LTC1326 LINER [Linear Technology], LTC1326 Datasheet - Page 3

• Manufacturer Part Number: LTC1326
• Description: Micropower Precision Triple Supply Monitors
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
V
SYMBOL
I
I
I
t
t
t
I
V
V
t
t
t
V
V
t
t
VCC5
VCC25
VCCA
RST
SRST
UV
PBR
PW
DB
PB
PHL
PLH
CC3
IL
IH
OL
OH
= 3.3V, V
PARAMETER
V
V
V
Reset Pulse Width
Soft Reset Pulse Width
V
PBR Pull-Up Current
PBR, RST Input Low Voltage
PBR, RST Input High Voltage
PBR Min Pulse Width
PBR Debounce
PBR Assertion Time for Transition
from Soft to Hard Reset Mode
RST Output Voltage Low
SRST Output Voltage Low
RST Output Voltage Low
RST Output Voltage High (Note 3)
SRST Output Voltage High (Note 3)
RST Output Voltage High
Prop Delay RST to RST
High Input to Low Output
Prop Delay RST to RST
Low Input to High Output
CC5
CC25
CCA
CC
CC5
Undervoltage Detect to RST
Input Current (LTC1326)
Input Current
Input Current (LTC1326-2.5)
= 5V (for LTC1326),V
CC25
= 2.5V (for LTC1326-2.5), V
CONDITIONS
V
V
V
0 C T
–40 C T
RST Low with 10k Pull-Up to V
0 C T
–40 C T
SRST Low with 10k Pull-Up to V
V
Threshold V
PBR = 0V
0 C T
–40 C T
Deassertion of PBR Input to SRST
Output (PBR Pulse Width = 1 s)
PBR Held Less Than V
0 C T
–40 C T
I
I
0 C T
I
–40 C T
I
0 C T
I
–40 C T
I
I
I
I
I
C
C
SINK
SINK
SINK
SINK
SINK
SINK
SINK
SOURCE
SOURCE
SOURCE
CC5
CC25
CCA
CC25
RST
RST
= 5V
= 1V
= 5mA
= 100 A,
= 100 A,
= 100 A,
= 100 A,
= 2.5mA
= 2.5mA
= 20pF
= 20pF
, V
= 2.5V
A
A
A
A
A
A
= 1 A
= 1 A
= 600 A
CC3
A
A
A
A
A
A
70 C
70 C
70 C
70 C
70 C
70 C
RT
or V
85 C
85 C
85 C
85 C
85 C
85 C
by More Than 1%
CCA
Less Than Reset
IL
V
V
V
V
V
V
V
V
V
V
V
V
CC3
CC3
CC3
CC3
CC3
CC3
CC3
CC3
CC3
CC3
CC3
CC3
CCA
= 1V, V
= 0V, V
= 1V, V
= 1.1V, V
= 0V, V
= 1.1V, V
= 1V, V
= 0V, V
= 1V, V
= 1.1V, V
= 0V, V
= 1.1V, V
= V
CC3
CC3
CC3
CC5
CC5
CC5
CC5
CC25
CC25
CC25
CC25
CC5
CC5
CC25
CC25
, T
= 0V
= 1V
= 1V
= 1.1V
= 0V
= 1V
= 1V
= 1.1V
= 0V
= 1.1V
A
= 0V
= 1.1V
= 25 C unless otherwise noted.
LTC1326/LTC1326-2.5
V
V
V
CC3
CC3
CC3
MIN
–15
140
140
1.4
1.4
–5
50
40
3
3
2
– 1
– 1
– 1
0.15
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.15
0.15
TYP
200
200
100
2.8
2.0
2.0
13
20
25
45
4
0
0
7
7
MAX
280
300
200
0.8
2.8
3.0
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
15
10
15
35
7
7
5
UNITS
3
ms
ms
ms
nA
nA
ns
ns
ns
A
A
A
A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
s
s
s
s