LTC2901-2CGN Linear Technology, LTC2901-2CGN Datasheet - Page 15
![IC MONITOR SUPPLY QUAD 16-SSOP](/photos/6/59/65965/161-16-ssop_sml.jpg)
LTC2901-2CGN
Manufacturer Part Number
LTC2901-2CGN
Description
IC MONITOR SUPPLY QUAD 16-SSOP
Manufacturer
Linear Technology
Type
Multi-Voltage Supervisorr
Datasheet
1.LTC2901-3CGNPBF.pdf
(16 pages)
Specifications of LTC2901-2CGN
Number Of Voltages Monitored
4
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
5 ms Minimum
Voltage - Threshold
16 Selectable Threshold Combinations
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC2901-2CGN
Manufacturer:
LT
Quantity:
10 000
Part Number:
LTC2901-2CGN
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LTC2901-2CGN#PBF
Manufacturer:
LT
Quantity:
182
Part Number:
LTC2901-2CGN#TRPBF
Manufacturer:
LT/凌特
Quantity:
20 000
TYPICAL APPLICATIO S
WDI
RST
5V
SYSTEM
Quad Supply Monitor with Watchdog Timer Disabled
RESET
C
RT
1.8V
10k
5V
C
RT
1
2
3
4
5
6
7
8
ADJ
COMP3
COMP1
V3
V1
CRT
RST
WDO
WDI
5V, 3V, 1.8V, 12V (ADJ)
LTC2901
1
2
3
4
5
6
7
8
COMP2
COMP4
COMP3
COMP1
V3
V1
CRT
RST
WDO
WDI
V
CWT
GND
V
REF
Generate RESET Pulse Through Watchdog Timeout (LTC2901-1/LTC2901-2)
V2
V4
LTC2901
PG
16
15
14
13
12
11
10
9
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
COMP2
COMP4
V
CWT
GND
5V
V
REF
V2
V4
PG
WATCHDOG STATUS
U
C
3V
Quad Supply Monitor with LED Undervoltage Indicators
RT
16
15
14
13
12
11
10
9
SYSTEM RESET
2901 TA02
R4
100k
1%
2.15M
1%
R3
C
3.3V
WT
2.5V
R
1k
WDI
LED
L1
12V
V
TRIP
= 11.25V
5V, 3.3V, 2.5V, 1.5V
R
1k
1
2
3
4
5
6
7
8
WDO
WDI
LED
RST
L3
COMP3
COMP1
V3
V1
CRT
RST
WDO
WDI
LTC2901
COMP2
COMP4
V
GND
CWT
V
REF
SYSTEM
V2
V4
5V, –5V Monitor with Watchdog Timer Disabled and Unused
PG
C
RESET
C
WT
5V
RT
16
15
14
13
12
11
10
9
R
1k
V2, V3 Inputs Pulled Above Trip Thresholds
LED
L2
2901 TA04
1
2
3
4
5
6
7
8
COMP3
COMP1
V3
V1
CRT
RST
WDO
WDI
3.3V
1.5V
t
R
1k
R1
53.6k
1%
R2
47.5k
1%
WD
LTC2901
LED
L4
COMP2
COMP4
V
CWT
GND
V
REF
V2
V4
PG
~20μs
16
15
14
13
12
11
10
9
2901 TA03
R1
16.2k
1%
R2
86.6k
1%
t
RST
121k
1%
R4
LTC2901
464k
1%
R3
–5V
V
TRIP
15
2901 TA06
= –4.64V
2901fb