ZHCSPJ4F 数据表 | 德州仪器 TI.com.cn

ZHCSPJ4F September 2010 – March 2023 TLV704

PRODUCTION DATA

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)

DBV|5

散热焊盘机械数据 (封装 | 引脚)

订购信息

8.5.1.1 Power Dissipation

To provide reliable operation, worst-case junction temperature must not exceed 125°C. This restriction limits the power dissipation the regulator can handle in any given application. To make sure the junction temperature is within acceptable limits, calculate the maximum allowable dissipation, P_D(max), and the actual dissipation, P_D, which must be less than or equal to P_D(max).

The maximum-power-dissipation limit is determined using Equation 6:

Equation 6.

P_{D (m a x)} = \frac{T_{J} \max - T_{A}}{R_{θ J A}}

where:

T_Jmax is the maximum allowable junction temperature
R_θJA is the thermal resistance junction-to-ambient for the package (see the Thermal Informationtable)
T_A is the ambient temperature

The regulator dissipation is calculated using Equation 7:

Equation 7.

P_{D} = (V_{I N} - V_{O U T}) \times I_{O U T}