ISL8200AMIRZ 데이터 시트보기 (PDF) - Intersil
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ISL8200AMIRZ Datasheet PDF : 24 Pages
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PVIN
GROUND
ISL8200AM
ISFETDRV1
PVIN
VIN
FF
EN
FS Y N C _IN
CLKOUT
ISHARE_BUS
ISFETDRV
ISL8200AM
VOUT
VOUT_SET
VSEN_REM-
PGOOD
PH_CNTRL
VCC
RSET 2.2k
C205
10nF
VOUT
C9 47µF (x8)
VOUT
GROUND
VCC
VOUT = 1.2V for RSET = 2.2k
Refer to Table 1 for RSET vs. VOUT
FIGURE 5. TEST CIRCUIT FOR ALL PERFORMANCE AND DERATING GRAPHS
Typical Performance Characteristics
Efficiency Performance TA = +25°C, PVIN = VIN, CIN = 220µFx1, 10µF/Ceramic x 2, COUT = 47µF/Ceramic x 8.
100
95
90
85
80
3.3V
75
2.5V
70
1.5V
1.2V
0.8V
65
60
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 6. EFFICIENCY vs LOAD CURRENT (5VIN)
100
95
90
85
80
75
70
65
3.3V 2.5V
1.5V 1.2V
5.0V
60
0.8V
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 7. EFFICIENCY vs LOAD CURRENT (12VIN)
100
95
3.3V
90
5.0V
2.5V
85
80
75
70
65
1.5V
1.2V
60
0
2
4
6
8
10
LOAD CURRENT (A)
FIGURE 8. EFFICIENCY vs LOAD CURRENT (20VIN)
VOUT
VIN = 12V
VOUT = 1.2V
IOUT = 0A TO 5A
FIGURE 9. 1.2V TRANSIENT RESPONSE
10
FN8271.2
September 13, 2012
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