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RT9818A-37GB

P1-P3P4-P6P7-P9P10-P12P13-P14
RT9818
4
DS9818-11 August 2016www.richtek.com
©
Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Note 1. Stresses beyond those listed “Absolute Maximum Ratings” may cause permanent damage to the device. These are
stress ratings only, and 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 may
affect device reliability.
Note 2. θ
JA
is measured at T
A
= 25°C on a low effective thermal conductivity single-layer test board per JEDEC 51-3.
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
OL
can be calculated by V
OL
= V
DD
− Ir * R. Where R is the pull-up resistor and Ir is the current flowing
through the pull-up resistor. For typical application (R=100kΩ), V
OL
is less than 0.2V.
RT9818
5
DS9818-11 August 2016 www.richtek.com
©
Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Typical Operating Characteristics
Supply Current vs. Input Voltage
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0123456
Input Voltage (V)
Supply Current (μA
)
RT9818C-30
80°C
25°C
−30°C
Supply Current vs. Input Voltage
0
1
2
3
4
5
6
0123456
Input Voltage (V)
Supply Current (μA
)
80°C
25°C
−30°C
RT9818A-12
Nch Driver Output Current vs. V
DS
0
10
20
30
40
50
60
0 0.5 1 1.5 2 2.5 3 3.5
V
DS
(V)
Output Current (mA
)
V
DD
= 2V
V
DD
= 1.5V
RT9818C-30
V
DD
= 2.8V
V
DD
= 2.5V
Nch Driver Output Current vs. V
DS
0.0
0.4
0.8
1.2
1.6
2.0
2.4
0 0.3 0.6 0.9 1.2 1.5
V
DS
(V)
Output Current (mA
)
V
DD
= 1V
V
DD
= 1.1V
RT9818A-12
Output Voltage vs. Input Voltage
0
1
2
3
4
5
6
7
0123456
Input Voltage (V)
Output Voltage (V)
4.5V
1.2V
RT9818
Nch Driver Output Current vs. V
DS
0
20
40
60
80
100
120
012345
V
DS
(V)
Output Current (mA
)
RT9818A-45
V
DD
= 4.4V
= 4V
= 3.5V
= 3V
= 2.5V
= 2V
= 1.5V
RT9818
6
DS9818-11 August 2016www.richtek.com
©
Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Supply Current vs. Input Voltage
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0123456
Input Voltage (V)
Supply Current (μA
)
RT9818A-45
80°C
25°C
-30°C
Power Down Reset Delay vs. Temperature
0
5
10
15
20
25
30
35
40
45
-50 -25 0 25 50 75 100 125
Temperature (°C)
Power Down Reset Delay (µs
)
RT9818C-30
V
DROP
= 200mV
V
DROP
= 150mV
V
DROP
= 250mV
Power Down Reset Delay vs. Temperature
0
2
4
6
8
10
12
14
-50 -25 0 25 50 75 100 125
Temperature (°C)
Power Down Reset Delay (µs
)
RT9818A-12
V
DROP
= 200mV
V
DROP
= 150mV
V
DROP
= 250mV
Power Down Reset Delay vs. Temperature
0
5
10
15
20
25
30
35
40
45
-50-250 255075100125
Temperature (°C)
Power Down Reset Delay (µs) 1
RT9818A-45
V
DROP
= 200mV
V
DROP
= 150mV
V
DROP
= 250mV
Reset Threshold Deviation vs. Temperature
1
2
3
4
5
6
-50 -25 0 25 50 75 100 125
Temperature (°C)
Reset Threshold (V)
4.5V
1.2V
4.2V
2.2V
RT9818
5V
Nch Driver Sink Current vs. Input Voltage
0
5
10
15
20
25
30
35
40
0 0.5 1 1.5 2 2.5 3 3.5
Input Voltage (V)
Sink Current I
SINK
(mA)
RT9818C-30, V
DS
= 0.5V
80°C
25°C
−30°C
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RT9818A-37GB

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Description:
IC VOLT DETECTOR 3.7V SOT23-5
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New from this manufacturer.
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