el7530 Intersil Corporation, el7530 Datasheet - Page 4

• 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 5. F
100
FIGURE 3. EFFICIENCY vs I
100
95
90
85
80
75
70
65
60
55
50
45
40
1.44
1.42
1.38
1.36
1.34
1.32
95
90
85
80
75
70
65
60
55
50
45
40
1.4
FIGURE 1.
1
-50
1
V
V
V
O
O
S
IN
V
=2.5V
=1.8V
O
vs JUNCTION TEMPERATURE (PWM MODE)
=5V I
V
=2.5V
O
EFFICIENCY vs
=3.3V
O
0
=600mA
V
V
O
O
IN
V
10
=0.8V
10
=1.2V
IN
V
= 3.3V, V
O
=3.3V I
T
I
4
=1.0V
O
A
V
V
I
O
O
(mA)
(°C)
50
O
V
I
=1.2V
(mA)
V
=0.8V
O
O (PFM/PWM MODE)
O
O
O
=1.5V
V
(PFM/FWM MODE)
=0A
O
=1.5V
O
V
=1.8V
= 1.8V, I
IN
=3.3V I
V
100
100
IN
100
=5V I
V
V
O
V
O
IN
IN
O
=600mA
= 600mA with component values shown on page 1 at room ambient temperature, unless
=3.3V
=5V
=1.0V
O
=0A
600
600
150
EL7530
-0.1%
-0.2%
-0.3%
-0.4%
-0.5%
100
0.1%
0.0%
90
80
70
60
50
40
30
20
10
100
FIGURE 6. LOAD REGULATIONS (PWM MODE)
0
90
80
70
60
50
40
30
20
10
FIGURE 2. EFFICIENCY vs I
0
FIGURE 4. EFFICIENCY vs I
1
1
0
V
O
=1.0V
0.2
V
O
V
V
V
=1.2V
V
O
O
O
O
=1.5V
V
=1.5V
=2.5V
V
=1.8V
O
O
=1.8V
V
10
=2.5V
10
O
0.4
=3.3V
V
I
IN
I
O
O
I
=5V
O
(A)
(mA)
V
(mA)
O
0.6
=0.8V
O
O
V
IN
(PWM MODE)
(PWM MODE)
V
=3.3V
O
V
=0.8V
100
100
O
0.8
V
=1.0V
V
O
V
IN
=1.2V
IN
=3.3V
=5V
July 12, 2006
600
1
600
FN7434.6