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RT9702PB Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT9702PB
Description  80m廓, 500mA/1.1A High-Side Power Switches with Flag
PDF  16 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9702PB Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT9702/A
2
DS9702/A-11
June 2007
www.richtek.com
Function Block Diagram
Functional Pin Description
Pin Name
Pin Function
VIN
Power Input Voltage
VOUT
Output Voltage
GND
Ground
EN
Chip Enable (Active High)
FLG
Open-Drain Fault Flag Output
Gate
Control
Output Voltage
Detection
Delay
Oscillator
UVLO
Charge
Pump
Bias
Thermal
Protection
Current
Limiting
FLG
VOUT
VIN
EN
GND
Typical Application Circuit
Note: A low-ESR 150
μF aluminum electrolytic or tantalum between VOUT and GND is strongly recommended to meet the
330mV maximum droop requirement in the hub VBUS. (see Application Information Section for further details)
VIN
EN
FLG
VOUT
GND
RT9702/A
Over -Current
V
BUS
D+
D-
GND
0.1uF
10K
USB Controller
1uF
150uF
10uF
Supply Voltage 5V
Pull-Up Resistor (10K to 100K) (Optional)
Flag Transient Filtering)
Ferrite
Beades
Data
Chip Enable
Pin Configurations
(TOP VIEW)
EN
23
54
1
GND FLG
VIN
VOUT
SOT-23-5/TSOT-23-5



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