参数资料
型号: DC1453A
厂商: Linear Technology
文件页数: 15/24页
文件大小: 0K
描述: BOARD EVAL LTM4619
软件下载: LTM4619 Spice Model
设计资源: DC1453A Design Files
DC1453A Schematic
标准包装: 1
系列: LTM®, uModule®
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 1.8V,3.3V
电流 - 输出: 4A
输入电压: 4.5 ~ 28 V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: LTM4619
相关产品: LTM4619IV#PBF-ND - IC SWIT REG BUCK 4A ADJ 144LGA
LTM4619EV#PBF-ND - IC SWIT REG BUCK 4A ADJ 144LGA
LTM4619
APPLICATIONS INFORMATION
Table 2. 1.5V Output
DERATING CURVE
Figures 9, 11
Figures 9, 11
Figures 9, 11
Figures 10, 12
Figures 10, 12
Figures 10, 12
V IN (V)
6, 12
6, 12
6, 12
6, 12
6, 12
6, 12
POWER LOSS CURVE
Figure 7
Figure 7
Figure 7
Figure 7
Figure 7
Figure 7
AIRFLOW (LFM)
0
200
400
0
200
400
HEATSINK
none
none
none
BGA Heatsink
BGA Heatsink
BGA Heatsink
Θ JA (°C/W)
12.8
9.0
8.0
11.9
8.4
7.4
Table 3. 3.3V Output
DERATING CURVE
Figures 13, 15
Figures 13, 15
Figures 13, 15
Figures 14, 16
Figures 14, 16
Figures 14, 16
V IN (V)
12, 24
12, 24
12, 24
12, 24
12, 24
12, 24
POWER LOSS CURVE
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
AIRFLOW (LFM)
0
200
400
0
200
400
HEATSINK
none
none
none
BGA Heatsink
BGA Heatsink
BGA Heatsink
Θ JA (°C/W)
13.4
9.6
8.5
12.5
8.9
7.9
HEATSINK MANUFACTURER
Aavid Thermalloy
Cool Innovations
3.0
2.5
2.0
1.5
1.0
PART NUMBER
375424B00034G
4-050503P to 4-050508P
4.5
4.0
3.5
3.0
2.5
2.0
1.5
WEBSITE
www.aavidthermalloy.com
www.coolinnovations.com
0.5
0
0
2
4
LOAD CURRENT (A)
6
6V LOSS
12V LOSS
8
4619 F07
1.0
0.5
0
0
2
4
LOAD CURRENT (A)
6
12V LOSS
24V LOSS
8
4619 F08
Figure 7. Power Loss at 1.5V Output
Figure 8. Power Loss at 3.3V Output
4619fb
For more information www.linear.com/LTM4619
15
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