RT9802 RICHTEK [Richtek Technology Corporation], RT9802 Datasheet - Page 2
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RT9802
Manufacturer Part Number
RT9802
Description
User Programmable Micro-Power Voltage Detectors
Manufacturer
RICHTEK [Richtek Technology Corporation]
Datasheet
1.RT9802.pdf
(5 pages)
RT9802
Typical Application Circuit
Function Block Diagram
www.richtek.com
2
Functional Pin Description
Pin Name
VSET0
GND
RESET
VDD
VSET1
VSET2
Pin Function
Threshold Voltage Selection Pin 1
Ground Pin
Reset Pulse Output, Negative Pulse
Power Pin
Threshold Voltage Selection Pin 2
Threshold Voltage Selection Pin 3
Internal Clock
VSET0
VSET1
VSET2
Threshold Voltage Setting
VSET
VDD
μP
RESET
Power On Reset
GND
Preliminary
RT9802B V
CMP
POR
TH
VSET0
GND
RESET
= 2.5V in this example
Timer
RT9802
VSET1
VSET2
VDD
VDD
N MOS
P MOS
GND
RESET
DS9802-07 March 2007