ISL97642 Просмотр технического описания (PDF) - Intersil
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ISL97642 Datasheet PDF : 19 Pages
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ISL97642
Typical Performance Curves
100
90
80
70
60
50
40
30
20
10
0
0
VIN = 3V
VIN = 5V
200 400 600 800 1000 1200
LOAD CURRENT (mA)
FIGURE 1. BOOST EFFICIENCY AT VOUT = 12V (PI MODE)
94
92
90
88
86
84
VIN = 3V
VIN = 5V
82
80
78
0 200 400 600 800 1000 1200
LOAD CURRENT (mA)
FIGURE 2. BOOST EFFICIENCY AT VOUT = 12V (P MODE)
0
-0.1
VIN = 3V
-0.2
-0.3
-0.4
VIN = 5V
-0.5
-0.6
0
200 400 600 800 1000 1200
LOAD CURRENT (mA)
FIGURE 3. BOOST LOAD REGULATION vs LOAD CURRENT
(PI MODE)
0.12
0.10
0.08
0.06
0.04
0.02
0
3.0 3.5 4.0 4.5 5.0 5.5 6.0
INPUT VOLTAGE (V)
FIGURE 4. BOOST LINE REGULATION vs INPUT VOLTAGE
(PI MODE)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3.0 3.5 4.0 4.5 5.0 5.5 6.0
INPUT VOLTAGE (V)
FIGURE 5. BOOST LINE REGULATION vs INPUT VOLTAGE
(P MODE)
BOOST OUTPUT
VOLTAGE
(AC COUPLING)
BOOST OUTPUT
CURRENT
VBOOST = 12V
COUT = 30µF
FIGURE 6. BOOST PULSE LOAD TRANSIENT RESPONSE
7
FN6436.0
June 18, 2007
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