Datasheet

MAX15036/MAX15037
2.2MHz, 3A Buck or Boost Converters
with an Integrated High-Side Switch
_______________________________________________________________________________________ 7
Typical Operating Characteristics (continued)
(V+ = V
L
= 5.2V, T
A
= +25°C, Figures 5 and 6, unless otherwise noted.)
MAX15037 SOFT-START AND SHUTDOWN
(I
OUT
= 2A)
MAX15036 toc15
1ms/div
V
OUT
1V/div
0V
0V
5V/div
V
EN
V
IN
= 12V
V
IN
STARTUP WAVEFORM
(EN CONNECTED TO V
L
) (MAX15037)
MAX15036 toc16
1ms/div
V
EN
5V/div
V
OUT
2V/div
V
PGOOD
5V/div
V
IN
10V/div
RESET TIMEOUT
(MAX15036)
MAX15036 toc17
40ms/div
10V/div
V
IN
V
EN
V
OUT
V
RESET
5V/div
5V/div
2V/div
MAX15036 EXTERNALLY SYNCHRONIZED
SWITCHING WAVEFORM
MAX15036 toc18
100ns/div
5V/div
5V/div
5V/div
0V
0V
0V
0V
V
SYNC
V
CKO
V
SOURCE_MASTER
V
SOURCE_SLAVE
5V/div
STANDBY CURRENT
vs. TEMPERATURE
MAX15036 toc19
TEMPERATURE (
°
C)
STANDBY CURRENT (mA)
100 120
60
80
20
40
0
1.45
1.50
1.55
1.60
1.40
-40 -20
f
SW
= 2.2MHz
R
OSC
= 5.62k
Ω
SWITCHING SUPPLY CURRENT (I
SW
)
vs. TEMPERATURE
MAX15036 toc20
TEMPERATURE (°C)
SWITCHING SUPPLY CURRENT (mA)
10075-25 0 25 50
10
20
30
40
50
60
70
80
0
-50 125
MAX15036
V
OUT
= 3.3V
I
OUT
= 1A
f
SYNC
= 2.2MHz
f
SYNC
= 1.2MHz
f
SYNC
= 600kHz
f
SYNC
= 300kHz
MAXIMUM OUTPUT CURRENT
vs. TEMPERATURE
MAX15036 toc21
TEMPERATURE (°C)
MAXIMUM OUTPUT CURRENT (A)
60 110
10
3.30
3.40
3.50
3.55
3.60
3.65
3.70
3.75
3.25
3.35
3.45
-40
V
IN
= 12V
V
OUT
= 3.3V
f
SW
= 1MHz