TPS3305-18 双路处理器监控电路

TPS3305-18 描述

The TPS3305 family is a series of micropower supply voltage supervisors designed for circuit initialization. Its dual monitor topology is well-suited to use in DSP and processor-based systems, which often require two supply voltages, core and I/O. RESET is asserted when the voltage at either SENSEn pin falls below its threshold voltage, VIT. When both SENSEn pins are again above their respective threshold voltages, RESET is held low for the factory-programmed delay time (200ms typ). RESET is also asserted if the watchdog input (WDI) is not toggled for more than 1.6s typ. The TPS3305-xx devices are available in either 8-pin MSOP or SO packages, and are specified for operation over a temperature range of -40°C to +85°C

	TPS3305-18	TPS3305-25	TPS3305-33
No. of Supervisors	2	2	2
Vit1(Typ)(V)	2.93	2.93	4.55
Vit2(Typ)(V)	1.68	2.25	2.93
Reset Threshold Accuracy(%)	2.7	2.7	2.7
Time Delay(ms)	200	200	200
IDD(Typ)(uA)	15	15	15
Pin/Package	8MSOP-PowerPAD, 8SOIC	8MSOP-PowerPAD, 8SOIC	8MSOP-PowerPAD, 8SOIC
Rating	Catalog	Catalog	Catalog

TPS3305-18 特性

Dual Supervisory Circuits for DSP- and Processor-Based Systems
Power-On Reset Generator with Fixed Delay Time of 200ms; no External Capacitor Needed
Watchdog Timer Retriggers the RESET Output at SENSEn ≥ VIT+
Temperature-Compensated Voltage Reference
Maximum Supply Current of 40µA
Supply Voltage Range: 2.7V to 6V
Defined RESET Output From VDD ≥ 1.1V
MSOP-8 and SO-8 Packages
Temperature Range: -40°C to +85°C
APPLICATIONS
- Processor Supply Monitoring
- Industrial Equipment
- Automotive Systems
- Portable/Battery-Powered Equipment
- Wireless Communication Systems
- Notebook/Desktop Computers

TPS3305-18 芯片订购指南

器件	状态	温度 (oC)	价格（美元）	封装 \| 引脚	封装数量 \| 封装载体	丝印标记
TPS3305-18D	ACTIVE	-40 to 85	1.15 \| 1ku	SOIC (D) \| 8	75 \| TUBE	30518
TPS3305-18DG4	ACTIVE	-40 to 85	1.15 \| 1ku	SOIC (D) \| 8	75 \| TUBE	30518
TPS3305-18DGN	ACTIVE	-40 to 85	1.15 \| 1ku	MSOP-PowerPAD (DGN) \| 8	80 \| TUBE	AAM
TPS3305-18DGNG4	ACTIVE	-40 to 85	1.15 \| 1ku	MSOP-PowerPAD (DGN) \| 8	80 \| TUBE	AAM
TPS3305-18DGNR	ACTIVE	-40 to 85	1.00 \| 1ku	MSOP-PowerPAD (DGN) \| 8	2500 \| LARGE T&R	AAM
TPS3305-18DGNRG4	ACTIVE	-40 to 85	1.00 \| 1ku	MSOP-PowerPAD (DGN) \| 8	2500 \| LARGE T&R	AAM
TPS3305-18DR	ACTIVE	-40 to 85	1.00 \| 1ku	SOIC (D) \| 8	2500 \| LARGE T&R	30518
TPS3305-18DRG4	ACTIVE	-40 to 85	1.00 \| 1ku	SOIC (D) \| 8	2500 \| LARGE T&R	30518

TPS3305-18 质量与无铅数据

器件	环保计划*	铅/焊球涂层	MSL 等级/回流焊峰	环保信息与无铅 (Pb-free)	DPPM / MTBF / FIT 率
TPS3305-18D	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18D	TPS3305-18D
TPS3305-18DG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18DG4	TPS3305-18DG4
TPS3305-18DGN	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18DGN	TPS3305-18DGN
TPS3305-18DGNG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18DGNG4	TPS3305-18DGNG4
TPS3305-18DGNR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18DGNR	TPS3305-18DGNR
TPS3305-18DGNRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18DGNRG4	TPS3305-18DGNRG4
TPS3305-18DR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18DR	TPS3305-18DR
TPS3305-18DRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	TPS3305-18DRG4	TPS3305-18DRG4