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LTC2966IUD#TRPBF

Description
Processor Supervisor 1 Automotive 16-Pin QFN EP T/R
File Size224KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC2966IUD#TRPBF Overview

Processor Supervisor 1 Automotive 16-Pin QFN EP T/R

LTC2966IUD#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
Number of Supervisors1
Monitored Voltage (V)1.75 to 98
Minimum Operating Supply Voltage (V)3.5
Maximum Operating Supply Voltage (V)100
Maximum Supply Current (uA)15
Power Fail DetectionNo
Watchdog TimerNo
Manual ResetNo
Chip Enable SignalsNo
Battery Backup SwitchingNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeIndustrial
PackagingTape and Reel
TypeVoltage Monitor
Pin Count16
Standard Package NameQFN
Supplier PackageQFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length3
Package Width3
PCB changed16
Lead ShapeNo Lead
LTC2966
100V Micropower Dual
Voltage Monitor
FEATURES
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DESCRIPTION
The
LTC
®
2966
is a low current, high voltage dual channel
voltage monitor. Internal high value resistors sense the
input monitor pins providing a compact and low power
solution for voltage monitoring. Each channel includes
two comparator reference inputs (INH/INL) to allow con-
figuration of a high and low threshold using an external
resistive divider biased from the on-chip reference. Range
selection pins are provided for each channel to set the
internal resistive dividers for 5x, 10x, 20x and 40x scaling.
The thresholds are scaled according to the range selection
settings. Additionally, either INH or INL can be grounded
to enable built-in hysteresis. Polarity selection pins allow
each output to be inverted. The outputs are 100V capable
and include a 500k pull-up resistor to an internal supply.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog
Devices, Inc. All other trademarks are the property of their respective owners.
Wide Operating Range: 3.5V to 100V
Wide Monitoring Range: 1.75V to 98V
Quiescent Current: 7µA
Adjustable Threshold Range
Internal High Value Resistive Dividers
±1.4% (Max) Threshold Accuracy Over Temperature
Polarity Selection
100V Rated Outputs
Selectable Built-In Hysteresis
20-Lead SW and 16-Lead 3mm × 3mm QFN
Packages
APPLICATIONS
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Portable Equipment
Battery-Powered Equipment
Telecom Systems
Automotive/Industrial Electronics
TYPICAL APPLICATION
Dual Undervoltage Monitor
48V
24V
V
INA
V
INB
5V
REF
200k
THRESHOLD
CONFIGURATION
INHA
91k
INLA
909k
INHB
INLB
PSA RS1A RS2A PSB RS1B RS2B GND
OUTB
LTC2966
24V UNDERVOLTAGE
OUTA
RANGE
V
IN
MONITOR RANGE SELECTION
1.75V* to 12.25V
3.5V to 24.5V
100k
48V UNDERVOLTAGE
5V
SYS
100k
5x
10x
20x
40x
7V to 49V
14V to 98V
*Requires either V
INA
or V
INB
> 3.5V
Supply Current vs V
INA(B)
12
10
8
I
VA(B)
(µA)
POLARITY AND RANGE SELECTION
CHANNEL
A
B
40.03V 20.0V
36.4V 18.2V
3.6V
1.8V
20x
10x
6
4
2
RANGE = 40x
OUTA(B) = LOW
V
INB(A)
= GND
I
REF
= 0µA
0
20
40
60
V
INA
(V)
80
–45°C
25°C
90°C
125°C
100
2966 TA01b
RISING THRESHOLD
FALLING THRESHOLD
HYSTERESIS
RANGE
2966 TA01a
0
2966fc
For more information
www.linear.com/LTC2966
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