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Номер произв SP802TEP
Описание 3.0V/3.3V Low Power Microprocessor Supervisory with Battery Switch-Over
Производители Sipex
логотип Sipex логотип 



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SP802TEP Даташит, Описание, Даташиты
® SP690T/S/R, SP802T/S/R,
SP804T/S/R, and SP805T/S/R
3.0V/3.3V Low Power Microprocessor
Supervisory with Battery Switch-Over
s RESET and RESET Outputs
s Reset asserted down to VCC = 1V
s Reset Time Delay - 200ms
s Watchdog Timer - 1.6 sec timeout
s 40µA Maximum VCC Supply Current
s 1µA Maximum Battery Supply Current
s Power Switching
50mA Output in VCC Mode (1.5)
10mA Output in Battery Mode (15)
s Battery Can Exceed VCC in Normal Operation
s Precision Voltage Monitor for Power-Fail
or Low-Battery Warning
s Available in 8 pin SO and DIP packages
s Pin Compatible Upgrades to
MAX690T/S/R, MAX802T/S/R,
MAX804T/S/R, MAX805T/S/R
DESCRIPTION
The SP690T/S/R, SP802T/S/R, SP804T/S/R and SP805T/S/R devices are a family of
microprocessor (µP) supervisory circuits that integrate a myriad of components involved in
discrete solutions to monitor power-supply and battery-control functions in µP and digital
systems. The series will significantly improve system reliability and operational efficiency
when compared to discrete solutions. The features of the SP690T/S/R, SP802T/S/R,
SP804T/S/R and SP805T/S/R devices include a watchdog timer, a µP reset and backup-
battery switchover, and power-failure warning; a complete µP monitoring and watchdog
solution. The series is ideal for 3.0V or 3.3V applications in portable electronics, computers,
controllers, and intelligent instruments and is a solid match for designs where it is critical to
monitor the power supply to the µP and it’s related digital components. Refer to Sipex's
SP690A/692A/802L/802M/805L/805M series for similar devices designed for +5V systems.
Part Number
SP690T/805T
SP802T/804T
SP690S/805S
SP802S/804S
SP690R/805R
SP802R/804R
RESET
Active
LOW/HIGH
LOW/HIGH
LOW/HIGH
LOW/HIGH
LOW/HIGH
LOW/HIGH
RESET
Threshold
3.075V
3.075V
2.925V
2.925V
2.625V
2.625V
RESET
Accuracy
±75mV
±60mV
±75mV
±60mV
±75mV
±60mV
PFI
Accuracy
±4%
±2%
±4%
±2%
±4%
±2%
Watchdog
Input
YES
YES
YES
YES
YES
YES
Backup-Battery
Switch
YES
YES
YES
YES
YES
YES
SP690T/S/R DS/10 SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory
1
© Copyright 2000 Sipex Corporation









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SP802TEP Даташит, Описание, Даташиты
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation
sections of the specifications below is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect
reliability and cause permanent damage to the device.
V ..................................................................................-0.3V to 6.0V
CC
V ................................................................................-0.3V to 6.0V
BATT
All Other Inputs (NOTE 1).................................-0.3V to the higher of VCC or VBATT
Continuous Input Current:
V ..................................................................................100mA
CC
VBATT..................................................................................20mA
GND..................................................................................20mA
WDI, PFI...........................................................................20mA
Continuous Output Current:
RESET, RESET, PFO.........................................................20mA
VOUT......................................................................................100mA
Power Dissipation per Package:
8pin NSOIC (derate 6.14mW/°C above +70°C)..............500mW
8pin PDIP (derate 11.8mW/°C above +70°C)..............1,000mW
Storage Temperature........................................-65°C to +160°C
Lead Temperature(soldering,10sec).............................................+300°C
ESD Rating........................................................4KV Human Body Model
SPECIFICATIONS
V = 3.17V to 5.50V for the SP690T/SP80_T, V = 3.02V to 5.50V for the SP690S/SP80_S, V = 2.72V to 5.50V for the SP690R/SP80_R, V = 3.60V, and
CC CC CC
BATT
T = T to T unless otherwise noted. Typical values taken at T = +25OC.
A MIN
MAX
AMB
PARAMETERS
Operating Voltage Range,
MIN.
1.0
TYP.
MAX. UNITS CONDITIONS
5.5 Volts
VCC or VBATTERY, NOTE 1
VCC Supply Current, ISUPPLY
VCC Supply Current in Battery
Backup Mode
25 40
20 40
VBATTERY Supply Current in
Any Mode, NOTE 2
0.4 1
V Leakage Current, NOTE 3
BATTERY
0.001
0.5
VBATTERY Leakage Current, NOTE 4
-0.1
0.02
Output Voltage, V
OUT
VOUT in Battery-Backup Mode
Battery Switch Threshold,
VCC falling
Battery Switch Threshold,
VCC rising, NOTE 7
V - 0.03
CC
VCC - 0.3
VCC - 0.0015
V - 0.0075
CC
VCC - 0.075
VCC - 0.0003
VBATTERY - 0.02
VBATTERY - 0.0045
VBATTERY - 0.018
VBATTERY - 0.15
0.065
0.025
2.30 2.40
2.50
µA excluding IOUT
µA VCC=2.0V,VBATTERY=2.3V,
excluding IOUT
µA excluding IOUT
µA
µA 3.3V > VCC >VBATTERY + 0.2V
I = 5mA
V IOUT = 50mA
IOUT = 250µA, VCC > 2.5V
V
IOUT = 250µA, VBATTERY = 2.3V
IOUT = 1mA, VBATTERY = 2.3V
IOUT = 10mA, VBATTERY = 3.3V
V VBATTERY - VCC, VSW > VCC > 1.75V, NOTE 5
VBATTERY > VCC, NOTE 6
Values are identical to the Reset
V Threshold values at VCC rising
SP690T/S/R DS/10 SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory
2
© Copyright 2000 Sipex Corporation









