參數(shù)資料
型號(hào)： RT9819H-50PU3
廠商： Richtek Technology Corporation
英文描述： Micro-Power Voltage Detectors
中文描述： 微功耗電壓檢測(cè)器
文件頁(yè)數(shù)： 3/12頁(yè)
文件大?。?/td> 134K
代理商： RT9819H-50PU3
RT9819
3
DS9819-05 August 2007
www.richtek.com
Absolute Maximum Ratings
(Note 1)
z
Terminal Voltage (with Respect to GND)
V
DD
------------------------------------------------------------------------------------------------------------------------
0.3V to 6.0V
z
All Other Inputs --------------------------------------------------------------------------------------------------------
0.3V to V
DD
+0.3V
z
Input Current, I
VDD
----------------------------------------------------------------------------------------------------- 20mA
z
Power Dissipation, PD @ T
A
= 25
°
C
SC-70-3/SC-82 --------------------------------------------------------------------------------------------------------- 0.25W
SOT-23-3 ---------------------------------------------------------------------------------------------------------------- 0.4W
z
Package Thermal Resistance (Note 4)
SC-70-3/SC-82,
θ
JA
--------------------------------------------------------------------------------------------------- 400
°
C /W
SOT-23-3,
θ
JA
----------------------------------------------------------------------------------------------------------- 250
°
C /W
z
Lead Temperature (Soldering, 10sec.)---------------------------------------------------------------------------- 260
°
C
z
Storage Temperature Range ----------------------------------------------------------------------------------------
65
°
C to 125
°
C
z
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V
Electrical Characteristics
(V
DD
= 3V, T
A
= 25
°
C, unless otherwise specified)
Recommended Operating Conditions
(Note 3)
z
Junction Temperature Range----------------------------------------------------------------------------------------
40
°
C to 125
°
C
z
Ambient Temperature Range----------------------------------------------------------------------------------------
40
°
C to 85
°
C
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Operating V
DD
(V
OUT
) Range
V
DD
RT9819A/B/C/D
0.9
--
6
V
RT9819E/F/G/H
1.1
--
6
Supply Current
I
DD
V
TH
= 3V , V
DD
= 4.5V
--
3
8
μ
A
Reset Threshold
V
TH
Δ
V
TH
--
1.2 to 5.0
--
V
Threshold Voltage Accuracy
1.5
--
+1.5
%
Threshold Voltage Hysteresis
V
HYS
--
0.01 V
TH
--
V
V
DD
Drop to Reset Delay
t
RD
Drop = V
TH
125mV
--
20
--
μ
s
Reset Active
Time Out Period
RT9819A/E
t
RP
V
DD
≥
1.02
×
V
TH
--
0
--
ms
RT9819B/F
35
55
75
ms
RT9819C/G
143
220
297
ms
RT9819D/H
292
450
608
ms
RESET Output Voltage Low
V
OL
V
DD
< V
TH(MIN)
,I
SINK
= 3.5mA,
V
TH
≥
3V
V
DD
< V
TH(MIN)
,I
SINK
= 1.2mA,
V
TH
≥
1.8V
V
TH(MIN)
> V
DD
> 1V,
I
SINK
= 0.5mA
--
--
0.4
V
--
--
0.3
--
--
0.3
To be continued
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