Datasheet

MAX15035
15A Step-Down Regulator with Internal Switches
_______________________________________________________________________________________ 9
LOAD-TRANSIENT RESPONSE
(SKIP MODE)
MAX15035 toc22
20µs/div
B. V
OUT
, 20mV/div
C. INDUCTOR CURRENT,
5A/div
8A
1A
1.5V
8A
0A
A
B
C
A. I
OUT
, 10A/div
I
OUT
= 1A TO 8A TO 1A
OUTPUT OVERCURRENT WAVEFORM
MAX15035 toc23
200µs/div
B. V
OUT
, 1V/div
C. PGOOD, 5V/div
5V
20A
0
1.5V
0
0
A
B
C
A. INDUCTOR CURRENT,
10A/div
I
OUT
= 2A TO 20A
OUTPUT OVERVOLTAGE WAVEFORM
MAX15035 toc24
200µs/div
B. PGOOD, 5V/div
0
1.5V
5V
0
A
B
A. V
OUT
, 1V/div
I
OUT
= 2A TO 20A
NO-LOAD BIAS CURRENT
vs. FREQUENCY
MAX15035 toc25
FREQUENCY (kHz)
I
BIAS
(mA)
550500400 450300 350250
10
12
14
16
18
20
22
24
26
28
30
8
200 600
PWM MODE
OUTPUT CURRENT LIMIT
vs. I
LIMIT
VOLTAGE
MAX15035 toc26
I
LIMIT
VOLTAGE (mV)
CURRENT LIMIT (A)
900800700600
10
12
14
16
18
20
8
500 1000
PREBIAS STARTUP-OUTPUT VOLTAGE
MAX15035 toc27
200µs/div
500mV/div
1.5V
1.2V
Typical Operating Characteristics (continued)
(MAX15035 Circuit of Figure 1, V
IN
= 12V, V
DD
= 5V, SKIP = GND, R
TON
= 200kΩ, T
A
= +25°C, unless otherwise noted.)