EL7513IY Intersil, EL7513IY Datasheet - Page 5
![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
4.7µF
0.1µF
4.7µF
0.1µF
V
IN
IN
35
30
25
20
15
10
5
0
0
FIGURE 5A. 2 LEDs IN A SERIES
FIGURE 6A. 3 LEDs IN A SERIES
FIGURE 3. I
8
2
1
0.5
8
2
1
VIN
CNTL
COMP
VIN
CNTL
COMP
33µH
33µH
L
L
PGND
VOUT
SGND
PGND
VOUT
SGND
1.0
CS
V
LX
CS
LED
LX
5
CNTL
4
3
7
5
6
4
3
7
5
6
vs V
(V)
1.5
BAT54HT1
BAT54HT1
CNTL
(Continued)
2.0
5Ω
5Ω
1
= 4.7µF, C
2.5
1µF
1µF
EL7513
FIGURE 5.
FIGURE 6.
2
= 1µF, C
3
= 0.1µF, L = 33µF, V
16.0
15.8
15.6
15.4
15.2
15.0
14.8
14.6
14.4
14.2
14.0
90
85
80
75
70
90
85
80
75
70
2.5
V
5
5
CNTL
2 LEDs IN A SERIES
3 LEDs IN A SERIES
L=COILCRAFT LPO1704-333CM
V
L = COILCRAFT LPO1704-333CM
V
IN
FIGURE 5B. EFFICIENCY vs I
FIGURE 6B. EFFICIENCY vs I
IN
= 1V
= 4.2V
3.0
= 4.2V
FIGURE 4. I
10
10
IN
= 3.3V, V
3.5
V
15
15
V
IN
IN
I
I
V
O
O
CNTL
= 2.7V
IN
= 2.7V
LED
(mA)
(mA)
4.0
(V)
vs V
= 1V, R
20
20
IN
4.5
1
25
O
25
O
= 5Ω, 4 LEDs in a
December 22, 2008
5.0
30
30
FN7112.5
5.5