ISL97645A Просмотр технического описания (PDF) - Intersil
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ISL97645A Datasheet PDF : 15 Pages
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ISL97645A
I
Typical Performance Curves
100
fOSC = 650kHz
90
80
fOSC = 1.2MHz
70
60
50
40
30
20
10
0
0
200
400
600
800 1000
IAVDD (mA)
FIGURE 1. AVDD EFFICIENCY vs IAVDD
1200
0
-0.1
-0.2
-0.3
fOSC = 650kHz
-0.4
-0.5
-0.6
fOSC = 1.2MHz
-0.7
-0.8
-0.9
0
200
400
600
800 1000 1200
IAVDD (mA)
FIGURE 2. AVDD LOAD REGULATION vs IAVDD
10.5
10.45
10.4
10.35
AVDD 150mA
AVDD 500mA
10.3
10.25
10.2
10.15
3
3.5
4.0
4.5
5.0
5.5
6.0
VIN (V)
FIGURE 3. LINE REGULATION AVDD vs VIN
L = 10µH, COUT = 40µF, CCOMP = 2.2nF, RCOMP = 10k
IAVDD
AVDD (AC COUPLED)
FIGURE 4. BOOST CONVERTER TRANSIENT RESPONSE
CE = 1pF, RE = 100k
VGH_M
CE = 1000pF, RE = 100k
VGH_M
VFLK
VFLK
FIGURE 5. GPM CIRCUIT WAVEFORM
5
FIGURE 6. GPM CIRCUIT WAVEFORM
FN6353.0
July 2, 2007
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