ISL97652 Просмотр технического описания (PDF) - Intersil
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ISL97652 Datasheet PDF : 25 Pages
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ISL97652
Typical Performance Curves
100
95
90
85
80
8V VIN TO 14V VOUT
13V VIN TO 14V VOUT
75
12V VIN TO 14V VOUT
70
65
60
0
500
1000
1500
IOUT (mA)
FIGURE 1. BOOST EFFICIENCY @ 650kHz
2000
95
90
85
80
8V VIN TO 14V VOUT
75
12V VIN TO 14V VOUT
70
13V VIN TO 14V VOUT
65
60
55
50
0
500
1000
1500
IOUT (mA)
FIGURE 2. BOOST EFFICIENCY @ 1.3MHz
0.20
0.15
12V VIN TO 14V VOUT
0.10
0.05
0.00
-0.05
-0.10
-0.15
0
13V VIN TO 14V VOUT
8V VIN TO 14V VOUT
500
1000
1500
IOUT (mA)
2000
FIGURE 3. BOOST LOAD REGULATION @ 650kHz
0.20
0.15
8V VIN TO 14V VOUT
0.10
0.05
0.00
-0.05
-0.10
0
13V VIN TO 14V VOUT
12V VIN TO 14V VOUT
500
1000
1500
IOUT (mA)
2000
FIGURE 4. BOOST LOAD REGULATION @ 1.3MHz
0.09
0.08
0.07
0.06
0.05
0.04
0.03
fs = 1.3MHz
0.02
fs = 650kHz
0.01
0.00
8
9
10 11 12 13 14 15 16
VIN (V)
FIGURE 5. BOOST LINE REGULATION
CH3 = IOUT
CH4 = AVDD (AC COUPLED)
FIGURE 6. BOOST TRANSIENT RESPONSE @ 650kHz
6
FN9287.1
November 2, 2007
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