EL7513IY Intersil, EL7513IY Datasheet - Page 6
![IC LED DRIVR WHITE BCKLGT 8-MSOP](/photos/13/94/139469/8-msop_m8a_sml.jpg)
EL7513IY
Manufacturer Part Number
EL7513IY
Description
IC LED DRIVR WHITE BCKLGT 8-MSOP
Manufacturer
Intersil
Type
Backlight, White LEDr
Datasheet
1.EL7513IWTZ-T7A.pdf
(12 pages)
Specifications of EL7513IY
Constant Current
Yes
Topology
PWM, Step-Up (Boost)
Number Of Outputs
1
Internal Driver
Yes
Type - Primary
Backlight
Type - Secondary
White LED
Frequency
800kHz ~ 1.2MHz
Voltage - Supply
2.6 V ~ 13.2 V
Voltage - Output
18V
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
75mA
Internal Switch(s)
Yes
Efficiency
91%
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Typical Performance Curves
All performance curves and waveforms are taken with C
series; unless otherwise specified.
V
V
CTRL
CTRL
V
V
4.7µF
0.1µF
V
4.7µF
0.1µF
CTRL
IN
IN
4.7µF
0.1µF
V
IN
FIGURE 8A. 2 LEGS OF 2 LEDs IN A SERIES
FIGURE 9A. 2 LEGS OF 3 LEDs IN A SERIES
FIGURE 7A. 4 LEDs IN A SERIES
8
2
1
8
2
1
8
2
1
VIN
CNTL
COMP
VIN
CNTL
COMP
VIN
CNTL
COMP
33µH
33µH
L
L
33µH
PGND
VOUT
SGND
PGND
VOUT
SGND
L
PGND
VOUT
SGND
CS
LX
CS
LX
CS
LX
6
4
3
7
5
6
4
3
7
5
6
4
3
7
5
6
BAT54HT1
BAT54HT1
BAT54HT1
(Continued)
5Ω
5Ω
5Ω
1
= 4.7µF, C
5Ω
5Ω
1µF
1µF
1µF
EL7513
FIGURE 7.
FIGURE 8.
FIGURE 9.
2
= 1µF, C
3
= 0.1µF, L = 33µF, V
90
85
80
75
70
90
85
80
75
70
90
85
80
75
70
10
10
5
4 LEDs IN A SERIES
2 LEGS OF 2 LEDs IN A SERIES
2 LEGS OF 3 LEDs IN A SERIES
L = COILCRAFT LPO1704-333CM
L = SUMIDA CMD13D13-33µH
L = COILCRAFT LPO1704-333CM
FIGURE 7B. EFFICIENCY vs I
FIGURE 8B. EFFICIENCY vs I
FIGURE 9B. EFFICIENCY vs I
10
20
20
IN
= 3.3V, V
LED CURRENT (mA)
15
30
30
I
I
V
O
O
CNTL
IN
(mA)
(mA)
= 3.3V
= 1V, R
20
40
40
V
V
V
IN
IN
IN
V
V
= 2.7V
IN
= 4.2V
= 4.2V
IN
1
V
25
O
= 4.2V
= 2.7V
50
O
50
O
= 5Ω, 4 LEDs in a
IN
= 2.7V
December 22, 2008
30
60
60
FN7112.5