EL7563C Elantec Semiconductor, EL7563C Datasheet - Page 6

• Manufacturer Part Number: EL7563C
• Description: Monolithic 4 Amp DC:DC Step-down Regulator
• Manufacturer: Elantec Semiconductor

EL7563C
Monolithic 4 Amp DC:DC Step-down Regulator
Typical Performance Curves
*Note: The 28-Pin HTSSOP Package Offers Improved Performance
1000
V
900
800
700
600
500
400
300
200
100
I
O
O
50
46
42
38
34
30
100
Transient Response
V
1
Switching Frequency vs C
*
SO20 Package
IN
Test Condition:
Chip in the center of copper area
=3.3V, V
JA
200
vs Copper Area
1.5
O
300
=1.8V, I
PCB Copper Heat-Sinking Area (in
400
2
O
=0.2A-4A
500
C
OSC
OSC
2.5
with 100 LFPM airflow
(pF)
600
with no airflow
1 oz. copper PCB used
700
3
800
2
)
3.5
900
1000
4
6
VIN
V
V
1.5
1.3
1.1
0.9
LX
i
O
L
0
VTJ vs Junction Temperature
Switching Waveforms
V
Power-Up
V
IN
IN
=3.3V, V
=3.3V, V
25
O
O
=1.8V, I
=1.8V, I
Junction Temperature (°C)
50
O
O
=4A
=0.2A
75
100
125
150