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LTC2930HDD#TRPBF

Description
Processor Supervisor 5V/3.3V/3V/2.5V/1.8V/1.5V/Adj 6 Automotive 12-Pin DFN EP T/R
File Size160KB,12 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTC2930HDD#TRPBF Overview

Processor Supervisor 5V/3.3V/3V/2.5V/1.8V/1.5V/Adj 6 Automotive 12-Pin DFN EP T/R

LTC2930HDD#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Number of Supervisors6
Maximum Reset Active Time (ms)4
Minimum Reset Threshold Voltage (V)Adj
Typical Reset Threshold Voltage (V)5|3.3|3|2.5|1.8|1.5|Adj
Maximum Reset Threshold Voltage (V)Adj
Minimum Operating Supply Voltage (V)1
Maximum Supply Current (uA)52
Power Fail DetectionNo
Watchdog TimerNo
Manual ResetYes
Chip Enable SignalsNo
Battery Backup SwitchingNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
Supplier Temperature GradeAutomotive
TypeVoltage Monitor
Pin Count12
Standard Package NameDFN
Supplier PackageDFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length3
Package Width3
PCB changed12
Lead ShapeNo Lead
FEATURES
LTC2930
Configurable Six Supply
Monitor with Adjustable
Reset Timer, Manual Reset
DESCRIPTION
The LTC
®
2930 is a configurable supply monitor for
systems with up to six supply voltages. One of 16 preset or
adjustable voltage monitor combinations can be selected
using an external resistive divider connected to the mode
select pin. The preset voltage thresholds are accurate
to ±1.5% over temperature. The LTC2930 also features
adjustable inputs with a 0.5V nominal threshold.
The reset timeout period is adjustable using an external
capacitor. A reset event may be generated with a manual
reset button on the manual reset input. Tight voltage
threshold accuracy and glitch immunity ensure reliable
reset operation without false triggering. The
RST
output
is guaranteed to be in the correct state for V
CC
down to 1V
and may be externally pulled up to an external voltage.
The 52μA supply current makes the LTC2930 ideal for
power conscious systems and it may be configured to
monitor fewer than six inputs.
L,
LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 6967591, 7119714, 7239251.
Simultaneously Monitors Six Supplies
16 User Selectable Combinations of
5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and
± Adjustable Voltage Thresholds
Guaranteed ±1.5% Threshold Accuracy
Adjustable Reset Timeout
Low Supply Current: 52μA
Manual Reset Pin
Power Supply Glitch Immunity
Guaranteed
RST
for V
CC
≥ 1V
High Temperature Operation to 125°C
12-Lead 3mm
×
3mm DFN Package
APPLICATIONS
Desktop and Notebook Computers
Multivoltage Systems
Telecom Equipment
Portable Battery-Powered Equipment
Network Servers
Automotive
TYPICAL APPLICATION
Six Supply Monitor, 5% Threshold
12V, 5V, 3.3V, 1.8V, 1.2V, –5.2V
12V
5V
3.3V
1.8V
1.2V
–5.2V
2150k
1%
487k
1%
Voltage Threshold Configuration Table
V1 (V)
5.0
SYSTEM
LOGIC
V2 (V)
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.0
3.0
3.0
2.5
2.5
2.5
2.5
2.5
2.5
V3 (V)
2.5
2.5
2.5
1.8
1.8
ADJ
ADJ
2.5
1.8
ADJ
1.8
1.8
1.8
1.5
ADJ
ADJ
V4 (V)
1.8
1.5
ADJ
ADJ
–ADJ
ADJ
–ADJ
ADJ
ADJ
ADJ
1.5
ADJ
–ADJ
ADJ
ADJ
–ADJ
V5 (V)
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
V6 (V)
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
2930fa
5.0
5.0
5.0
5.0
V1
V2
V3
V4
V5
V6
MR
VREF
VPG
GND
CRT
MANUAL RESET
C
RT
47nF
2930 TA01
5.0
RST
LTC2930
5.0
5.0
5.0
5.0
3.3
3.3
3.3
3.3
3.3
3.3
0.1μF
124k
1%
121k
1%
100k
1%
100k
1%
16.2k
1%
86.6k
1%
t
RST
= 94ms
1

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EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Active Active Active
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01
Number of Supervisors 6 6 6 6 6 6
Maximum Reset Active Time (ms) 4 4 4 4 4 4
Minimum Reset Threshold Voltage (V) Adj Adj Adj Adj Adj Adj
Typical Reset Threshold Voltage (V) 5|3.3|3|2.5|1.8|1.5|Adj 5|3.3|3|2.5|1.8|1.5|Adj 5|3.3|3|2.5|1.8|1.5|Adj 5|3.3|3|2.5|1.8|1.5|Adj 5|3.3|3|2.5|1.8|1.5|Adj 5|3.3|3|2.5|1.8|1.5|Adj
Maximum Reset Threshold Voltage (V) Adj Adj Adj Adj Adj Adj
Minimum Operating Supply Voltage (V) 1 1 1 1 1 1
Maximum Supply Current (uA) 52 52 52 52 52 52
Power Fail Detection No No No No No No
Watchdog Timer No No No No No No
Manual Reset Yes Yes Yes Yes Yes Yes
Chip Enable Signals No No No No No No
Battery Backup Switching No No No No No No
Minimum Operating Temperature (°C) -40 - - -40 -40 -40
Maximum Operating Temperature (°C) 125 70 70 125 85 85
Supplier Temperature Grade Automotive Commercial Commercial Automotive Industrial Industrial
Type Voltage Monitor Voltage Monitor Voltage Monitor Voltage Monitor Voltage Monitor Voltage Monitor
Pin Count 12 12 12 12 12 12
Standard Package Name DFN DFN DFN DFN DFN DFN
Supplier Package DFN EP DFN EP DFN EP DFN EP DFN EP DFN EP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max)
Package Length 3 3 3 3 3 3
Package Width 3 3 3 3 3 3
PCB changed 12 12 12 12 12 12
Lead Shape No Lead No Lead No Lead No Lead No Lead No Lead
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