参数资料
型号: DC1367A
厂商: Linear Technology
文件页数: 6/24页
文件大小: 0K
描述: BOARD EVAL LTM4615
软件下载: LTM4615
设计资源: DC1367A Design Files
DC1367A Schematic
标准包装: 1
系列: LTM®, uModule®
主要目的: DC/DC,LDO 步降
输出及类型: 3,非隔离
输出电压: 1.8V,1.2V,1V
电流 - 输出: 4A,2.5A,1.5A
输入电压: 2.5 ~ 5.5 V
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: LTM4615
相关产品: LTM4615EV#PBF-ND - IC SWIT REG BUCK 4A ADJ 144LGA
LTM4615IV#PBF-ND - IC SWIT REG BUCK 4A ADJ 144LGA
LTM4615
TYPICAL PERFORMANCE CHARACTERISTICS
V OUT
1V/DIV
Start-Up
V OUT
1V/DIV
Start-Up
806
804
V FB vs Temperature
802
I IN
1A/DIV
I IN
1A/DIV
800
798
V IN = 5V 200μs/DIV
V OUT = 2.5V
C OUT = 100μF
NO LOAD
(0.01μF SOFT-START CAPACITOR)
4615 G10
V IN = 5V 200μs/DIV
V OUT = 2.5V
C OUT = 100μF
4A LOAD
(0.01μF SOFT-START CAPACITOR)
4615 G11
796
794
–50
–25
0 25
50
75
100
125
TEMPERATURE (°C)
4615 G12
1.6
1.4
1.2
1.0
0.8
0.6
Current Limit
V OUT
0.5V/DIV
I IN
1A/DIV
Short-Circuit Protection
1.5V Short, No Load
V OUT
0.5V/DIV
I IN
1A/DIV
Short-Circuit Protection
1.5V Short, 4A Load
0.4
0.2
0
3
V OUT = 1.5V
V IN = 5V
V IN = 3.3V
V IN = 2.5V
4 5
6
7
8
20μs/DIV
4615 G14
100μs/DIV
4615 G15
OUTPUT CURRENT (A)
4615 G13
VLDO
404
403
402
401
V FB3 vs Temperature
1mA
200
180
160
140
120
Dropout Voltage vs Input Voltage
V FB3 = 0.38V
I LDO_OUT =1.5A
60
50
40
Ripple Rejection
10kHz
1MHz
100kHz
400
100
30
399
398
397
396
–50
–25
0
25
50
1.5A
V BOOST3 = 5V
V LDO_IN = 1.5V
V LDO_OUT =1.2V
75 100 125
80
60
40
20
0
1.2
1.4
1.6
1.8
2.0
2.2
–40°C
25°C
85°C
125°C
2.4
2.6
20
10
0
1.2
1.4
1.6
1.8
2.0
V BOOST3 = 5V
V LDO_OUT =1.2V
I OUT = 800mA
C OUT = 10μF
2.2 2.4 2.6
TEMPERATURE (°C)
4615 G16
V LDO_IN (V)
4615 G17
V LDO_IN (V)
4615 G18
6
For more information www.linear.com/LTM4615
4615fb
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