled Torch Timer Mode .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. 38
Figure 10. One-Shot Torch/Flash Timer Mode.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... . 38
Figure 11. TX1_MASK or TX2_MASK During Flash Mode .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. 40
Figure 12. TX1_MASK and TX2_MASK Occurring at Same Time .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. .. 40
Figure 13. 2-Wire Serial Interface Timing Detail.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... 41
Figure 14. Bit Transfer . .. ... ... .. ... .. ... ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... . 42
Figure 15. START and STOP Conditions .. .. ... ... .. ... ... .. .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. 42
Figure 16. Acknowledge.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... .. 42
Figure 17. Write to the IC . .. ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... .. ... ... .. 43
Figure 18. Read from the IC.. .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. .. 44
Figure 19. Output Capacitor Star Connection . ... ... .. ... .. ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... . 76
Figure 20. 20-Bump WLP Recommended Layout for 2x1.5A Input Current Limit.. .. ... ... .. ... ... .. ... .. ... 78



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