ISL78022 Intersil Corporation, ISL78022 Datasheet - Page 7

• Manufacturer Part Number: ISL78022
• Description: (ISL78020 / ISL78022) Automotive Grade 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
100
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0.12
0.10
0.08
0.06
0.04
0.02
90
80
70
60
50
40
30
20
10
0
0
0
(PI-MODE)
(PI-MODE)
0
0
3.0
200
200
V
V
IN
3.5
IN
LOAD CURRENT (mA)
= 5V
= 3V
LOAD CURRENT (mA)
400
400
V
INPUT VOLTAGE (V)
IN
4.0
= 3V
7
600
600
V
4.5
IN
= 5V
800
800
OUT
5.0
T
= 12V (PI-MODE)
A
1000
1000
= +25°C, unless otherwise specified.
5.5
1200
1200
ISL78020, ISL78022
6.0
FIGURE 2. BOOST EFFICIENCY AT V
FIGURE 4. BOOST LOAD REGULATION vs LOAD CURRENT
FIGURE 6. BOOST LINE REGULATION vs INPUT VOLTAGE
-10
-12
-14
-2
-4
-6
-8
94
92
90
88
86
84
82
80
78
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
0
(P-MODE)
(P-MODE)
3.0
V
V
200
200
IN
IN
3.5
= 3V
= 3.3V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
400
400
INPUT VOLTAGE (V)
4.0
600
600
V
4.5
IN
= 5.0V
800
V
800
IN
OUT
5.0
= 5V
= 12V (P-MODE)
1000
1000
5.5
December 6, 2007
1200
1200
6.0
FN6386.2