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UCC39811

Features: · Support Four 5V Peripherals and One USB 3.3V Controller· Separate Power Enables· 650mA Current Limiting per Channel· Separate Open Drain Fault Indicator for Each Channel· 3.3V Output for USB Controller· Available in 20 Pin DIPPinoutSpecificationsVFIL . . . . . . . . . . . . . . . . . ....

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SeekIC No. : 004536136 Detail

UCC39811: Features: · Support Four 5V Peripherals and One USB 3.3V Controller· Separate Power Enables· 650mA Current Limiting per Channel· Separate Open Drain Fault Indicator for Each Channel· 3.3V Output for...

UCC39811 Data Sheet

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Part Number:
UCC39811
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Support Four 5V Peripherals and One
  USB 3.3V Controller
· Separate Power Enables
· 650mA Current Limiting per Channel
· Separate Open Drain Fault Indicator
  for Each Channel
· 3.3V Output for USB Controller
· Available in 20 Pin DIP


Pinout

Connection Diagram


Specifications

VFIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V
VHUB Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9V
Logic Inputs (ENA-D, ENHUB)
Maximum Forced Voltage . . . . . . . . . . . . . . . . . . . .  0.3V to 7V
Maximum Forced Current . . . . . . . . . . . . . . . . . . . . . . . .  .±1mA
V33
Maximum Forced Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V
Maximum Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA
V5A-D
Maximum Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V
Maximum Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900mA
Storage Temperature . . . . . . . . . . . . . . . . . . . -65°C to +150°C
Junction Temperature. . . . . . . . . . . . . . . . . . . 55°C to +150°C
Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . +300°C
Unless otherwise indicated, voltages are reference to ground.
Pulsed is defined as a less than 10% duty cycle with a maximum
duration of 500mS. Currents are positive into, negative out of the
specified terminal. All voltages are with respect to ground. Consult
Packaging Section of Databook for thermal limitations and
considerations of packages.


Description

The UCC39811 Hot Swap Power Controller is designed to provide a self powered USB hub with a local 3.3V regulated voltage and four 5V regulated voltages for USB ports. Each of the 5V output ports is individually enabled for optimal port control. Each port also provides an overcurrent fault signal indicating that the port has exceeded a 650mA current limit. The 3.3V linear regulator is used to power the local USB microcontroller. This regulator is protected with a 100mA current limit and has a logic level enable input.

The UCC39811 can be configured to provide USB port power from a loosely regulated voltage such as a Filament voltage internal to a monitor. Pre-regulation is provided by an internal linear regulator controller and one external logic level N-channel MOSFET. The UCC39811 can also be configured without using the pre-regulator stage by connecting the VREG pins to a regulated 5.5V 2A source.

The UCC39811 comes in a 20-pin DIP package and is protected by internal over-temperature shutdown mechanism, which disables the outputs should the internal junction temperature exceed 150°C.




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