el7571 Intersil Corporation, el7571 Datasheet - Page 5

• Manufacturer Part Number: el7571
• Description: Programmable Pwm Controller
• Manufacturer: Intersil Corporation

Typical Performance Curves
-0.5
-1.5
-2.5
2.5
1.5
0.5
1.0
0.9
0.8
0.7
0.6
0.5
0
1
0
0
+5V Supply Non-Sync VRM Efficiency
12V Transient Response
+5V Supply Sync with Schottky Load
1
1
V
OUT
3
3
= 3.5V
V
OUT
V
V
V
V
V
OUT
5
OUT
OUT
OUT
OUT
= 2.8V
5
5
V
I
= 3.5V
= 2.8V
= 1.3V
I
= 1.8V
= 1.8V
OUT
OUT
OUT
(A)
(A)
= 1.3V
7
7
(Continued)
9
9
11
11
13
13
EL7571
1.0
0.9
0.8
0.7
0.6
0.5
1.0
0.9
0.8
0.7
0.6
0.5
1
0
0.02
+5V Supply Sync with Schottky VRM Efficiency
5V Non-sync Transient Response
+5V Supply +12V Controller Sync w/o Schottky VRM
Efficiency
1.02
1
3.04
3
5.04
5
V
V
V
V
I
OUT
I
OUT
OUT
OUT
OUT
OUT
V
V
V
V
(A)
= 3.5V
= 2.8V
= 1.3V
= 1.8V
(A)
7.04
OUT
OUT
OUT
OUT
7
= 3.5V
= 1.8V
= 2.8V
= 1.3V
9.04
9
11.04
11
13.04
13