RT9711 RICHTEK [Richtek Technology Corporation], RT9711 Datasheet - Page 2

• Manufacturer Part Number: RT9711
• Description: 80m?, 1.5A High-Side Power Switches with Flag
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9711
Typical Application Circuit
Function Block Diagram
www.richtek.com
2
Functional Pin Description
Note: A low-ESR 150μF aluminum electrolytic or tantalum
between V
the 330mV maximum droop requirement in the hub V
(see Application Information Section for further details)
RT9711
Voltage 5V
Supply
OFF
1
2
3
4
5
1uF
Pull-Up Resistor (10K to 100K)
ON
□
Pin No.
OUT
B RT9711
EN
and GND is strongly recommended to meet
VIN
EN
6, 7, 8
RT9711
2, 3
GND
5
1
4
VOUT
Oscillator
□
FLG
S
Bias
FLG
GND
EN
VIN
VOUT
Pin Name
10uF
Ferrite
Beads
Protection
Thermal
150uF
Charge
Pump
UVLO
USB Controller
Open-Drain Fault Flag Output
Ground
Chip Enable (Active Low)
Power Input Voltage
Output Voltage
Over -Current
Data
Pin Function
Preliminary
V
D+
D-
GND
BUS
BUS
Control
Gate
.
Test Circuits
Output Voltage
V
IN
Detection
Delay
OFF
Limiting
Current
C
IN
ON
VIN
EN
RT9711
GND
R
FG
VOUT
FLG
DS9711-04 March 2007
C
OUT
GND
VIN
VOUT
FLG
V
FLG
R
V
L
OUT
I
L