SLUUCW5 EVM User's guide

SLUUCW5 November 2023 UCC28750

Table 3-1 Efficiency Test Data

V_IN RMS	V_OUT	I_OUT	P_IN	P_OUT	EFFICIENCY
85	24.2	0.00	0.059	0	NA
85	24.145	0.055	1.573	1.3273	84.38
85	24.143	0.197	5.353	4.763	88.98
85	24.137	0.46	12.278	11.104	90.43
85	24.132	0.696	18.566	16.813	90.55
85	24.13	0.968	25.8	23.357	90.53
85	24.127	1.2119	32.462	29.239	90.07
85	24.125	1.451	39	35	89.74
85	24.122	1.6398	44.17	39.554	89.54
85	24.12	1.887	50.88	45.53	89.48
85	24.113	2.231	60.4	53.83	89.12
85	24.1	2.726	73.9	65	88.97
115	24.21	0.000	0.065	0.000	NA
115	24.145	0.055	1.57	1.328	84.58
115	24.136	0.196	5.35	4.747	88.73
115	24.131	0.46	12.26	11.09	90.45
115	24.126	0.698	18.56	16.85	90.78
115	24.122	0.972	25.76	23.45	91.03
115	24.120	1.211	32.09	29.21	91.02
115	24.115	1.449	38.41	34.96	91.02
115	24.113	1.74]	46.25	42.02	90.85
115	24.112	1.88	49.97	45.35	90.75
115	24.110	2.228	59.2	53.73	90.76
115	24.108	2.72	72.6	65	89.53
230	24.227	0.000	0.102	0.000	NA
230	24.147	0.055	1.6628	1.328	80
230	24.138	0.197	5.512	4.759	86.34
230	24.135	0.46	12.425	11.106	89.38
230	24.135	0.696	18.644	16.812	90.17
230	24.133	0.969	25.7	23.379	90.96
230	24.132	1.2113	32.1	29.219	91.02
230	24.128	1.4512	38.5	35.017	90.95
230	24.123	1.6398	43.418	39.548	91.08
230	24.121	1.8872	49.95	45.51	91.11
230	24.118	2.23	59	53.83	91.23
230	24.115	2.7287	72.33	65.813	90.99
265	24.32	0	0.151	0	NA
265	24.144	0.055	1.7	1.33	78.2
265	24.134	0.197	5.5925	4.7635	85.17
265	24.132	0.46	12.56	11.108	88.43
265	24.13	0.697	18.76	16.83	89.7
265	24.128	0.968	25.903	23.348	90.13
265	24.126	1.211	32.224	29.21	90.64
265	24.125	1.4513	38.53	35.018	90.88
265	24.122	1.64	43.54	39.55	90.83
265	24.12	1.8872	50.06	45.52	90.91
265	24.118	2.231	59.13	53.813	91
265	24.115	2.72	72.09	65.63	91.03

Figure 3-1 Efficiency

Note: The inductor L1, which is mounted on the PCB and shown in BOM needs to be removed and shorted out to get best efficiency results.