参数资料
型号: DC1385A
厂商: Linear Technology
文件页数: 4/20页
文件大小: 0K
描述: BOARD EVAL LTM4614
软件下载: LTM4614
设计资源: DC1385A Design Files
DC1385A Schematic
标准包装: 1
系列: µModule®
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 1.2V,1.8V
电流 - 输出: 4A,4A
输入电压: 2.375 ~ 5.5V
稳压器拓扑结构: 降压
频率 - 开关: 1.25MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: LTM4614
相关产品: LTM4614IV#PBF-ND - IC UMODULE DC/DC DUAL 4A 144LGA
LTM4614EV#PBF-ND - IC UMODULE DC/DC DUAL 4A 144LGA
LTM4614
TYPICAL PERFORMANCE CHARACTERISTICS
100
95
90
85
Efficiency vs Output Current
V IN = 2.5V
100
95
90
85
Efficiency vs Output Current
V IN = 3.3V
95
90
85
80
Efficiency vs Output Current
V IN = 5V
80
75
70
65
0
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.8V
1
2
3
4
80
75
70
65
0
V OUT = 2.5V
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.8V
1
2
3
4
75
70
65
0
V OUT = 3.3V
V OUT = 2.5V
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.8V
1 2 3
4
OUTPUT CURRENT (A)
Minimum Input Voltage
at 4A Load
4614 G01
OUTPUT CURRENT (A)
Load Transient Response
4614 G02
OUTPUT CURRENT (A)
Load Transient Response
4614 G03
3.5
3.0
2.5
2.0
1.5
V OUT = 3.3V
V OUT = 2.5V
V OUT = 1.8V
V OUT = 1.5V
V OUT = 1.2V
V OUT = 0.8V
I LOAD
2A/DIV
V OUT
20mV/DIV
I LOAD
2A/DIV
V OUT
20mV/DIV
1.0
0.5
V IN = 5V 20μs/DIV
V OUT = 1.2V
C OUT = 100μF, 6.3V CERAMICS
4614 G05
V IN = 5V 20μs/DIV
V OUT = 1.5V
C OUT = 100μF, 6.3V CERAMICS
4614 G06
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V IN (V)
4614 G04
I LOAD
2A/DIV
V OUT
20mV/DIV
Load Transient Response
I LOAD
2A/DIV
V OUT
20mV/DIV
Load Transient Response
I LOAD
2A/DIV
V OUT
20mV/DIV
Load Transient Response
V IN = 5V 20μs/DIV
V OUT = 1.8V
C OUT = 100μF, 6.3V CERAMICS
4614 G07
V IN = 5V 20μs/DIV
V OUT = 2.5V
C OUT = 100μF, 6.3V CERAMICS
4614 G08
V IN = 5V 20μs/DIV
V OUT = 3.3V
C OUT = 100μF, 6.3V CERAMICS
4614 G09
4614fb
4
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