EL7513IWT Intersil Corporation, EL7513IWT Datasheet - Page 6

• Manufacturer Part Number: EL7513IWT
• Description: White LED Step-Up Regulator
• Manufacturer: Intersil Corporation

Typical Performance Curves
All performance curves and waveforms are taken with C
series; unless otherwise specified.
4.7µF
0.1µF
4.7µF
0.1µF
V
V
V
CTRL
CTRL
V
CTRL
V
4.7µF
0.1µF
V
IN
IN
IN
FIGURE 10A. 2 LEGS OF 4 LEDs IN A SERIES
FIGURE 11A. 3 LEGS OF 2 LEDs IN A SERIES
FIGURE 12A. 3 LEGS OF 3 LEDs IN A SERIES
8
2
1
8
2
1
VIN
CNTL
COMP
VIN
CNTL
COMP
8
2
1
15µH
15µH
VIN
CNTL
COMP
L
L
PGND
VOUT
SGND
PGND
VOUT
SGND
33µH
L
CS
LX
CS
LX
PGND
VOUT
SGND
CS
LX
4
3
7
5
6
4
3
7
5
6
6
BAT54HT1
BAT54HT1
4
3
7
5
6
BAT54HT1
5Ω
5Ω
(Continued)
5Ω
5Ω
5Ω
1
5Ω
= 4.7µF, C
5Ω
5Ω
1µF
1µF
1µF
FIGURE 10.
FIGURE 11.
FIGURE 12.
EL7513
2
= 1µF, C
3
= 0.1µF, L = 33µF, V
90
85
80
75
70
95
90
85
80
75
70
95
90
85
80
75
70
10
15
15
2 LEGS OF 4 LEDs IN A SERIES
3 LEGS OF 2 LEDs IN A SERIES
3 LEGS OF 3 LEDs IN A SERIES
FIGURE 10B. EFFICIENCY vs I
FIGURE 11B. EFFICIENCY vs I
FIGURE 12B. EFFICIENCY vs I
L=SUMIDA CMD13D13-
L=SUMIDA CMD13D13-15µH
L=SUMIDA CMD13D13-15µH
IN
20
= 3.3V, V
35
35
30
I
I
I
O
O
O
CNTL
55
55
(mA)
(mA)
(mA)
V
V
IN
IN
=2.7V
=4.2V
40
= 1V, R
V
V
V
IN
IN
V
IN
75
75
IN
=4.2V
=2.7V
=2.7V
50
1
=4.2V
= 5Ω, 4 LEDs in a
O
O
O
60
95
95