rt9802-bpe Richtek Technology Corporation, rt9802-bpe Datasheet - Page 2

• Manufacturer Part Number: rt9802-bpe
• Description: User Programmable Micro-power Voltage Detectors
• Manufacturer: Richtek Technology Corporation

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