EL7512
Typical Performance Curves (Continued)
VFB vs VDD
1.355
1.35
1.345
1.34
1.335
1.33
1.325
1.32
5
6
7
8
9
VDD
10 11 12
IDD vs FS
3.6
VDD=10V
3.4 VO=12V-18V
3.2
3
2.8
2.6
2.4
2.2
2
650 750 850 950 1050 1150 1250
FS (kHz)
Steady State Operation (inductor discontinuous
conduction) VIN=5V, VO=12V, IO=25mA
∆VI
FS vs RT
1400
1200
VDD=10V
1000
800
600
400
200
0
50
100
150
200
RT (kΩ)
Steady State Operation (inductor continuous
conduction) VIN=5V, VO=12V, IO=300mA
∆VI
VLX
∆VO
iL
Power-Up
VIN=5V, VO=12V, IO=300mA
VLX
VIN
VO
∆VO
iL
iL
Load Transient Response
VIN=5V, VO=12V, IO=50mA-300mA
iO
∆VO
5