XR76203-Q Datasheet, PDF (16/20 Pages) Exar Corporation – AEC-Q100 Qualified 40V PowerBlox 3A/5A/8A Synchronous Step Down COT Regulator

Application Circuit, XR76208-Q
XR76203-Q/XR76205-Q/XR76208-Q
OPTIONAL
CSNB 0.56nF RSNB 1 Ohm
CBST 1uF
R4 2k
R3 18.2k
SW RLIM 5.49k 1
2
RON 28k
3
CSS 47nF
4
5
VCC
R5 10k
6
FB
7
ILIM
EN
TON
SS
PGOOD
FB
AGND
U1
XR762084
CIN 0.1uF
CVCC 4.7uF
PVIN
24VIN
PVIN ²²
PVIN ²¹
SW ²⁰
PGND ¹⁹
PGND ¹⁸
PGND ¹⁷
PGND ¹⁶
PGND ¹⁵
CIN
2x 10uF/50V
IHLP-5050FD-01 _{400kHz, 3.3V @ 0-8A}
2.2uH
CFF
0.27nF
FB
R1
9.09k
COUT
3x 47uF/10V
R2
2k
©2016-2017 Exar Corporation
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exar.com/XR76203-Q/XR76205-Q/XR76208-Q
Rev 1C