参数资料
型号: LTM4609IV#PBF
厂商: Linear Technology
文件页数: 19/28页
文件大小: 0K
描述: IC BUCK/BOOST SYNC ADJ 4A 141LGA
产品培训模块: Buck-Boost uModule Regulators
High Voltage µModule DC/DC Regulators
Power Module vs. Discrete DC to DC
软件下载: LTM4609 Spice Model
设计资源: DC1477A Design Files
LTM4609IV#PBF Footprint.bxl
特色产品: μModule Products
DC/DC μModule Regulator Family
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): 36V
Voltage - Output 1: 0.8 ~ 34 V
电流 - 输出(最大): 4A
安装类型: 表面贴装
封装/外壳: 141-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: 98%
配用: DC1477A-ND - BOARD EVAL LTM4609
LTM4609
TYPICAL APPLICATIONS
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
0
25
35
45 55
65
75 85 95
105
0
25
35
45 55
65
75 85 95
105
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
36V IN TO 20V OUT WITH 0LFM
36V IN TO 20V OUT WITH 200LFM
36V IN TO 20V OUT WITH 400LFM
4609 F13
36V IN TO 20V OUT WITH 0LFM
36V IN TO 20V OUT WITH 200LFM
36V IN TO 20V OUT WITH 400LFM
4609 F14
Figure 13. 36V IN to 20V OUT without Heat Sink
APPLICATIONS INFORMATION
Table 4. Boost Mode
Figure 14. 36V IN to 20V OUT with Heat Sink
DERATING CURVE
Figure 7, 9
Figure 7, 9
Figure 7, 9
Figure 8, 10
Figure 8, 10
Figure 8, 10
V OUT (V)
16, 30
16, 30
16, 30
16, 30
16, 30
16, 30
POWER LOSS CURVE
Figure 5
Figure 5
Figure 5
Figure 5
Figure 5
Figure 5
AIR FLOW (LFM)
0
200
400
0
200
400
HEAT SINK
None
None
None
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
θ JA (°C/W)*
11.4
8.5
7.5
11.0
7.9
7.1
Table 5. Buck Mode
DERATING CURVE
Figure 11, 13
Figure 11, 13
Figure 11, 13
Figure 12, 14
Figure 12, 14
Figure 12, 14
V OUT (V)
12, 20
12, 20
12, 20
12, 20
12, 20
12, 20
POWER LOSS CURVE
Figure 6
Figure 6
Figure 6
Figure 6
Figure 6
Figure 6
AIR FLOW (LFM)
0
200
400
0
200
400
HEAT SINK
None
None
None
BGA Heat Sink
BGA Heat Sink
BGA Heat Sink
θ JA (°C/W)*
8.2
5.9
5.4
7.5
5.3
4.8
HEAT SINK MANUFACTURER
Aavid Thermalloy
Cool Innovations
PART NUMBER
375424B00034G
4-050503P to 4-050508P
WEBSITE
www.aavidthermalloy.com
www.coolinnovations.com
*The results of thermal resistance from junction to ambient θ JA are based on the demo board DC 1198A. Thus, the maximum temperature on board is treated
as the junction temperature (which is in the μModule regulator for most cases) and the power losses from all components are counted for calculations. It
has to be mentioned that poor board design may increase the θ JA .
4609ff
For more information www.linear.com/LTM4609
19
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