ISL78226 Datasheet, PDF (33/94 Pages) Intersil Corporation – Cycle-by-cycle peak current limiting

ISL78226
Typical Performance Curves All the performance curves are taken from the Evaluation Board (ISL78226EVAL1Z)
unless otherwise noted. (Continued)
50
50
45
45
40
40
35
+25°C
30
-40°C
25
+125°C
20
30 35 40 45 50 55 60 65 70 75
TRACK PIN DUTY RATIO (%)
FIGURE 26. BAT48 OUTPUT VOLTAGE, 500kHz
35
+25°C
30
-40°C
25
+125°C
20
30 35 40 45 50 55 60 65 70 75
TRACK PIN DUTY RATIO (%)
FIGURE 27. BAT48 OUTPUT VOLTAGE (DIGITAL TRACKING MODE,
FTRK = 200kHz, BOOST MODE, DE MODE, PHASE DROP
DISABLED, F_clk = 100kHz)
50
45
40
35
25°C
30
-40°C
25
125°C
20
30 35 40 45 50 55 60 65 70 75
TRACK PIN DUTY RATIO (%)
FIGURE 28. BAT48 OUTPUT VOLTAGE, 150kHz
50
45
40
35
500kHz
30
200kHz
25
150kHz
20
30 35 40 45 50 55 60 65 70 75
TRACK PIN DUTY RATIO (%)
FIGURE 29. BAT48 OUTPUT VOLTAGE (DIGITAL TRACKING MODE,
BUCK MODE, DE MODE, PHASE DROP DISABLED,
F_clk = 100kHz)
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FN8887.0
November 7, 2016