TPS3613-01系列介绍资料

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TPS3613-01

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适用于 RAM 保持模式的可调节电池备份监控器

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The TPS3613-01 supervisory circuit monitors and controls processor activity by providing backup-battery switchover for data retention of CMOS RAM.

During power-on, reset (RESET and RESET) is asserted when the supply voltage (V_DD or V_BAT) becomes higher than 1.1 V.

Thereafter, the supply voltage supervisor monitors V_DD at the SENSE pin through external feedback resistors and keeps reset active as long as SENSE remains below the threshold voltage, V_IT.

An internal timer delays the release of the reset state to ensure proper system reset. The delay time starts after SENSE rises above the threshold voltage, V_IT.

When SENSE drops below V_IT, reset becomes active again.

The TPS3613-01 is available in a 10-pin MSOP package and is characterized for operation over a temperature range of –40°C to +85°C.

Supply Current of 40 µA (Max)
Battery Supply Current of 100 nA (Max)
Supply Voltage Supervision Range:
- Adjustable
- Other Versions Available on Request
Backup-Battery Voltage Can Exceed V_DD
Power-On Reset Generator With Fixed 100-ms Reset Delay Time
Active-High and Active-Low Reset Output
Chip-Enable Gating: 3 ns (at V_DD = 5 V) Max Propagation Delay
10-Pin MSOP Package
Temperature Range: –40°C to 85°C
APPLICATIONS
- Fax Machines
- Set-Top Boxes
- Advanced Voice Mail Systems
- Portable Battery-Powered Equipment
- Computer Equipment
- Advanced Modems
- Automotive Systems
- Portable Long-Time Monitoring Equipment
- Point-of-Sale Equipment

All trademarks are the property of their respective owners.

Number of supplies monitored	1
Threshold voltage 1 (typ) (V)	1.15
Features	Battery backup switchover, Chip enable gating, Complimentary output, Undervoltage monitor only
Reset threshold accuracy (%)	1.7
Iq (typ) (mA)	0.02
Output driver type/reset output	Active-low, Push-Pull
Time delay (ms)	100
Supply voltage (min) (V)	1.65
Supply voltage (max) (V)	5.5
Rating	Catalog
Watchdog timer WDI (s)	None
Operating temperature range (°C)	-40 to 85

VSSOP (DGS)

14.7 mm² 3 x 4.9

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TPS3613-01

适用于 RAM 保持模式的可调节电池备份监控器

4000-306-326