参数资料
型号: MAX15038EVKIT+
厂商: Maxim Integrated Products
文件页数: 7/19页
文件大小: 0K
描述: EVALUATION KIT FOR MAX15038
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.8V
电流 - 输出: 4A
输入电压: 2.9 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 1MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX15038
4A, 2MHz Step-Down Regulator
with Integrated Switches
Typical Operating Characteristics (continued)
(Typical values are V IN = V EN = 5V, V OUT = 1.8V, R FREQ = 49.9k Ω , I OUT = 4A, T A = +25°C, circuit of Figure 1, unless otherwise noted.)
RMS INPUT CURRENT DURING
EXPOSED PAD TEMPERATURE
V OUT
HICCUP CURRENT LIMIT
MAX15038 toc13
1V/div
0.5
SHORT CIRCUIT vs. INPUT VOLTAGE
100
90
vs. AMBIENT TEMPERATURE
0V
0.4
0.3
80
70
60
I OUT
5A/div
50
0A
0.2
40
4A LOAD
30
I IN
1A/div
0.1
20
0A
0
V OUT = 0 V
10
0
MEASURED ON A MAX15038EVKIT
400 μ s/div
2.5
3.0
3.5 4.0 4.5
INPUT VOLTAGE (V)
5.0
5.5
0
20 40 60 80
AMBIENT TEMPERATURE ( ° C)
100
FEEDBACK VOLTAGE
0.64
vs. TEMPERATURE
SOFT-START WITH REFIN
MAX15038 toc17
0.63
0.62
0.61
0.60
0.59
0.58
0.57
0.56
I IN
V REFIN
V OUT
V PWRGD
1A/div
0A
0.5V/div
0V
1V/div
0V
2V/div
0V
-40
-15
10 35
TEMPERATURE ( ° C)
60
85
200 μ s/div
STARTING INTO PREBIASED OUTPUT
(MODE = V DD , V OUT = 2.5V, 2A LOAD)
MAX15038 toc18
STARTING INTO PREBIASED OUTPUT
(MODE = V DD /2, V OUT = 2.5V, 2A LOAD)
MAX15038 toc19
V EN
5V/div
0V
V EN
5V/div
0V
V OUT
1V/div
0V
V OUT
1V/div
0V
I OUT
V PWRGD
200 μ s/div
2A
0A
5V/div
0V
I OUT
V PWRGD
200 μ s/div
2A
0A
5V/div
0V
_______________________________________________________________________________________
7
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