EL7630ICZ INTERSIL [Intersil Corporation], EL7630ICZ Datasheet - Page 3

• Manufacturer Part Number: EL7630ICZ
• Description: White LED Boost Regulator
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Application
Typical Performance Curves
2.7V~5.5V
OFF/ON
V
24.595
24.585
24.575
24.565
FIGURE 2. QUIESCENT CURRENT (ENABLE)
IN
24.59
24.58
24.57
24.56
0.7
0.6
0.5
0.4
0.3
0.2
0.1
24.6
1µF
FIGURE 4. LOAD REGULATION (V
C1
0
0
0
1
VDD
ENAB
EL7630
GND
22µH
5
L1
FIGURE 1. TYPICAL APPLICATION CIRCUIT AND EFFICIENCY vs LED CURRENT
2
LX
FB
3
V
V
IN
OUT
3
10
(V)
4.75
R
D1
(V)
SET
Ω
4
LEDs
IN
15
=4V)
5
C2
0.22µF
6
20
EL7630
FIGURE 3. ENAB PIN BIAS CURRENT vs TEMPERATURE
24.68
24.66
24.64
24.62
24.58
24.56
24.7
24.6
0.8
0.6
0.4
0.2
90
85
80
75
70
65
1
0
-40
0
2.5
(V
IN
FIGURE 5. LINE REGULATION
= 5V)
-20
5
3
LED CURRENT (mA)
TEMPERATURE (°C)
10
3.5
0
V
15
20
IN
4
(V)
20
40
4.5
25
60
5
June 28, 2005
30
80
5.5
FN7371.0