XR76203 Datasheet, PDF (17/20 Pages) Exar Corporation – 3A/5A/8A Synchronous Step Down COT Regulator

Application Circuit, XR76205
XR76203/5/8
OPTIONAL
CSNB 0.33nF RSNB 1 Ohm
CBST 1uF
R4 2k
R3 18.2k
SW RLIM 8.06k 1
2
RON 29.4k
3
CSS 47nF
4
5
VCC
R5 10k
6
FB
7
ILIM
EN
TON
SS
PGOOD
FB
AGND
U1
XR76205
CIN1 0.1uF
CVCC 4.7uF
PVIN
24VIN
PVIN ²²
PVIN ²¹
SW ²⁰
PGND ¹⁹
PGND ¹⁸
PGND ¹⁷
PGND ¹⁶
PGND ¹⁵
CIN
1x 10uF/50V
Wurth-74437368033 _{400kHz, 3.3V @ 0-5A}
3.3uH
CFF
0.27nF
FB
R1
9.09k
C OU T
2x 47uF/10V
R2
2k
© 2015 Exar Corporation
17 / 20
exar.com/XR76203/5/8
Rev 1A