AN1781 Просмотр технического описания (PDF) - Maxim Integrated

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производитель

AN1781

Graphics Chip Supply Delivers 1.65V at 26A

Maxim Integrated 

maximum output current. Without D2 and R4, the voltage on C8 can BST to LX absolute

maximum voltage of 6V.

The MAX1954 delivers 1.65V @ 26A from a 5V input. The efficiency is 86% at 26A and 90% at

10A. The output ripple is 25mVpp.

Table 1.

Vin

5.0081

4.4905

5.0125

5.509

Iin

0.086

11.13

9.95

9.04

Vout

1.6663

1.6547

1.6530

1.6513

25mVpp

Iout

Efficiency

0

26

0.861

26

0.862

26

0.862

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