ltc2900-2ims-trpbf Linear Technology Corporation, ltc2900-2ims-trpbf Datasheet - Page 13

• Manufacturer Part Number: ltc2900-2ims-trpbf
• Description: Programmable Quad Supply Monitor With Adjustable Reset Timer
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO S
V
TRIP
= 11.25V
V
TRIP
2.15M
100k
1%
1%
R5
R6
= 0.933V
5V, 3.3V, 12V, –5.2V Monitor with Manual Reset and LED Indication on RST
SYSTEM
12V
RESET
Low Voltage Quad Supply Monitor 3.3V, 2.5V, 1V (ADJ), 0.9V (ADJ)
1V
5V
U
86.6k
1%
R5
LED
100k
1%
R6
R
1k
L1
3.3V
SYSTEM
C
C
RESET
RT
MANUAL RESET
BUTTON
(NORMALLY OPEN)
RT
*OPTIONAL RESISTOR RECOMMENDED
10k*
TO EXTEND ESD TOLERANCE
1
2
3
4
5
1
2
3
4
5
V3
V1
CRT
RST
PBR
V3
V1
CRT
RST
PBR
LTC2900-1
LTC2900
V
GND
V
GND
V
V
REF
REF
V2
V4
PG
V2
V4
PG
10
9
8
7
6
10
9
8
7
6
2.5V
3.3V
R1
86.6k
1%
R2
16.2k
1%
R4
121k
1%
R1
93.1k
1%
R2
9.53k
1%
2900 TA04
2900 TA05
R4
100k
1%
487k
68.1k
1%
1%
R3
R3
0.9V
V
V
–5.2V
TRIP
TRIP
= 0.84V
= –4.87V
LTC2900
13
2900f