LTC2933
34
2933fa
For more information www.linear.com/LTC2933
LINEAR TECHNOLOGY CORPORATION 2013
LT 0117 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC2933
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LTC2908 Precision 6-Input Supply Monitor Reset: V
CC
= 0.5V, ±1.5% Accuracy Over Temperature, Internal V
CC
Auto
Select
LTC2910 Octal Positive/Negative Voltage Monitor 8 Adjustable Inputs (0.5V), ±1.5% Accuracy, Input Glitch Rejection,
Pin-Selectable Input Polarity
LTC2930 Configurable 6-Supply Monitor with Adjustable Reset
T
imer, Manual Reset
16 Selectable Thresholds
LTC2931 Configurable 6-Supply Monitor with Adjustable Reset
and Watchdog Timers
16 Selectable Thresholds, Reset Timer
, Separate Voltage Monitor Outputs
LTC2932 Configurable 6-Supply Monitor with Adjustable Reset
Timer and Supply Tolerance
16 Selectable Thresholds, Threshold Tolerance, Separate V
oltage Monitor
Outputs
LTC2937 Programmable Six Channel Sequencer and Voltage
Supervisor with EEPROM
Time and Event Based Sequencing, 0.75% Accurate UV/OV Supervision,
I
2
C Interface
LTC2939 Configurable 6-Supply Monitor with Processor
Supervisory Functions
16 Selectable Thresholds, Adjustable Reset Timer
, Watchdog Timeout,
Watchdog Status Output
LTC2936 Programmable Hex Voltage Supervisor with EEPROM and
Comparator Outputs
256 Programmable Thresholds, Comparator Outputs, EEPROM,
I
2
C Interface
LTC2977 8-Channel PMBus Power System Manager 0.25% TUE 16-Bit ADC, Voltage/Temperature Monitoring and Supervision
LTC2974 4-Channel PMBus Power System Manager 0.25% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and
Supervision
LTC2975 4-Channel PMBus Power System Manager 0.25% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and
Supervision, Input Current and Power, Input Energy Accumulator
LTC2980 16-Channel PMBus Power System Manager Dual LTC2977
LTC2970 Dual I
2
C Power Supply Monitor and Margining Controller Monitors Voltage and Current on Two Power Supplies. Margins to 0.5%
Accuracy
Figure 7. 7-Power Supply Monitor
0.22µF
V
DD33
GPI1
GPI2
SYSTEM
LTC2933
GND
V1 V2 V3 V4 V5 V6
ASEL
4.7k
100k
2933 F07
DC/DC
3.3V
5V
1.8V
2.5V
12V
24V
9V
3.3V
5V
1.8V
2.5V
12V
24V
9V
R2
2.4k
R3
8.87k
R1
168k
4.7k 4.7k
0.1µF
GPIO2
GPIO1
RST
OV
ALERT
GPIO3
SDA
SCL
NOTE: INTERNAL GPI01-3 PULL-UP ENABLED
