EL7512 Intersil Corporation, EL7512 Datasheet - Page 5

• Manufacturer Part Number: EL7512
• Description: High Frequency PWM Step-Up Regulator
• Manufacturer: Intersil Corporation

Typical Performance Curves
∆V
V
∆V
1.355
1.345
1.335
1.325
LX
1.35
1.34
1.33
1.32
i
O
L
3.6
3.4
3.2
2.8
2.6
2.4
2.2
I
3
2
650
Steady State Operation (inductor discontinuous
conduction) V
5
V
I
DD
FB
V
V
DD
O
vs F
vs V
=12V-18V
=10V
6
750
S
DD
5
IN
7
850
=5V, V
8
F
O
S
=12V, I
V
950
(kHz)
DD
9
O
(Continued)
=25mA
1050
∆V
i
O
O
10
Load Transient Response
V
IN
1150
=5V, V
11
O
1250
=12V, I
12
EL7512
O
=50mA-300mA
∆V
V
V
1400
1200
1000
∆V
V
LX
800
600
400
200
i
IN
i
O
O
L
L
I
0
50
F
Steady State Operation (inductor continuous
conduction) V
Power-Up
V
S
IN
vs R
=5V, V
T
O
=12V, I
IN
100
=5V, V
O
=300mA
R
O
T
=12V, I
(kΩ)
O
=300mA
150
V
DD
=10V
200