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TPS70145

更新时间： 2024-11-18 22:49:39
品牌 Logo 应用领域
德州仪器 - TI 稳压器输出元件
页数 文件大小 规格书
34页 523K
描述
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS

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中文翻译

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TPS70145 数据手册

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TPS70145, TPS70148, TPS70151, TPS70158, TPS70102  
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS  
WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP SYSTEMS  
SLVS222A – DECEMBER 1999 – REVISED MARCH 2000  
Dual Output Voltages for Split-Supply  
Applications  
Open Drain Power Good for Regulator 1  
Ultra Low 190 µA (typ) Quiescent Current  
1 µA Input Current During Standby  
Selectable Power Up Sequencing for DSP  
Applications  
Low Noise: 65 µV  
Capacitor  
Without Bypass  
RMS  
Output Current Range of 500 mA on  
Regulator 1 and 250 mA on Regulator 2  
Quick Output Capacitor Discharge Feature  
Two Manual Reset Inputs  
Fast Transient Response  
Voltage Options are 3.3-V/2.5-V, 3.3-V/1.8-V,  
3.3-V/1.5-V, 3.3-V/1.2-V, and Dual Adjustable  
Outputs  
2% Accuracy Over Load and Temperature  
Undervoltage Lockout (UVLO) Feature  
20-Pin PowerPAD TSSOP Package  
Thermal Shutdown Protection  
Open Drain Power-On Reset With 120-ms  
Delay  
PWP PACKAGE  
(TOP VIEW)  
description  
TPS701xx family devices are designed to provide  
a complete power management solution for DSP,  
processor power, ASIC, FPGA, and digital  
applications where dual output voltage regulators  
are required. Easy programmability of the  
sequencing function makes this family ideal for  
any DSP applications with power sequencing  
requirement. Differentiated features, such as  
accuracy, fast transient response, SVS supervi-  
sory circuit, manual reset inputs, and enable  
function, provide a complete system solution.  
NC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
NC  
V
V
V
IN1  
IN1  
OUT1  
V
V
OUT1  
MR1  
MR2  
EN  
SEQ  
GND  
/FB1  
/FB2  
SENSE1  
PG1  
RESET  
V
V
V
SENSE2  
OUT2  
V
V
IN2  
IN2  
OUT2  
NC  
TPS70151 PWP  
DSP  
I/O  
3.3 V  
V
OUT1  
5 V  
V
IN1  
10 µF  
0.1 µF  
V
SENSE1  
250 kΩ  
PG1  
PG1  
MR2  
MR2  
MR1  
>2 V  
V
IN2  
250 kΩ  
<0.7 V  
0.1 µF  
RESET  
RESET  
MR1  
EN  
<0.7 V  
>2 V  
>2 V  
EN  
<0.7 V  
V
SENSE2  
SEQ  
1.8 V  
Core  
V
OUT2  
10 µF  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PowerPAD is a trademark of Texas Instruments Incorporated.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...34

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TPS70145 替代型号

型号 品牌 替代类型 描述 数据表
TPS70158 TI

功能相似

 DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP
TPS70102 TI

功能相似

 DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP

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 		具有电源正常指示和使能功能的 500mA、双通道低压降稳压器 | PWP | 20 | -
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 		DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP
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 		Dual-Output Low-Dropout Voltage Regulators with Power-Up Sequencing for Split-Voltage DSP
TPS70148PWPRG4 TI

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 		Dual-Output Low Dropout Voltage Regulators with Power-Up Sequencing for Split-Voltage DSP
TPS70151 TI

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 		DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP
TPS70151PWP TI

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 		DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH POWER UP SEQUENCING FOR SPLIT VOLTAGE DSP
TPS70151PWPG4 TI

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 		具有电源正常指示和使能功能的 500mA、双通道低压降稳压器 | PWP | 20 | -

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