MAX15038EVKIT+ Maxim Integrated Products, MAX15038EVKIT+ Datasheet - Page 7

• Manufacturer Part Number: MAX15038EVKIT+
• Description: EVALUATION KIT FOR MAX15038
• Manufacturer: Maxim Integrated Products

Specifications of MAX15038EVKIT+

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 4A
• Voltage - Input: 2.9 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 1MHz
• Board Type: Fully Populated
• Utilized Ic / Part: MAX15038
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

V
I
OUT
OUT
(Typical values are V
I
IN
HICCUP CURRENT LIMIT
V
PWRGD
0.64
0.63
0.62
0.61
0.60
0.59
0.58
0.57
0.56
V
I
V
OUT
OUT
EN
400μs/div
-40
(MODE = V
STARTING INTO PREBIASED OUTPUT
IN
_______________________________________________________________________________________
= V
-15
FEEDBACK VOLTAGE
EN
vs. TEMPERATURE
DD
TEMPERATURE (°C)
MAX15038 toc13
= 5V, V
, V
10
200μs/div
OUT
= 2.5V, 2A LOAD)
OUT
35
1V/div
0V
5A/div
0A
1A/div
0A
= 1.8V, R
60
MAX15038 toc18
4A, 2MHz Step-Down Regulator
Typical Operating Characteristics (continued)
0.5
0.4
0.3
0.2
0.1
85
FREQ
0
5V/div
0V
1V/div
0V
2A
0A
5V/div
0V
2.5
SHORT CIRCUIT vs. INPUT VOLTAGE
V
= 49.9kΩ, I
OUT
RMS INPUT CURRENT DURING
3.0
= 0V
with Integrated Switches
INPUT VOLTAGE (V)
3.5
OUT
4.0
= 4A, T
4.5
A
5.0
= +25°C, circuit of Figure 1, unless otherwise noted.)
V
V
PWRGD
V
PWRGD
V
REFIN
V
OUT
I
5.5
V
OUT
OUT
I
IN
EN
(MODE = V
STARTING INTO PREBIASED OUTPUT
100
SOFT-START WITH REFIN
90
80
70
60
50
40
30
20
10
0
DD
0
/2, V
200μs/div
EXPOSED PAD TEMPERATURE
200μs/div
vs. AMBIENT TEMPERATURE
MEASURED ON A MAX15038EVKIT
OUT
20
AMBIENT TEMPERATURE (°C)
= 2.5V, 2A LOAD)
40
MAX15038 toc17
MAX15038 toc19
60
4A LOAD
1A/div
0A
0.5V/div
0V
1V/div
0V
2V/div
0V
5V/div
0V
1V/div
0V
2A
5V/div
0V
0A
80
100
7