el7530 Intersil Corporation, el7530 Datasheet - Page 5

• Manufacturer Part Number: el7530
• Description: Monolithic 600ma Step-down Regulator With Low Quiescent Current
• Manufacturer: Intersil Corporation

Performance Curves and Waveforms
All waveforms are taken at V
otherwise noted.
FIGURE 7. PWM MODE LOAD/LINE REGULATIONS vs
-0.1%
-0.2%
-0.3%
-0.4%
-0.5%
-0.6%
-0.7%
0.1%
0.0%
-50
FIGURE 10. START-UP AT I
JUNCTION TEMPERATURE
V
IN
=3.3V I
V
V
IN
IN
200µs/DIV
0
=5V I
=3.3V I
O
1
IN
=0A
O
= 3.3V, V
=600mA
O
T
=600mA
5
J
(°C)
50
O
FIGURE 9. NO LOAD QUIESCENT CURRENT (PFM MODE)
= 1.8V, I
O
V
= 600mA
IN
100
=5V I
140
130
120
110
100
90
80
70
60
50
2.0
O
O
= 600mA with component values shown on page 1 at room ambient temperature, unless
V
=0A
O
V
(2V/DIV)
V
(2V/DIV)
PG
I
(0.25A/DIV)
IN
=1.5V
IN
O
2.5
V
V
O
150
O
=1.2V V
(Continued)
=1.8V
3.0
EL7530
O
=1.0V
3.5
V
O
V
V
=3.3V
S
4.0
O
(V)
=0.8V
4.5
FIGURE 8. NO LOAD QUIESCENT CURRENT (PWM MODE)
5.0
12
10
8
6
4
2
0
2.5
FIGURE 11. ENABLE AND SHUT-DOWN
5.5
6.0
3
500µs/DIV
3.5
2
V
S
(V)
4
4.5
PG
EN
I
(0.25A/DIV)
V
(2V/DIV)
IN
O
July 12, 2006
5
FN7434.6