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參數資料
| 型號： | TS825CX5HRF |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5 |
| 封裝： | ROHS COMPLIANT, SOT-25, 5 PIN |
| 文件頁數： | 1/8頁 |
| 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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