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参数资料
| 型号： | LTM4600IV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC UMODULE 10A 104-LGA |
| 产品培训模块： | Power Module vs. Discrete DC to DC |
| 软件下载： | LTM4600 Spice Model |
| 产品目录绘图： | LTM Series_15x15x2.8 |
| 设计资源： | DC823B-A Design Files LTM4600IV#PBF Footprint.bxl |
| 特色产品： | μModule Products |
| 标准包装： | 119 |
| 系列： | µModule® |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 4.5V |
| 电压 - 输入（最大）： | 20V |
| Voltage - Output 1： | 0.6 ~ 5 V |
| 电流 - 输出（最大）： | 10A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 104-LGA |
| 尺寸/尺寸： | 0.59" L x 0.59" W x 0.11" H（15.0mm x 15.0mm x 2.8mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 92% |
| 产品目录页面： | 2711 (CN2011-ZH PDF) |
| 配用： | DC823B-A-ND - BOARD EVAL LTM4600 |
LTM4600
APPLICATIONS INFORMATION
temperature measurements at the bench, and thermal
V IN
V IN
LTM4600
V OUT
V OUT
(20A MAX )
modeling analysis. Application Note 103 provides a detailed
explanation of the analysis for the thermal models, and the
PGND COMP V OSET SGND
R SET
COMP V OSET SGND
derating curves. Tables 3 and 4 provide a summary of the
equivalent θ JA for the noted conditions. These equivalent
θ JA parameters are correlated to the measured values, and
improve with air-?ow. The case temperature is maintained
V IN
LTM4600
V OUT
at 100°C or below for the derating curves. This allows for
PGND
4600 F07
Figure 7. Parallel Two μModules with Load Sharing
Thermal Considerations and Output Current Derating
The power loss curves in Figures 8 and 13 can be used
in coordination with the load current derating curves in
Figures 9 to 12, and Figures 14 to 15 for calculating an
approximate θ JA for the module with various heatsink-
ing methods. Thermal models are derived from several
Table 3. 1.5V Output
4W maximum power dissipation in the total module with
top and bottom heatsinking, and 2W power dissipation
through the top of the module with an approximate θ JC
between 6°C/W to 9°C/W. This equates to a total of 124°C
at the junction of the device.
Safety Considerations
The LTM4600 modules do not provide isolation from V IN to
V OUT . There is no internal fuse. If required, a slow blow fuse
with a rating twice the maximum input current should be
provided to protect each unit from catastrophic failure.
DERATING CURVE
Figures 9, 11
Figures 9, 11
Figures 9, 11
Figures 10, 12
Figures 10, 12
Figures 10, 12
V IN (V)
5, 12
5, 12
5, 12
5, 12
5, 12
5, 12
POWER LOSS CURVE
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
AIR FLOW (LFM)
0
200
400
0
200
400
HEATSINK
None
None
None
BGA Heatsink
BGA Heatsink
BGA Heatsink
θ JA (°C/W)
15.2
14
12
13.9
11.3
10.25
Table 4. 3.3V Output
DERATING CURVE
Figure 14
Figure 14
Figure 14
Figure 15
Figure 15
Figure 15
V IN (V)
12
12
12
12
12
12
POWER LOSS CURVE
Figure 13
Figure 13
Figure 13
Figure 13
Figure 13
Figure 13
AIR FLOW (LFM)
0
200
400
0
200
400
HEATSINK
None
None
None
BGA Heatsink
BGA Heatsink
BGA Heatsink
θ JA (°C/W)
15.2
14.6
13.4
13.9
11.1
10.5
4600fc
14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM4601 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low VIN, 8A DC/DC μModule Regulator |
| LTM4601/ | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low VIN, 8A DC/DC ??Module Regulator |
| LTM4601_12 | 制造商:LINER 制造商全称:Linear Technology 功能描述:LTM4601_12 |
| LTM4601-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:12A DC/DC μModules with PLL, Output Tracking and Margining |
| LTM4601A | 制造商:LINER 制造商全称:Linear Technology 功能描述:12A DC/DC μModules with PLL, Output Tracking and Margining |
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