EL7531 View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
EL7531 Datasheet PDF : 12 Pages
| |||
EL7531
Performance Curves and Waveforms
All waveforms are taken at VIN = 3.3V, VO = 1.8V, IO = 1A with component values shown on page 1 at room ambient temperature, unless otherwise
noted.
100
95
VO = 3.3V
90 VO = 2.5V
85
80
75
70
VO = 1.8V
VO = 1.5V
VO = 1.0V
65
60
VO = 0.8V
55
VO = 1.2V
50
45
40
0.001
0.010
VIN = 5V
0.100
1.000
IO (A)
FIGURE 1. EFFICIENCY vs IO (PFM/PWM MODE)
100
90
VO = 3.3V
80
VO = 2.5V
70
VO = 1.8V
60
VO = 1.5V
50
40
30
VO = 1.2V
VO = 1.0V
20
VO = 0.8V
10
0
0.001
VIN = 5V
0.010
0.100
IO (A)
1.000
FIGURE 2. EFFICIENCY vs IO (PWM MODE)
100
95 VO = 2.5V
90 VO = 1.8V
85
80
VO = 1.5V
75
VO = 1.2V
70
VO = 1.0V
65
VO = 0.8V
60
55
50
45
40
0.001
0.010
IO (A)
VIN = 3.3V
0.100
1.000
FIGURE 3. EFFICIENCY vs IO (PFM/PWM MODE)
100
90
VO = 2.5V
80
VO = 1.8V
70
VO = 1.5V
60
VO = 1.2V
50 VO = 1.0V
40
30
20
10
0
0.001
VO = 0.8V
VIN = 3.3V
0.010
0.100
1.000
IO (A)
FIGURE 4. EFFICIENCY vs IO (PWM MODE)
1.44
VIN = 5V IO = 1A
1.42
VIN = 3.3V IO = 1A
VIN = 5V IO = 0A
1.4
VIN = 3.3V IO = 0A
1.38
1.36
1.34
1.32
-50
0
50
100
150
TA (°C)
FIGURE 5. FS vs JUNCTION TEMPERATURE (PWM MODE)
FN7428 Rev 10.00
December 10, 2015
0.1%
0.0%
-0.1%
-0.2%
-0.3%
VIN = 3.3V
VIN = 5V
-0.4%
-0.5%
0
0.2
0.4
0.6
0.8
1
IO (A)
FIGURE 6. LOAD REGULATIONS (PWM MODE)
Page 4 of 12
Share Link: 