DCM4623xD2K04A5y7z
Typical Performance Characteristics (cont.)
The following figures present typical performance at TC = 25ºC, unless otherwise noted. See associated figures for general trend data.
ꢇꢁ
ꢇꢀ
ꢄꢄ
ꢄꢃ
ꢄꢂ
ꢄꢁ
ꢄꢀ
ꢆꢄ
ꢆꢃ
ꢆꢂ
ꢆꢁ
ꢆꢀ
ꢁꢂ
ꢁꢁ
ꢁꢀ
ꢅꢄ
ꢅꢃ
ꢅꢂ
ꢅꢁ
ꢅꢀ
ꢄ
ꢈꢀꢀ
ꢇꢀꢀ
ꢆꢀꢀ
ꢅꢀꢀ
ꢄꢀꢀ
ꢃꢀꢀ
ꢂꢀꢀ
ꢁꢀꢀ
ꢀ
ꢃ
ꢂ
ꢁ
ꢀ
ꢈꢀ
ꢀ
ꢈ
ꢅꢀ
ꢅꢈ
ꢁꢀ
ꢁꢈ
ꢉꢀ
ꢉꢈ
ꢂꢀ
ꢂꢈ
ꢅꢀ
ꢆꢀ
ꢇꢀ
ꢈꢀ
ꢉꢀ
ꢁꢀꢀ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢔꢕꢖꢗꢈꢏꢘꢓ
ꢂꢁꢀꢊꢀꢋ
ꢂꢁꢀꢊꢀꢋ
ꢁꢆꢀꢊꢀꢋ
ꢁꢆꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢄꢂꢀꢊꢀꢋꢌ
ꢂꢇꢀꢊꢀꢋꢌ
ꢁꢆꢀꢊꢀꢋꢌ
Figure 9 — Efficiency and power dissipation vs.load at TCASE = -40°C,
Figure 12 — Nominal powertrain switching frequency vs. load,
nominal trim
at nominal trim
ꢅꢀꢀ
ꢉꢀ
ꢄꢀ
ꢈꢀ
ꢃꢀ
ꢇꢀ
ꢂꢀ
ꢆꢀ
ꢁꢀ
ꢅꢀ
ꢀ
ꢁꢃ
ꢁꢂ
ꢁꢁ
ꢁꢀ
ꢅꢄ
ꢅꢃ
ꢅꢂ
ꢅꢁ
ꢅꢀ
ꢄ
ꢃ
ꢂ
ꢁ
ꢀ
ꢇꢀ
ꢀ
ꢇ
ꢅꢀ
ꢅꢇ
ꢁꢀ
ꢁꢇ
ꢆꢀ
ꢆꢇ
ꢂꢀ
ꢂꢇ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢂꢁꢀꢊꢀꢋ
ꢂꢁꢀꢊꢀꢋ
ꢁꢈꢀꢊꢀꢋ
ꢁꢈꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
Figure 10 — Efficiency and power dissipation vs.load at TCASE = 25°C,
Figure 13 — Effective internal input capacitance vs. applied voltage
nominal trim
ꢂꢀꢀ
ꢉꢀ
ꢈꢀ
ꢇꢀ
ꢆꢀ
ꢁꢀ
ꢅꢀ
ꢄꢀ
ꢃꢀ
ꢂꢀ
ꢀ
ꢄꢀ
ꢃꢁ
ꢃꢀ
ꢂꢁ
ꢂꢀ
ꢁ
ꢀ
ꢁꢀ
ꢀ
ꢁ
ꢂꢀ
ꢂꢁ
ꢃꢀ
ꢃꢁ
ꢄꢀ
ꢄꢁ
ꢅꢀ
ꢅꢁ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢅꢃꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢃꢇꢀꢊꢀꢋ
ꢃꢇꢀꢊꢀꢋ
ꢂꢆꢀꢊꢀꢋ
ꢂꢆꢀꢊꢀꢋ
Figure 11 — Efficiency and power dissipation vs.load at TCASE = 90°C,
Figure 14 — Startup from EN, VIN = 270 V, COUT_EXT = 10000 µF,
LOAD = 0.073 Ω
nominal trim
R
DCM™ DC-DC Converter
Rev 1.0
Page 12 of 23
01/2018