参数资料
型号: TS825CX5HRF
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5
封装: ROHS COMPLIANT, SOT-25, 5 PIN
文件页数: 1/8页
文件大小: 176K
代理商: TS825CX5HRF
TS823/824/825 Series
Microprocessor Supervisory Circuit
with Watchdog Timer & Manual Reset
1/8
Version: C07
SOT-25
General Description
The TS823/824/825 family allows the user to customize the CPU monitoring function without any external
components. The user has a large choice of reset voltage thresholds and output driver configurations, all of which are
present ant the factory. Each wafer is trimmed to the customer’s specifications.
These circuits will ignore fast negative going transients on Vdd. The state of the reset output is guaranteed to be
correct down to 1V. After Vdd crosses above a factory present threshold, the TS823/824/825 assert a reset signal.
After a predetermined time (the “reset” interval) the reset is deasserted. If Vdd ever drops below the threshold voltage
a reset is asserted immediately. In addition to a supply monitoring function the TS823/824/825 also monitor transitions
at the watchdog (WDI) input. If a logic transition does not occur at the WDI pin within a certain time interval (the
“watchdog” interval) then a reset is asserted. The reset deasserts after the reset interval, as explained earlier.
The TS823/824/825 can both assert a reset manually by pulling the MR input to ground, and the micro-power
quiescent current make this family a natural for portable battery powered equipment.
Ordering Information
Note: x is the threshold voltage type, option as
A : 4.63V
B : 4.38V
D : 3.08V
E : 2.93V
F : 2.63V
G : 2.32V
H : 2.19V
Contact factory for additional voltage option
Part No.
Package
Packing
TS823CX5x RF
SOT-25
3Kpcs / 7” Reel
TS824CX5x RF
SOT-25
3Kpcs / 7” Reel
TS825CX5x RF
SOT-25
3Kpcs / 7” Reel
Features
Precision monitoring of +3V, +3.3V and +5V power
supply voltage
Tight voltage threshold tolerance +/-1.5%
Fully specified over temperature
210mS min. power-on reset pulse width
3uA(typ) supply current
Guaranteed reset valid to Vdd = +1V
Power supply transient immunity
No external components
Applications
Computers and Controllers
Embedded Controllers
Intelligent instruments
Critical uP monitoring
Portable / Battery powered equipment
Automotive Systems
Pin Descriptions
Function
TS823
TS824
TS825
RESET (Active-Low)
1
Ground
2
Manual Reset
3
-
4
(RESET) (Active-High)
-
3
Watchdog Input
4
-
Supply Voltage (Vdd)
5
Absolute Maximum Rating
Parameter
Symbol
Maximum
Unit
Supply Voltage
Vdd
6.0
V
Supply Voltage - Recommended
Vdd
0.9 ~ 5
V
Operating Junction Temperature Range
TOP
-40 ~ +125
oC
Storage Temperature Range
TSTG
-65 ~ +150
oC
Thermal Resistance
Θjc
256
oC/W
Maximum Lead Temperature (260
oC)
TLEAD
10
S
Notes: Stress above the listed absolute rating may cause permanent damage to the device.
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