DCM4623xD2K31E0y7z
Typical Performance Characteristics (cont.)
The following figures present typical performance at TC = 25ºC, unless otherwise noted. See associated figures for general trend data.
ꢉꢇ
ꢉꢁ
ꢉꢅ
ꢉꢄ
ꢉꢃ
ꢉꢂ
ꢉꢀ
ꢆꢉ
ꢆꢆ
ꢆꢈ
ꢆꢇ
ꢆꢁ
ꢆꢅ
ꢆꢄ
ꢆꢃ
ꢅꢁ
ꢅꢀ
ꢄꢁ
ꢄꢀ
ꢃꢁ
ꢃꢀ
ꢂꢁ
ꢂꢀ
ꢁ
ꢈꢀꢀ
ꢇꢀꢀ
ꢆꢀꢀ
ꢅꢀꢀ
ꢄꢀꢀ
ꢃꢀꢀ
ꢂꢀꢀ
ꢁꢀꢀ
ꢀ
ꢀ
ꢂꢆ
ꢀ
ꢃ
ꢅ
ꢇ
ꢆ
ꢂꢀ
ꢂꢃ
ꢂꢅ
ꢂꢇ
ꢅꢀ
ꢆꢀ
ꢇꢀ
ꢈꢀ
ꢉꢀ
ꢁꢀꢀ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢔꢕꢖꢗꢈꢏꢘꢓ
ꢅꢃꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢃꢈꢀꢊꢀꢋ
ꢃꢈꢀꢊꢀꢋ
ꢂꢇꢀꢊꢀꢋ
ꢂꢇꢀꢊꢀꢋ
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
ꢉꢇ
ꢉꢁ
ꢉꢅ
ꢉꢄ
ꢉꢃ
ꢉꢂ
ꢉꢀ
ꢆꢉ
ꢆꢆ
ꢆꢈ
ꢆꢇ
ꢆꢁ
ꢆꢅ
ꢆꢄ
ꢆꢃ
ꢆꢂ
ꢅꢁ
ꢅꢀ
ꢄꢁ
ꢄꢀ
ꢃꢁ
ꢃꢀ
ꢂꢁ
ꢂꢀ
ꢁ
ꢀ
ꢂꢆ
ꢀ
ꢃ
ꢅ
ꢇ
ꢆ
ꢂꢀ
ꢂꢃ
ꢂꢅ
ꢂꢇ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢅꢃꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢃꢈꢀꢊꢀꢋ
ꢃꢈꢀꢊꢀꢋ
ꢂꢇꢀꢊꢀꢋ
ꢂꢇꢀꢊꢀꢋ
Figure 10 — Efficiency and power dissipation vs.load at TCASE = 25°C,
Figure 13 — Effective internal input capacitance vs. applied voltage
nominal trim
ꢉꢁ
ꢉꢅ
ꢉꢄ
ꢉꢃ
ꢉꢂ
ꢉꢀ
ꢆꢉ
ꢆꢆ
ꢆꢈ
ꢆꢇ
ꢆꢁ
ꢆꢅ
ꢆꢄ
ꢆꢃ
ꢆꢂ
ꢆꢀ
ꢁꢁ
ꢁꢀ
ꢅꢁ
ꢅꢀ
ꢄꢁ
ꢄꢀ
ꢃꢁ
ꢃꢀ
ꢂꢁ
ꢂꢀ
ꢁ
ꢀ
ꢂꢆ
ꢀ
ꢃ
ꢅ
ꢇ
ꢆ
ꢂꢀ
ꢂꢃ
ꢂꢅ
ꢂꢇ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢅꢃꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢃꢈꢀꢊꢀꢋ
ꢃꢈꢀꢊꢀꢋ
ꢂꢇꢀꢊꢀꢋ
ꢂꢇꢀꢊꢀꢋ
Figure 11 — Efficiency and power dissipation vs.load at TCASE = 90°C,
Figure 14 — Startup from EN, VIN = 270 V, COUT_EXT = 2000 µF,
LOAD = 1.568 Ω
nominal trim
R
DCM™ DC-DC Converter
Rev 1.0
Page 12 of 23
07/2017