isl97652 Intersil Corporation, isl97652 Datasheet - Page 7

• Manufacturer Part Number: isl97652
• Description: 4-channel Integrated Lcd Supply With Dual Vcom Amplifiers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 7. BOOST TRANSIENT RESPONSE @ 1.3MHz
-0.05
-0.15
-0.25
-0.35
90
85
80
75
70
65
60
55
50
-0.1
-0.2
-0.3
-0.4
FIGURE 11. BUCK LOAD REGULATION @ 1.3MHz
0
0
0
CH3 = I
FIGURE 9. BUCK EFFICIENCY @ 1.3MHz
12V V
12V V
OUT
13V V
500
IN
500
TO 3.3V V
IN
IN
TO 3.3V V
13V V
TO 3.3V V
1000
1000
IN
OUT
I
OUT
CH4 = AVDD (AC COUPLED)
I
TO 3.3V V
OUT
OUT
7
OUT
(mA)
8V V
(mA)
1500
1500
IN
8V V
OUT
TO 3.3V V
IN
(Continued)
TO 3.3V V
2000
2000
OUT
OUT
2500
2500
ISL97652
100
-0.05
-0.15
-0.25
-0.35
FIGURE 12. BUCK TRANSIENT RESPONSE @ 650kHz
90
80
70
60
50
40
30
20
10
-0.1
-0.2
-0.3
0
FIGURE 10. BUCK LOAD REGULATION @ 650kHz
0
0
0
CH3 = I
FIGURE 8. BUCK EFFICIENCY @ 650kHz
12V V
12V V
OUT
8V V
IN
500
13V V
500
TO 3.3V V
IN
IN
TO 3.3V V
TO 3.3V V
IN
TO 3.3V V
OUT
1000
I
CH4 =
OUT
I
OUT
OUT
1000
OUT
(mA)
OUT
8V V
(mA)
V
LOGIC (AC COUPLED)
1500
13V V
IN
TO 3.3V V
IN
1500
TO 3.3V V
2000
OUT
November 2, 2007
OUT
2000
FN9287.1
2500