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| 型号： | TPS70702PWP |
| 厂商： | Texas Instruments, Inc. |
| 元件分类： | 线性稳压 |
| 英文描述： | DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS |
| 中文描述： | 两用低压差最多可劈开电压DSP系统序列电源电压稳压器的输出 |
| 文件页数： | 26/34页 |
| 文件大小： | 505K |
| 代理商： | TPS70702PWP |
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TPS70745, TPS70748, TPS70751, TPS70758, TPS70702
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS
SLVS291 – MAY 2000
32
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
power dissipation and junction temperature
Specified regulator operation is assured to a junction temperature of 125
°C; the maximum junction temperature
should be restricted to 125
°C under normal operating conditions. This restriction limits the power dissipation
the regulator can handle in any given application. To ensure the junction temperature is within acceptable limits,
calculate the maximum allowable dissipation, PD(max), and the actual dissipation, PD, which must be less than
or equal to PD(max).
The maximum-power-dissipation limit is determined using the following equation:
P
D(max) +
T
J
max
* T
A
RqJA
Where:
TJmax is the maximum allowable junction temperature.
TA is the ambient temperature.
RθJA is the thermal resistance junction-to-ambient for the package, i.e., 32.6°C/W for the 20-terminal
PWP with no airflow.
The regulator dissipation is calculated using:
P
D +
V
I *
V
O
I
O
Power dissipation resulting from quiescent current is negligible. Excessive power dissipation will trigger the
thermal protection circuit.
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PDF描述 |
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| TPS70751PWP | DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS |
| TPS70758PWPRG4 | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20 |
| TPS70802PWP | DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS70702PWPG4 | 功能描述:低压差稳压器 - LDO Dual Adj 1A/2A LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TPS70702PWPR | 功能描述:低压差稳压器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TPS70702PWPRG4 | 功能描述:低压差稳压器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| TPS70745 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS |
| TPS70745PWP | 功能描述:低压差稳压器 - LDO 3.3V/1.2V 250/125mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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