isl97645a Intersil Corporation, isl97645a Datasheet - Page 5

• Manufacturer Part Number: isl97645a
• Description: Boost + Von Slice + Vcom
• Manufacturer: Intersil Corporation

I
Typical Performance Curves
100
10.45
10.35
10.25
10.15
90
80
70
60
50
40
30
20
10
10.5
10.4
10.3
10.2
0
0
FIGURE 3. LINE REGULATION A
3
FIGURE 1. A
FIGURE 5. GPM CIRCUIT WAVEFORM
200
3.5
VGH_M
VFLK
400
VDD
4.0
A
EFFICIENCY vs IA
IA
VDD
VDD
5
600
V
150mA
IN
4.5
(mA)
f
(V)
OSC
CE = 1pF, RE = 100k
f
OSC
= 1.2MHz
800
= 650kHz
5.0
VDD
A
VDD
vs V
VDD
500mA
1000
5.5
IN
1200
6.0
ISL97645A
FIGURE 4. BOOST CONVERTER TRANSIENT RESPONSE
L = 10µH, C
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
0
FIGURE 2. A
0
FIGURE 6. GPM CIRCUIT WAVEFORM
OUT
200
= 40µF, C
VDD
VGH_M
A
VFLK
VDD
400
LOAD REGULATION vs IA
COMP
(AC COUPLED)
IA
f
IA
f
OSC
OSC
VDD
= 2.2nF, R
VDD
600
= 1.2MHz
= 650kHz
CE = 1000pF, RE = 100k
(mA)
COMP
800
= 10k
1000
VDD
July 2, 2007
FN6353.0
1200