參數(shù)資料
型號: RT9802A
英文描述: Power Management/Voltage Dector
中文描述: 電源管理/電壓Dector
文件頁數(shù): 3/10頁
文件大小: 72K
代理商: RT9802A
Preliminary
RT9801
DS9801-02 August 2002
www.richtek.com
3
Absolute Maximum Ratings
z
Terminal Voltage (with Respect to GND)
VDD
All Other Inputs
z
Input Current, VDD
z
Continuous Power Dissipation, P
D
@ T
A
= 25
°
C
z
Operating Junction Temperature Range
z
Storage Temperature Range
z
Package Thermal Resistance
SOT-26,
θ
JA
z
Lead Temperature (Soldering, 5sec.)
-0.3V to 6.0V
-0.3V to VDD+0.3V
20mA
0.25W
-40
°
C ~ 125
°
C
-65
°
C ~ 125
°
C
250
°
C /W
260
°
C
Electrical Characteristics
(VDD
= 3V, unless specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Operating VDD (V
OUT
) Range
V
DD
0.9
--
6
V
--
--
3
Supply Current
I
DD
V
DD
= 1.5V ~ 3.5V, I
OUT
= 0
V
DD
= 3.5V ~ 5V, I
OUT
= 0
--
--
3.3
μ
A
Reset Threshold
V
TH
V
TH
T
A
= 27
°
C
T
A
= 27
°
C
Drop = -125mV
--
Note1
--
V
Threshold Voltage Accuracy
--
--
3
%
V
CC
Drop to Reset Delay
t
RD
--
--
20
μ
S
Reset Active Time Out Period
t
RP
V
DD
1.02
×
V
TH
,
Programmable
--
200
--
mS
V
IL
T
A
= 27
°
C
--
0.15V
DD
--
VSET Pin Input Threshold
V
IH
T
A
= 27
°
C
--
0.85V
DD
--
V
RESET Output Voltage
V
OL
V
DD
< V
TH
, I
SINK
= 3.5mA
--
0.4
--
V
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