MAX15040EWE+T Maxim Integrated Products, MAX15040EWE+T Datasheet - Page 6

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MAX15040EWE+T

Manufacturer Part Number
MAX15040EWE+T
Description
DC/DC Switching Controllers 4A Step-Down w/Internal Switch
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX15040EWE+T

Lead Free Status / Rohs Status
Lead free / RoHS Compliant
High-Efficiency, 4A, Step-Down Regulator with
Integrated Switches in 2mm x 2mm Package
6
(V
IN
_______________________________________________________________________________________
20
16
12
= V
8
4
0
2.4
DD
V
0.610
0.608
0.606
0.604
0.602
0.600
0.598
0.596
0.594
0.592
0.590
PWRGD
V
I
= 3.3V, output voltage = 1.8V, I
INPUT SHUTDOWN CURRENT
V
OUT
2.6
OUT
EN
-40
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
2.8
STARTING INTO PREBIAS OUTPUT
-15
3.0
FEEDBACK VOLTAGE
vs. TEMPERATURE
TEMPERATURE (°C)
WITH 2A LOAD
10
3.2
400µs/div
V
3.4
EN
35
= 0
3.6
NO LOAD
60
MAX15040 toc16
LOAD
V
I
OUT
OUT
I
IN
85
Typical Operating Characteristics (continued)
= 4A, and T
2A/div
0
2V/div
2V/div
0
1V/div
0
0
HICCUP CURRENT LIMIT
A
= +25°C, circuit of Figure 1, unless otherwise noted.)
1ms/div
MAX15040 toc12
V
REFIN/SS
V
V
PWRGD
PWRGD
V
V
V
OUT
OUT
EN
I
IN
1V/div
0
10A/div
5A/div
0
0
STARTING INTO PREBIAS OUTPUT
SOFT-START WITH REFIN/SS
0.5
0.4
0.3
0.2
0.1
WITH NO LOAD
0
2.4
400µs/div
200µs/div
SHORT CIRCUIT vs. INPUT VOLTAGE
RMS INPUT CURRENT DURING
2.6
INPUT VOLTAGE (V)
2.8
MAX15040 toc17
MAX15040 toc15
3.0
0
2V/div
3.2
2V/div
0
1V/div
0
2A/div
0
500mV/div
0
1V/div
0
2V/div
0
V
OUT
3.4
= 0
3.6

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