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SP802TEP Даташит, Описание, Даташиты
SPECIFICATIONS (continued)
VCC = 3.17V to 5.50V for the SP690T/SP80_T, VCC = 3.02V to 5.50V for the SP690S/SP80_S, VCC = 2.72V to 5.50V for the SP690R/SP80_R, VBATT = 3.60V, and
T = T to T unless otherwise noted. Typical values taken at T = +25OC.
A MIN
MAX
AMB
PARAMETERS
MIN.
TYP.
MAX. UNITS CONDITIONS
Reset Threshold, VRST
NOTE 8
Reset Timeout Period, tWP
RESET, PFO Output Voltage, VOH
3.00
3.00
2.85
2.85
2.55
2.55
3.075
3.085
2.925
2.935
2.625
2.635
3.00
3.00
2.88
2.88
2.59
2.59
3.075
3.085
2.925
2.935
2.625
2.635
140 200
VCC - 0.3 VCC - 0.15
RESET, PFO Output Voltage, VOL
0.06
RESET, PFO Output Voltage, VOL
0.13
RESET Output Voltage, VOL
0.06
RESET Output Leakage Current,
NOTE 11
Output Short to GND Current, IOS,
PFO and RESET
-1
180
3.15
3.17
3.00
3.02
2.70
2.72
3.12
3.14
3.00
3.02
2.70
2.72
280
0.30
0.30
0.30
-1
500
SP690T/805T, VCC falling
SP690T/805T, VCC rising
V SP690S/805S, VCC falling
SP690S/805S, VCC rising
SP690R/805R, VCC falling
SP690R/805R, VCC rising
SP802T/804T, VCC falling
SP802T/804T, VCC rising
V SP802S/804S, VCC falling
SP802S/804S, VCC rising
SP802R/804R, VCC falling
SP802R/804R, VCC rising
ms
V ISOURCE = 30µA
V ISINK = 1.2mA, SP690_/802_ where
VCC = VRST minimum
V VBATTERY = 0V, VCC = 1.0V, ISINK = 40µA
V ISINK = 1.2mA, SP804_/805_ where
V = V maximum
CC RST
µA VBATTERY = 0V, VCC = VRST minimum,
VRESET = 0V or VCC
µA VCC = 3.3V, VOH = 0V
Watchdog Timeout, tWD
WDI Pulse Width
1.12
200
1.60
40
2.24
s VCC < 3.6V
ns
WDI Input Threshold
VIH
VIL
WDI Input Current
PFI Input Threshold
PFI Input Current
0.3 x VCC
-1
1.200
1.225
-25
0.01
1.25
1.25
0.01
0.7 x VCC V
1
1.300
1.275
25
µA 0V < VCC < 5.5V
V SP690_/805_, VCC <3.6V, VPFI falling
SP802_/804_, VCC <3.6V, VPFI falling
nA
PFI Hysteresis, VPFH
10 20 mV PFI rising, VCC < 3.6V
SP690T/S/R DS/10 SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory
3
© Copyright 2000 Sipex Corporation










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