TPS3847 Datasheet PDF


Part Number

TPS3847

Description

380-nA Voltage Monitor

Manufacture

etcTI

Total Page 24 Pages
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Download TPS3847 Datasheet PDF


Features Datasheet pdf Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS3847 SBVS231A – AUGUST 2014 – REVISED MARCH 2015 TPS3847 18- V, 380-nA Voltage Monitor 1 Features 1 Ultralow Supply Current: 380 nA • Wide Supply Voltage Range: 4.5 V to 18 V • High Threshold Accuracy: ±2.5% • Internal Hysteresis • Push-Pull O utput • 20-ms (max) Delay Timing • Factory-Trimmed, Fixed-Voltage Threshol ds • Specified Operating Temperature Range: –40°C to +85°C • Operation al from –40°C to +105°C • Package : 5-Pin SOT 2 Applications • Portable and Battery-Powered Equipment • Desk tops, Notebooks, and Ultrabooks • Ind ustrial Systems • Servers • Security Systems 3 Description The TPS3847 fam.
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TPS3847 Datasheet
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Sample &
Buy
Technical
Documents
Tools &
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TPS3847
SBVS231A – AUGUST 2014 – REVISED MARCH 2015
TPS3847 18-V, 380-nA Voltage Monitor
1 Features
1 Ultralow Supply Current: 380 nA
• Wide Supply Voltage Range: 4.5 V to 18 V
• High Threshold Accuracy: ±2.5%
• Internal Hysteresis
• Push-Pull Output
• 20-ms (max) Delay Timing
• Factory-Trimmed, Fixed-Voltage Thresholds
• Specified Operating Temperature Range:
–40°C to +85°C
• Operational from –40°C to +105°C
• Package: 5-Pin SOT
2 Applications
• Portable and Battery-Powered Equipment
• Desktops, Notebooks, and Ultrabooks
• Industrial Systems
• Servers
• Security Systems
3 Description
The TPS3847 family consists of wide operating
voltage, ultralow-current devices that monitor the
voltage at the supply pin. The device asserts an
active-low reset signal whenever the VCC supply
voltage drops below the factory-trimmed reset
threshold voltage. The reset output remains asserted
for 20 ms (max) after the VCC voltage rises above
the threshold voltage.
The ultralow current consumption of 380 nA
combined with 18-V capability makes the TPS3847
ideal for use in low-power and portable applications.
The TPS3847 features precision, factory-trimmed
threshold voltages and extremely low-power
operation. The TPS3847 is available in an industry-
standard, 5-pin, SOT package.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
TPS3847
SOT (5)
2.90 mm × 1.60 mm
(1) For all available packages, see the package option addendum
at the end of the datasheet.
Typical Application
12 V
CIN
0.1 mF
VCC
TPS3847
MR RESET
GND
VCC
Regulator
EN OUT
Supply Current vs Supply Voltage
900 -40SC
85SC
800
0SC
105SC
25SC
700
600
500
400
300
200
4 6 8 10 12 14 16 18
Supply Voltage (V)
C007
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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