ISL8502 Intersil Corporation, ISL8502 Datasheet - Page 8

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

Typical Performance Curves
FIGURE 11. V
FIGURE 9. V
1.206
1.205
1.204
1.203
1.202
1.201
1.200
1.815
1.815
1.814
1.814
1.813
1.813
1.812
1.812
1.811
1.811
1.810
100
90
80
70
60
50
40
30
20
10
0
FIGURE 7. EFFICIENCY vs LOAD (5V 500kHz)
0
0
0
OUT
7V
OUT
14V
IN
REGULATION vs LOAD (V
REGULATION vs LOAD (V
9V
IN
5V
IN
14V
IN
5V
IN
IN
9V
OUTPUT LOAD (A)
OUTPUT LOAD (A)
OUTPUT LOAD (A)
IN
14V
1
1
1
8
IN
OUT
OUT
V
T
9V
A
IN
= +25° C, unless otherwise noted. (Continued)
IN
= 12V, V
= 1.2V 500kHz)
= 1.8V 500kHz)
2
2
2
OUT
= 2.5V, I
ISL8502
O
= 2A, fs = 500kHz, L = 4.7µH, C
FIGURE 8. V
FIGURE 10. V
FIGURE 12. V
0.6026
0.6025
0.6024
0.6023
0.6022
0.6021
0.6020
0.6019
1.520
1.518
1.516
1.514
1.512
1.510
2.515
2.513
2.511
2.509
2.507
2.505
0
0
0
OUT
OUT
OUT
REGULATION vs LOAD (V
REGULATION vs LOAD (V
REGULATION vs LOAD (V
5V
14V
5V
IN
IN
IN
IN
OUTPUT LOAD (A)
= 20µF, C
9V
OUTPUT LOAD (A)
OUTPUT LOAD (A)
1
IN
1
1
5V
OUT
IN
14V
9V
= 100µF+22µF,
IN
IN
9V
OUT
OUT
OUT
IN
= 0.6V 500kHz)
= 1.5V 500kHz)
= 2.5V 500kHz)
2
January 17, 2007
2
2
14V
FN6389.0
IN