VOLTAGE SUPERVISORS. TPS3802 Datasheet

TPS3802 Datasheet PDF, Equivalent


Part Number

TPS3802

Description

ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS

Manufacture

etcTI

Total Page 15 Pages
PDF Download
Download TPS3802 Datasheet PDF


TPS3802 Datasheet
www.ti.com
TPS3800-xx
TPS3801-xx
TPS3802-xx
SLVS219E – AUGUST 1999 – REVISED OCTOBER 2010
ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
Check for Samples: TPS3800-xx, TPS3801-xx, TPS3802-xx
FEATURES
1
2 Small, 5-Pin SC-70 (SOT-323) Package
• Supply Current of 9 mA
• Power-On Reset Generator With Fixed Delay
Time
– TPS3800 = 100 ms
– TPS3801 = 200 ms
– TPS3802 = 400 ms
• Precision Supply Voltage Monitor 1.8 V, 2.5 V,
2.7 V, 3 V, 3.3 V, 5 V, and Adjustable
• Manual Reset Input (Except TPS3801-01)
• Temperature Range: –40°C to +85°C
APPLICATIONS
• Applications Using DSPs, Microcontrollers, or
Microprocessors
• Wireless Communication Systems
• Portable/Battery-Powered Equipment
• Programmable Controls
• Intelligent Instruments
• Industrial Equipment
• Notebook/Desktop Computers
• Automotive Systems
DESCRIPTION
The TPS380x family of supervisory circuits monitor
supply voltages to provide circuit initialization and
timing supervision, primarily for DSPs and other
processor-based systems.
These devices assert a push-pull RESET signal when
the SENSE (adjustable version) or VDD (fixed version)
drops below a preset threshold. The RESET output
remains asserted for the factory programmed delay
time after the SENSE or VDD return above its
threshold.
The TPS380x devices, except the TPS3801-01,
incorporate a manual reset input (MR). A low level at
MR causes RESET to become active.
The TPS380x uses a precision reference to achieve
an overall threshold accuracy of 2%—2.5%. These
devices are available in a 5-pin SC-70 package,
which is only about half the size of a 5-pin SOT-23
package.
The TPS380x devices are fully specified over a
temperature range of –40°C to +85°C.
TPS380x . . . DCK PACKAGE
(TOP VIEW)
GND
1
5
MR
GND
2
RESET
3
4
VDD
TPS3801−01 . . . DCK PACKAGE
(TOP VIEW)
GND
1
5
SENSE
GND
2
RESET
3
4
VDD
VDD = 1.8 V
100 nF
VDD
TPS3801E18
MR RESET
GND
CoreVDD
TMS320VC5420
RESET
GND
1
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.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1999–2010, Texas Instruments Incorporated

TPS3802 Datasheet
TPS3800-xx
TPS3801-xx
TPS3802-xx
SLVS219E – AUGUST 1999 – REVISED OCTOBER 2010
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
TA
–40°C to 85°C
DEVICE NAME
TPS3801-01DCK
TPS3801E18DCK
TPS3801J25DCK
TPS3800G27DCK
TPS3801L30DCK
TPS3801K33DCK
TPS3802L30DCK
TPS3802K33DCK
TPS3801T50DCK
TPS3801I50DCK
AVAILABLE OPTIONS(1)
THRESHOLD VOLTAGE
Adjustable (Vref = 1.14 V)
1.71 V
2.25 V
2.5 V
2.64 V
2.93 V
2.64 V
2.93 V
4.00 V
4.55 V
TYP DELAY TIME
200 ms
200 ms
200 ms
95 ms
200 ms
200 ms
380 ms
380 ms
25 ms
200 ms
MARKING
ARF
ARE
NJA
ARI
NPA
NWA
ASA
ARK
AVI
NSA
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this data sheet, or refer to our
web site at www.ti.com.
ABSOLUTE MAXIMUM RATINGS(1) (2)
Over operating free-air temperature range (unless otherwise noted).
Supply voltage, VDD
SENSE
All other pins
MR
RESET
Maximum low-output current, IOL
Maximum high-output current, IOH
Input-clamp current, IIK (VI < 0 or VI > VDD)
Output-clamp current, IOK (VO < 0 or VO > VDD)
Operating junction temperature range, TJ (3)
Storage temperature range, Tstg
UNIT
7V
–0.3 V to 5 V
–0.3 V to 7 V
–0.3 V to VDD + 0.3 V
–0.3 V to VDD + 0.3 V
5 mA
–5 mA
±20 mA
±20 mA
–40°C to +85°C
–65°C to +150°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to GND. For reliable operation, the device should not be operated at 7 V for more than t = 1000h
continuously.
(3) Due to the low dissipation power of this device, it is assumed that TJ = TA.
RECOMMENDED OPERATING CONDITIONS
Supply voltage, VDD
TPS3801J25, TPS3801L30, TPS3801K33, TPS3801I50, TPS3801T50
All other devices
SENSE
Input voltage, VI
High-level input voltage, VIH
Low-level input voltage, VIL
Input transition rise and fall rate at MR, Δt/ΔV
Pull-up resistor value, RESET
Operating free-air temperature range, TA
(1) Maximum = VDD + 0.3 or 4.5 V, whichever is greater.
MIN
2
1.6
0
0
0.7 × VDD
VPull-up
50µA
–40
MAX
6
4
See (1)
VDD +0.3
VDD +0.3
0.3 × VDD
100
+85
UNIT
V
V
V
V
V
ns/V
Ω
°C
2 Submit Documentation Feedback
Copyright © 1999–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS3800-xx TPS3801-xx TPS3802-xx


Features Datasheet pdf www.ti.com TPS3800-xx TPS3801-xx TPS380 2-xx SLVS219E – AUGUST 1999 – REVIS ED OCTOBER 2010 ULTRA-SMALL SUPPLY VOLT AGE SUPERVISORS Check for Samples: TPS3 800-xx, TPS3801-xx, TPS3802-xx FEATURE S 1 •2 Small, 5-Pin SC-70 (SOT-323) P ackage • Supply Current of 9 mA • P ower-On Reset Generator With Fixed Dela y Time – TPS3800 = 100 ms – TPS3801 = 200 ms – TPS3802 = 400 ms • Prec ision Supply Voltage Monitor 1.8 V, 2.5 V, 2.7 V, 3 V, 3.3 V, 5 V, and Adjusta ble • Manual Reset Input (Except TPS3 801-01) • Temperature Range: –40°C to +85°C APPLICATIONS • Application s Using DSPs, Microcontrollers, or Micr oprocessors • Wireless Communication Systems • Portable/Battery-Powered Eq uipment • Programmable Controls • I ntelligent Instruments • Industrial E quipment • Notebook/Desktop Computers • Automotive Systems DESCRIPTION Th e TPS380x family of supervisory circuit s monitor supply voltages to provide ci rcuit initialization and timing supervision, primarily for DSPs and other processor-based systems. These .
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