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RT9715FGB Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part No. RT9715FGB
Description  Operating Range : 2.7V to 5.5V, Reverse Blocking Current
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Maker  RICHTEK [Richtek Technology Corporation]
Homepage  http://www.richtek.com
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RT9715FGB Datasheet(HTML) 2 Page - Richtek Technology Corporation

 
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RT9715
2
DS9715-03 April 2011
www.richtek.com
Function Block Diagram
Pin No.
SOT-23-5
SOT-23-5
(G-Type)
SOT-23-5
(R-Type)
SOP-8 /
MSOP-8
WDFN-8L
3X3
Pin Name
Pin Function
1
1
5
6 , 7 , 8
6 , 7 , 8
VOUT
Output Voltage.
2
2
2
1
1
GND
Ground.
3
--
1
5
5
FLG
Fault FLAG Output.
4
4
3
4
4
EN/EN
Chip Enable (Active High/Low).
5
5
4
2 , 3
2 , 3
VIN
Power Input Voltage.
--
3
--
--
--
NC
No Internal Connection.
--
--
--
--
9 (Exposed
Pad)
The exposed pad must be soldered to a large
PCB and connected to GND for maximum
power dissipation.
Functional Pin Description
Typical Application Circuit
Note :
A low-ESR 150uF 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)
Supply Voltage
2.7V to 5.5V
VIN
VOUT
GND
RT9715
Over -Current
VBUS
D+
D-
GND
USB Controller
1uF
150uF
10uF
Pull-Up Resistor (10K to 100K)
Ferrite
Beads
Data
FLG
EN/EN
CIN
COUT
RT9715B/D/F/H
Chip Enable
RT9715A/C/E/G
Chip Enable
Gate
Control
Output Voltage
Detection
Delay
Oscillator
UVLO
Charge
Pump
Bias
Thermal
Protection
Current
Limiting
VOUT
VIN
GND
EN/EN
FLG
Auto Discharge


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