CAT1832Z-T3 ON Semiconductor, CAT1832Z-T3 Datasheet - Page 3

• Manufacturer Part Number: CAT1832Z-T3
• Description: Supervisory Circuits 3.3 V
• Manufacturer: ON Semiconductor

Specifications of CAT1832Z-T3

• Number Of Voltages Monitored: 1
• Monitored Voltage: 3.3 V, 5 V
• Undervoltage Threshold: 2.8 V, 2.47 V
• Output Type: Active Low, Push-Pull
• Manual Reset: Resettable
• Watchdog: Watchdog
• Battery Backup Switching: No Backup
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1 V
• Supply Current (typ): 35 uA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MSOP-8
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Overvoltage Threshold: 2.97 V or 2.64 V
• Power-up Reset Delay (typ): 1000 ms
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
Unless otherwise stated, 1.0 V - V
All voltages are referenced to ground.
Notes:
(1) PBRST
(2) RESET
(3) RESET remains within 0.5 V of V
(4) Must not exceed the minimum watchdog time-out period (t
(5) Measured with V
(6) Measured with V
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
Symbol Parameter
V
V
V
V
C
t
¯¯¯¯¯¯ is internally pulled HIGH to V
¯¯¯¯¯¯ is an open drain output on the CAT1232LP.
V
strobed.
V
I
V
R
t
t
t
V
C
PDLY
V
I
CCTP
CCTP
CCTP
CCTP
t
t
t
I
t
t
RPD
RPU
CC1
RST
CC
I
t
TD
TD
TD
OH
OL
OUT
PB
t
ST
CC
OH
IL
PU
F
R
IH
IL
IN
falls below 2.0 V.
Supply Voltage
Supply Current
ST and PBRST
Level
ST and PBRST
Level
V
V
V
V
Watchdog Time-Out Period
Watchdog Time-Out Period
Watchdog Time-Out Period
Output Voltage
Output Current
Output Current
Input Leakage
Internal Pull-Up Resistor
Input Capacitance
Output Capacitance
¯¯¯¯¯¯ Manual Reset
PBRST
Minimum Low Time
Reset Active Time
ST
V
¯¯¯¯¯¯
RESET
V
¯¯¯¯¯¯ Stable LOW to RESET
PBRST
and RESET
V
¯¯¯¯¯¯ Inactive
RESET
V
¯¯ Pulse Width
CC
CC
CC
CC
CC
CC
CC
CC
Trip Point (TOL = GND)
Trip Point (TOL = V
Trip Point (TOL = GND)
Trip Point (TOL = V
Fail Detect to RESET or
Slew Rate
Detect to RESET or
Slew Rate
¯¯¯¯¯¯ Active
CC
CC
≥ 2.7 V.
< 2.7 V.
¯¯¯¯¯¯ Input High
¯¯¯¯¯¯ Input Low
CC
on power-down until V
CC
CC
through a nominal 40 kΩ resistor (RPU).
CC
CC
- 5.5 V and over the operating temperature range of -40ºC to +85ºC.
)
)
Conditions
V
V
(5)
(6)
V
V
CAT1232LP
CAT1832
Output = 2.4 V
Output = 0.4 V
(1)
PBRST
t
4.25 V to 4.75 V
CAT1232LP
CAT1832
TD = GND
TD = V
TD floating
I = -500 µA
(1)
¯¯¯¯¯¯ = V
(4)
RISE
CC
CC
CC
CC
= 5.5 V, CAT1232LP
= 3.6 V, CAT1832
= 5.5 V, CAT1232LP
= 3.6 V, CAT1832
= 5 µs
CC
CC
TD
falls below 2 V. RESET remains within 0.5 V of ground on power-down until
). The watchdog circuit cannot be disabled. To avoid a reset, ST
(3)
IL
3
(2)
V
V
CC
CC
4.50
4.25
2.80
2.47
62.5
Min
-0.3
500
250
-1.0
250
250
1.0
- 0.4 V
10
32
20
20
20
-0.5 V
2
0
V
CC
CAT1232LP, CAT1832
1200
-350
4.62
4.37
2.88
2.55
Typ
150
600
600
600
35
20
40
-0.1 V
5
V
Doc. No. MD-3018 Rev. F
CC
2000
1000
1000
1000
4.74
Max
4.49
2.97
2.64
250
5.5
0.8
0.5
1.0
+ 0.3 V
55
50
35
20
5
7
8
¯¯ must be
Units
mA
ms
ms
ms
kΩ
ms
ms
ms
ms
µA
µA
µA
pF
pF
ns
µs
µs
ns
V
V
V
V
V
V
V
V