isl97636 Intersil Corporation, isl97636 Datasheet - Page 6

• Manufacturer Part Number: isl97636
• Description: 8-channel Led Driver
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 2. EFFICIENCY, L = 8.2µH WITH DCR = 106mΩ,
FIGURE 4. 3 EFFICIENCY, L = 10µH WITH DCR = 500mΩ,
FIGURE 6. CHANNEL-TO-CHANNEL CURRENT MATCHING
-0.5
-1.0
-1.5
-2.0
2.0
1.5
1.0
0.5
0.0
92
90
88
86
84
82
80
78
76
74
72
70
68
66
92
90
88
86
84
82
80
78
76
74
72
70
68
66
0
0
9S8P - 6V
7S6P - 18V
7S6P - 12V
CH 0 CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7
C
1mm, C
20
7S8P - 12V
20
O
9S6P - 6V
9S8P - 12V
9S8P - 6V
= 4x4.7µF/50V
7S8P - 6V
7S8P - 6V
7S6P - 6V
40
6V/1mA
40
9S8P - 18V
O
9S6P - 6V
9S6P - 12V
= 4x4.7µF/50V
60
60
7S6P - 18V
7S8P - 6V
6V/20mA
7S8P - 6V
9S8P - 12V
12V/1mA
CHANNELS
80
9S6P - 12V
I
80
7S6P - 12V
6
O
I
O
(mA)
7S6P - 6V
12V/20mA
(mA)
100
100
7S8P - 12V
9S6P - 18V
120
120
L = 8.2µH
IHLP-2525BD-01
DCR = 106mΩ
I
9S6P - 18V
SAT
L = 10µH
DCR = ~500mΩ
<1mm HEIGHT
7S8P - 18V
7S8P - 18V
= 3A
140
140
9S8P - 18V
160
160
180
180
ISL97636
FIGURE 3. EFFICIENCY, L = 10µH WITH DCR = 129mΩ,
FIGURE 7. CURRENT MATCHING vs DUTY CYCLE vs
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.0
0.9
0.8
0.7
0.6
0.5
92
90
88
86
84
82
80
78
76
74
72
70
68
66
0
4
0
9S8P - 6V
7S6P - 18V
6
10
20
9S6P - 6V
FIGURE 5. CURRENT REGULATION
200kHz
C
DIMMING FREQUENCY
O
8
7S8P - 6V
7S8P - 6V
20
= 4x4.7µF/50V
40
1kHz
7S6P - 6V
10
30
PWM DUTY CYCLE (%)
9S6P - 12V
60
10kHz
9S6P - 18V
12
100kHz
20mA
40
9S8P - 12V
80
I
20kHz
14
V
O
9S8P - 18V
IN
(mA)
50
(V)
7S8P - 12V
16
100
60
18
7S6P - 12V
120
L = 10µH
IHLP-2525BD-01
DCR = 129mΩ
I
SAT
70
20
= 2.5A
140
80
7S8P - 18V
22
V
IN
160
= 12V
90
24
May 9, 2008
100
180
26
FN6570.0