RT9828 RICHTEK [Richtek Technology Corporation], RT9828 Datasheet - Page 2

• Manufacturer Part Number: RT9828
• Description: Dual Micro-Power Voltage Detectors
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9828
Typical Application Circuit
Functional Pin Description
Function Block Diagram
www.richtek.com
2
Available Voltage Version
Pin No.
Voltage
Voltage
Code
Code
1
2
3
4
5
6
VDD1
NC
RESET2
VDD2
GND
RESET1
2.65
1.2
Pin Name
C
T
1.3
2.7
B
L
VDD1
VDD2
Input of Detector1.
No Internal Connection. It should be floating.
Active Low Open-Drain Reset Pin of Detector2.
Input of Detector2.
Ground.
Active Low Open-Drain Reset Pin of Detector1.
1.5
2.8
M
F
Voltage Setting
Voltage Setting
Threshold
Threshold
VSET1
VSET2
V
V
DD1
DD2
2.85
1.6
W
N
Power On Reset
Power On Reset
1
4
1.8
2.9
G
V
VDD1
VDD2
CMP
CMP
POR
POR
Pin Function
RT9828
100k
100k
1.85
RESET1
RESET2
D
P
3
GND
Timer
Timer
6
5
3
1.9
3.1
Q
Y
RESET1
RESET2
N MOS
N MOS
3.2
H
R
2
2.1
3.3
GND
RESET1
RESET2
E
S
2.5
J
T
5
DS9828-02 April 2011
2.6
K
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