ISL97642 Intersil Corporation, ISL97642 Datasheet - Page 7

• Manufacturer Part Number: ISL97642
• Description: TFT-LCD DC/DC
• Manufacturer: Intersil Corporation

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