MAX5073ETI Maxim Integrated Products, MAX5073ETI Datasheet - Page 5
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MAX5073ETI
Manufacturer Part Number
MAX5073ETI
Description
DC/DC Switching Converters 2.2MHz Buck or Boost Converter
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5073ETI.pdf
(25 pages)
(V+ = VL = 5.2V, T
3.40
3.35
3.30
3.25
3.20
0.35
0.30
0.25
0.20
0.15
0.10
0.05
100
90
80
70
60
50
40
30
20
10
VL DROPOUT VOLTAGE vs. EACH CONVERTER
0
0
2.2MHz, Dual-Output Buck or Boost Converter
OUTPUT1 EFFICIENCY (BUCK CONVERTER)
0.2
OUTPUT1 VOLTAGE (BUCK CONVERTER)
0
0
V
0.4
IN
SWITCHING FREQUENCY (f
= 5V
0.5
SWITCHING FREQUENCY
0.6 0.8 1.0
0.5
vs. LOAD CURRENT
vs. LOAD CURRENT
V
V
IN
IN
A
= 5.5V
1.0
= 16.0V
= +25°C, unless otherwise noted.)
LOAD (A)
LOAD (A)
_______________________________________________________________________________________
1.0
V
1.2 1.4
V
IN
IN
1.5
= 5V
V
= 4.5V
IN
f
SW
SW
V
= 12.0V
OUT
1.5
) (MHz)
= 2.2MHz
1.6
2.0
= 3.3V
1.8
2.0
2.0
2.5
2.60
2.55
2.50
2.45
100
0.1
90
80
70
60
50
40
30
20
10
10
0
1
with Internal Power MOSFETs
EACH CONVERTER SWITCHING FREQUENCY
OUTPUT2 EFFICIENCY (BUCK CONVERTER)
0.2
OUTPUT2 VOLTAGE (BUCK CONVERTER)
0
0
V
IN
0.3
= 5V
0.25
0.4
20
vs. LOAD CURRENT
vs. LOAD CURRENT
V
0.5
IN
vs. R
R
= 16.0V
LOAD (A)
LOAD (A)
OSC
0.50
0.6
40
(kΩ)
OSC
Typical Operating Characteristics
0.7
V
IN
f
SW
V
0.75
= 12.0V
OUT
0.8
60
= 2.2MHz
= 2.5V
0.9
1.00
1.0
80
5.50
5.45
5.40
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
100
0.1
90
80
70
60
50
40
30
20
10
10
0
1
OUTPUT2 EFFICIENCY (BOOST CONVERTER)
EACH CONVERTER SWITCHING FREQUENCY
0.02
-50
0.1
vs. CONVERTER SWITCHING FREQUENCY
BOTH CONVERTERS SWITCHING
SWITCHING FREQUENCY (f
0.6
V
VL OUTPUT VOLTAGE
IN
0
2.2MHz
0.6MHz
0.3MHz
vs. LOAD CURRENT
vs. TEMPERATURE
1.25MHz
= 5.5V
0.08
TEMPERATURE (°C)
V
IN
1.1
V
LOAD (A)
= 23V
IN
= 5V
50
1.6
0.14
V
f
IN
SW
SW
V
= 3.3V
100
) (MHz)
OUT
= 2.2MHz
2.1
= 12V
0.20
150
2.6
5