ISL8502 Intersil Corporation, ISL8502 Datasheet - Page 12

• Manufacturer Part Number: ISL8502
• Description: 2.5A Synchronous Buck Regulator
• Manufacturer: Intersil Corporation

Typical Performance Curves
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notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
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FIGURE 31. POSITIVE OUTPUT SHORT CIRCUIT (HICCUP
FIGURE 33. RECOVER FROM POSITIVE SHORT CIRCUIT
MODE)
PGOOD1
2V/DIV
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5V/DIV
SS1
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
PHASE1
10V/DIV
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PHASE1
10V/DIV
V
2V/DIV
OUT1
1A/DIV
IL1
12
2A/DIV
IL1
V
T
A
IN
= +25° C, unless otherwise noted. (Continued)
= 12V, V
VOUT1
1V/DIV
OUT
= 2.5V, I
ISL8502
O
= 2A, fs = 500kHz, L = 4.7µH, C
FIGURE 32. NEGATIVE OUTPUT SHORT CIRCUIT
PHASE1
5V/DIV
2A/DIV
PHASE1
FIGURE 34. LOAD TRANSIENT
10V/DIV
IL1
IN
IOUT1
2A/DIV
= 20µF, C
OUT
= 100µF+22µF,
VOUT1 RIPPLE
50mV/DIV
January 17, 2007
PGOOD1
2A/DIV
5V/DIV
V
2V/DIV
IL1
OUT1
FN6389.0