参数资料
型号: AS1369-BWLT-33
厂商: ams
文件页数: 16/22页
文件大小: 0K
描述: IC REG LDO 3.3V .2A 4WLCSP
标准包装: 1
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 5.5V
电压 - 压降(标准): 0.08V @ 200mA
稳压器数量: 1
电流 - 输出: 200mA
电流 - 限制(最小): 210mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 4-UFBGA,WLCSP
供应商设备封装: 4-WLCSP
包装: 标准包装
其它名称: AS1369-BWLT-33DKR
AS1369
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
8.4 Junction Temperature
Under all operating conditions, the maximum junction temperature should not be allowed to exceed 125°C (unless otherwise specified in the
datasheet). Limiting the maximum junction temperature requires knowledge of the heat path from junction to case ( ? JC °C/W fixed by the IC
manufacturer), and adjustment of the case to ambient heat path ( ? CA °C/W) by manipulation of the PCB copper area adjacent to the IC position.
Figure 48. Package Physical Arrangements
CS-WLP Package
Package
Chip
Transfer Layer
PCB
Solder Balls
Figure 49. Steady State Heat Flow Equivalent Circuit
Junction
T J °C
R ? JC
Package
T C °C
R ? CS
PCB/Heatsink
T S °C
R ? SA
Ambient
T A °C
Chip
Power
Total Thermal Path Resistance:
Junction Temperature (T J oC) is determined by:
R ? JA = R ? JC + R ? CS + R ? SA
T J = (PD (MAX) x R ? JA ) + T AMB oC
(EQ 7)
(EQ 8)
www.austriamicrosystems.com/LDOs/AS1369
Revision 1.7
15 - 21
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