參數(shù)資料
型號: CAT825TSDI-GT3
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝: ROHS COMPLIANT, MO-203, SC-70, 5 PIN
文件頁數(shù): 10/14頁
文件大?。?/td> 209K
代理商: CAT825TSDI-GT3
CAT823, CAT824, CAT825
Catalyst Semiconductor, Inc.
5
Doc. No. MD-3027, Rev. B
Characteristics subject to change without notice
ELECTRICAL OPERATING CHARACTERISTICS (continued)
DC Characteristics: VCC = 3.0V to 5.5V for L/M versions; VCC = 2.0V to 3.6V for the R/S/T/Y/Z version,
-40C ≤ TA ≤ +85C unless otherwise noted. Typical Values at TA = 25C and VCC = 5V for L/M versions;
VCC = 3.3V for the T/S versions; VCC = 3.0V for the R version; and VCC = 2.5V for the Y/Z versions.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
WATCHDOG INPUT (CAT823 & CAT824)
tWD
Watchdog Timeout Period
1.12
1.60
3.20
s
tWDI
WDI Pulse Width
VIL = 0.4V, VIH = 0.8 x VCC
50
ns
VIL
0.3 x VCC
VIH
WDI Input Voltage
0.7 x VCC
V
WDI = VCC, Time Average
120
160
WDI Input Current
WDI = 0V, Time Average
-20
-15
A
MANUAL RESET INPUT(CAT823 & CAT825)
VIL
0.3 x VCC
VIH
MR
Input Voltage
0.7 x VCC
V
tPB
MR
Pulse Width
1
s
tPDLY
MR
low to Reset Delay
5
s
MR
Noise Immunity
Pulse Width with No Reset
100
ns
MR
Pullup Resistance (internal)
35
52
75
k
Notes:
(3) WDI is internally serviced within the watchdog period if WDI is left open.
(4) The WDI input current is specified as an average input current when the WDI input is driven high or low. The WDI input if connected to a
three-stated output device can be disabled in the tristate mode as long as the leakage current is less than 10A and a maximum
capacitance of less than 200pF. To clock the WDI input in the active mode the drive device must be able to source or sink at least 200A
when active.
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