Datasheet

MAX15036/MAX15037
2.2MHz, 3A Buck or Boost Converters
with an Integrated High-Side Switch
_______________________________________________________________________________________ 5
MAX15036 BUCK EFFICIENCY vs. OUTPUT
CURRENT (V
IN
= 5.5V, f
SW
= 2.2MHz)
MAX15036 toc01
OUTPUT CURRENT (A)
EFFICIENCY (%)
2.01.51.00.5
10
20
30
40
50
60
70
80
90
0
03.02.5
V
OUT
= 2.5V
V
OUT
= 3.3V
MAX15036 BUCK EFFICIENCY vs. OUTPUT
CURRENT (V
IN
= 12V, f
SW
= 2.2MHz)
MAX15036 toc02
OUTPUT CURRENT (A)
EFFICIENCY (%)
10
20
30
40
60
50
70
80
0
V
OUT
= 2.5V
V
OUT
= 3.3V
2.01.51.00.503.02.5
MAX15036 BUCK EFFICIENCY vs. OUTPUT
CURRENT (V
IN
= 16V, f
SW
= 2.2MHz)
MAX15036 toc03
OUTPUT CURRENT (A)
EFFICIENCY (%)
10
20
30
40
50
60
70
0
2.01.51.00.503.02.5
V
OUT
= 2.5V
V
OUT
= 3.3V
MAX15037 SYNCHRONOUS
EFFICIENCY vs. OUTPUT CURRENT
(V
IN
= 12V, f
SW
= 330kHz, L = 15μH)
MAX15036 toc04
OUTPUT CURRENT (A)
EFFICIENCY (%)
55
60
65
70
75
80
85
90
95
50
L = TOKO DS126C2-150M
2.01.51.00.503.02.5
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 1.2V
MAX15037 SYNCHRONOUS EFFICIENCY vs. OUTPUT
CURRENT (V
IN
= 12V, f
SW
= 2.2MHz, L = 4.7μH)
MAX15036 toc05
OUTPUT CURRENT (A)
EFFICIENCY (%)
10
20
30
40
50
60
70
80
0
2.01.51.00.503.02.5
V
OUT
= 3.3V
MAX15037 OUTPUT VOLTAGE vs. OUTPUT
CURRENT (V
IN
= 12V, V
OUT
= 3.3V, f
SW
= 2.2MHz)
MAX15036 toc06
OUTPUT CURRENT (A)
OUTPUT VOLTAGE (V)
3.0
2.5
1.5 2.0
1.00.5
3.294
3.295
3.296
3.297
3.298
3.299
3.300
3.301
3.292
3.293
0
V
L
OUTPUT VOLTAGE
vs. SWITCHING FREQUENCY
MAX15036 toc07
SWITCHING FREQUENCY (kHz)
V
L
(V)
2100
1600
600
1100
5.155
5.160
5.165
5.170
5.180
5.175
5.185
5.190
5.150
100
V
IN
= 23V
V
IN
= 5.5V
Typical Operating Characteristics
(V+ = V
L
= 5.2V, T
A
= +25°C, Figures 5 and 6, unless otherwise noted.)