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XR76108 Datasheet(PDF) 15 Page - Exar Corporation |
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XR76108 Datasheet(HTML) 15 Page - Exar Corporation |
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15 / 17 page  XR76108 and XR76112 © 2013-2014 Exar Corporation 15/17 www.exar.com Rev. 2A Applications Circuit Figure 37: XR76112 Application circuit schematic Figure 37: XR76108 Application circuit schematic R3 60.4k 1-2 --> CCM 2-3 --> DCM / CCM R4 71.5k DZ MMSZ4685 C 0.22uF RZ 10k J1 1 1 2 2 3 3 Circuit to derive EN / MODE from VIN FB XR76112 ILIM 1 TON 3 EN 2 SS 4 PGOOD 5 FB 6 AGND 7 PGND 15 PGND 17 PGND 18 PGND 19 SW 20 PVIN 21 PVIN 22 PGND 16 AGND PAD PGND PAD 600kHz, 12A@1.2VOUT CVCC 4.7uF 12VIN L1 IHLP-4040DZ-01 0.56uH @ 27A, 1.7mOhm R1 2k R2 2k CSS 47nF EN/MODE CIN 0.1uF R5 10k CFF 2.2nF PVIN 3x10uF VCC FB RON 6.8k VCC RFF 5 Ohm PVIN 470uF CBST 0.1uF SW RLIM 2.5k 3x22uF RSNB 1 Ohm CSNB 1.5nF PGOOD FB R3 60.4k 1-2 --> CCM 2-3 --> DCM / CCM R4 71.5k DZ MMSZ4685 C 0.22uF RZ 10k J1 1 1 2 2 3 3 Circuit to derive EN / MODE from VIN PGOOD XR76108 ILIM 1 TON 3 EN 2 SS 4 PGOOD 5 FB 6 AGND 7 PGND 15 PGND 17 PGND 18 PGND 19 SW 20 PVIN 21 PVIN 22 PGND 16 AGND PAD PGND PAD 600kHz, 8A@1.2VOUT 12VIN CVCC 4.7uF L1 IHLP-4040DZ-01 1uH @ 17.5A, 3.7mOhm R1 2k R2 2k CSS 47nF EN/MODE CIN 0.1uF R5 10k CFF 4.7nF 2x10uF PVIN VCC RON 6.8k FB VCC RFF 0 Ohm PVIN 330uF CBST 0.1uF SW RLIM 2.2k 3x22uF RSNB 1 Ohm CSNB 1nF |
Similar Part No. - XR76108 |
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Similar Description - XR76108 |
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