ISL78205 Intersil Corporation, ISL78205 Datasheet - Page 10

• Manufacturer Part Number: ISL78205
• Description: 2.5A Buck Controller
• Manufacturer: Intersil Corporation

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Typical Performance Curves
PHASE 20V/DIV
I
OUT
FIGURE 11. SYNCHRONOUS BUCK, V
1A/DIV
FIGURE 9. V
FIGURE 13. V
PHASE 20V/DIV
V
OUT
V
PHASE 20V/DIV
OUT
20mV/DIV (5V OFFSET)
IN
IN
36V, PRE-BIASED START-UP
100mV/DIV (5V OFFSET)
24V, 0A TO 2A STEP LOAD
2ms/DIV
1ms/div
5µs/div
10
V
OUT
2V/DIV
IN
36V, I
O
2A
(Continued)
ISL78205
FIGURE 12. SYNCHRONOUS BUCK MODE, V
FIGURE 14. NON-SYNCHRONOUS BUCK, FORCE PWM MODE,
FIGURE 10. SYNCHRONOUS BUCK MODE, V
PHASE 5V/DIV
ENABLE ON
ENABLE OFF
V
IN
V
PHASE 20V/DIV
V
OUT
PHASE 20V/DIV
12V, NO LOAD
OUT
2V/DIV
2V/DIV
20µs/div
2ms/DIV
2ms/div
V
OUT
10mV/DIV (5V OFFSET)
IN
IN
36V, I
36V, I
September 22, 2011
O
O
2A,
2A,
FN7926.0
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