参数资料
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: 19/34页
文件大小: 505K
代理商: TPS70702PWP
TPS70745, TPS70748, TPS70751, TPS70758, TPS70702
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS
SLVS291 – MAY 2000
26
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
split voltage DSP application
Figure 41 shows a typical application where the TPS70751 is powering up a DSP. In this application by grounding
the SEQ pin, VOUT1(I/O) will be powered up first, and then VOUT2(core).
1.8 V
VIN1
VIN2
EN
SEQ
VOUT1
VSENSE1
PG1
MR2
RESET
MR1
VSENSE2
VOUT2
TPS70751 PWP
5 V
3.3 V
I/O
MR1
Core
0.1
F
RESET
10
F
10
F
0.1
F
DSP
MR2
PG1
EN
250 k
>2 V
<0.7 V
250 k
>2 V
<0.7 V
>2 V
<0.7 V
83%
95%
120 ms
EN
VOUT2
(Core)
PG1
RESET
SEQ
95%
83%
VOUT1
(I/O)
NOTE A: t1 – Time at which both VOUT1 and VOUT2 are greater than the PG thresholds and MR1 is logic high.
t1
(see Note A)
Figure 41. Application Timing Diagram (SEQ = Low)
相关PDF资料
PDF描述
TPS70745PWP DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS
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
TPS70845PWP DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
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