MAX15035 Maxim Integrated Products, MAX15035 Datasheet - Page 9

• Manufacturer Part Number: MAX15035
• Description: 15A Step-Down Regulator
• Manufacturer: Maxim Integrated Products

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(MAX15035 Circuit of Figure 1, V
15A Step-Down Regulator with Internal Switches
1.5V
8A
1A
8A
0A
30
28
26
24
22
20
18
16
14
12
10
8
200
A. I
I
OUT
OUT
= 1A TO 8A TO 1A
250
, 10A/div
LOAD-TRANSIENT RESPONSE
NO-LOAD BIAS CURRENT
300 350
vs. FREQUENCY
FREQUENCY (kHz)
(SKIP MODE)
20µs/div
_______________________________________________________________________________________
400 450
B. V
C. INDUCTOR CURRENT,
5A/div
OUT
PWM MODE
, 20mV/div
500
MAX15035 toc22
IN
550
= 12V, V
600
A
B
C
DD
= 5V, SKIP = GND, R
1.5V
20A
Typical Operating Characteristics (continued)
5V
20
18
16
14
12
10
0
0
0
8
500
A. INDUCTOR CURRENT,
I
OUT
OUTPUT OVERCURRENT WAVEFORM
10A/div
= 2A TO 20A
600
OUTPUT CURRENT LIMIT
vs. I
I
LIMIT
LIMIT
700
200µs/div
VOLTAGE (mV)
TON
VOLTAGE
800
= 200kΩ, T
B. V
C. PGOOD, 5V/div
OUT
900
MAX15035 toc23
, 1V/div
1000
A
= +25°C, unless otherwise noted.)
A
B
C
1.5V
5V
0
0
A. V
I
OUT
PREBIAS STARTUP-OUTPUT VOLTAGE
OUTPUT OVERVOLTAGE WAVEFORM
OUT
= 2A TO 20A
, 1V/div
1.2V
200µs/div
200µs/div
B. PGOOD, 5V/div
1.5V
MAX15035 toc27
MAX15035 toc24
A
B
500mV/div
9
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