CAUTION
Caution Hot surface.
Contact may cause burns.
Do not touch.
V
OUT
= 5 V
SW
FB
VIN
EN/UVLO
TC
GND
SS/BIAS
RSET
LM5180
C
OUT
C
IN
100 F
2.2 F
T
1
V
IN
= 10 V...65 V
3 : 1
D
FLY
R
SET
12.1 k
:
R
FB
158 k
:
D
2
D
1
R
TC
130 k
:
C
SS
47 nF
Copyright © 2018, Texas Instruments Incorporated
D
OUT
5.6 V
24 V
Application Circuit Diagram
5
SNVU592D – July 2018 – Revised April 2020
Copyright © 2018–2020, Texas Instruments Incorporated
LM5180-Q1 Single-Output EVM User's Guide
3
Application Circuit Diagram
shows the schematic of an LM5180 PSR flyback converter (EMI filter stage not shown). Soft start
(SS), temperature compensation (TC), and UVLO (EN/UVLO) components are shown that are
configurable as required for the specific application.
Figure 1. LM5180 PSR Flyback Converter Simplified Schematic
4
EVM Photo
Figure 2. EVM Photo (Top Side), 50 mm × 35 mm
