DCM4623xD2H31E0y7z
Typical Performance Characteristics (cont.)
The following figures present typical performance at TC = 25ºC, unless otherwise noted. See associated figures for general trend data.
ꢈꢇ
ꢈꢅ
ꢈꢃ
ꢈꢀ
ꢆꢆ
ꢆꢇ
ꢆꢅ
ꢆꢃ
ꢆꢀ
ꢅꢁ
ꢅꢀ
ꢄꢁ
ꢄꢀ
ꢃꢁ
ꢃꢀ
ꢂꢁ
ꢂꢀ
ꢁ
ꢁꢂꢀꢀ
ꢁꢁꢀꢀ
ꢁꢀꢀꢀ
ꢉꢀꢀ
ꢈꢀꢀ
ꢇꢀꢀ
ꢆꢀꢀ
ꢅꢀꢀ
ꢄꢀꢀ
ꢃꢀꢀ
ꢂꢀꢀ
ꢁꢀꢀ
ꢀ
ꢀ
ꢂꢆ
ꢀ
ꢃ
ꢅ
ꢇ
ꢆ
ꢂꢀ
ꢂꢃ
ꢂꢅ
ꢂꢇ
ꢅꢀ
ꢆꢀ
ꢇꢀ
ꢈꢀ
ꢉꢀ
ꢁꢀꢀ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢔꢕꢖꢗꢈꢏꢘꢓ
ꢅꢃꢀꢉꢀꢊ
ꢅꢃꢀꢉꢀꢊ
ꢄꢀꢀꢉꢀꢊ
ꢄꢀꢀꢉꢀꢊ
ꢃꢀꢀꢉꢀꢊ
ꢃꢀꢀꢉꢀꢊ
ꢄꢂꢀꢊꢀꢋꢌ
ꢃꢀꢀꢊꢀꢋꢌ
ꢂꢀꢀꢊꢀꢋꢌ
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
ꢈꢇ
ꢈꢅ
ꢈꢃ
ꢈꢀ
ꢆꢆ
ꢆꢇ
ꢆꢅ
ꢆꢃ
ꢆꢀ
ꢅꢁ
ꢅꢀ
ꢄꢁ
ꢄꢀ
ꢃꢁ
ꢃꢀ
ꢂꢁ
ꢂꢀ
ꢁ
ꢀ
ꢂꢆ
ꢀ
ꢃ
ꢅ
ꢇ
ꢆ
ꢂꢀ
ꢂꢃ
ꢂꢅ
ꢂꢇ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢅꢃꢀꢉꢀꢊ
ꢅꢃꢀꢉꢀꢊ
ꢄꢀꢀꢉꢀꢊ
ꢄꢀꢀꢉꢀꢊ
ꢃꢀꢀꢉꢀꢊ
ꢃꢀꢀꢉꢀꢊ
Figure 10 — Efficiency and power dissipation vs.load at TCASE = 25°C,
Figure 13 — Effective internal input capacitance vs. applied voltage
nominal trim
ꢉꢈ
ꢉꢅ
ꢉꢃ
ꢉꢀ
ꢇꢇ
ꢇꢈ
ꢇꢅ
ꢇꢃ
ꢇꢀ
ꢆꢇ
ꢁꢀ
ꢅꢁ
ꢅꢀ
ꢄꢁ
ꢄꢀ
ꢃꢁ
ꢃꢀ
ꢂꢁ
ꢂꢀ
ꢁ
ꢀ
ꢂꢇ
ꢀ
ꢃ
ꢅ
ꢈ
ꢇ
ꢂꢀ
ꢂꢃ
ꢂꢅ
ꢂꢈ
ꢕꢁꢊꢖꢅꢗꢘꢄꢄꢃꢌꢋꢅꢍꢙꢏ
ꢅꢃꢀꢊꢀꢋ
ꢅꢃꢀꢊꢀꢋ
ꢄꢀꢀꢊꢀꢋ
ꢄꢀꢀꢊꢀꢋ
ꢃꢀꢀꢊꢀꢋ
ꢃꢀꢀꢊꢀꢋ
Figure 11 — Efficiency and power dissipation vs.load at TCASE = 90°C,
Figure 14 — Startup from EN, VIN = 300 V, COUT_EXT = 2000 µF,
LOAD = 1.568 Ω
nominal trim
R
DCM™ DC-DC Converter
Rev 1.0
Page 12 of 23
08/2017