RT9807 RICHTEK [Richtek Technology Corporation], RT9807 Datasheet - Page 3

• Manufacturer Part Number: RT9807
• Description: Micro-Power Voltage Detector with Manual Reset
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Electrical Characteristics
(T
Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Note 5. The voltage V
DS9807-01 April 2011
MR Input
Threshold voltage
MR Glitch Rejection
MR to Reset Propagation Delay t
MR Pull-up Resistance
Reset Timeout Period
CT Source Current
CT Source Threshold Voltage
CT Threshold Hysteresis
Operating VDD Range
Supply Current
Reset Threshold
Threshold Voltage Accuracy
Threshold Voltage Hysteresis
Reset Threshold Tempco
VDD Drop to Reset Delay
RST Output Voltage Low
(Note 5)
A
= 25°C, unless otherwise specified)
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
thermal measurement standard.
the pull-up resistor. For typical application R = 100kΩ, VOL is less than 0.2V.
JA
is measured in natural convection at T
Parameter
Logic-High
Logic-Low
OL
can be calculated by V
V
V
R
t
I
V
V
I
V
ΔV
V
t
V
MR
RP
RAMP
DD
RP
Symbol
IH
IL
TH-RAMP
MR
DD
TH
HYS
OL
TH
OL
= V
C
C
V
Drop = V
V
CT
CT
A
TH
DD
DD
= 25°C on a low effective thermal conductivity test board of JEDEC 51-3
= 1500pF
= 0pF
= 3V, V
< V
- I
r
Test Conditions
x R. Where R is the pull-up resistor and I
TH(min.)
TH
DD
– 250mV
= 4.5V
, I
SINK
= 3.5mA
0.7V
3.35
−1.5
Min
0.9
1.2
--
--
--
--
--
--
--
--
--
--
--
--
--
DD
50 x V
r
4.375
0.275
0.65
is the current flowing through
240
Typ
100
100
80
20
33
--
--
--
--
--
--
2
3
TH
0.25V
RT9807
5.40
Max
www.richtek.com
5.5
3.3
1.5
0.4
--
--
--
--
--
--
--
--
--
--
--
5
DD
ppm/°C
Unit
mV
mV
ms
μA
kΩ
nA
μs
ns
μs
%
V
V
V
V
V
3