EL7513IY Intersil, EL7513IY Datasheet - Page 5

• Manufacturer Part Number: EL7513IY
• Description: IC LED DRIVR WHITE BCKLGT 8-MSOP
• Manufacturer: Intersil
• Type: Backlight, White LEDr

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