2

UCC3831

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Input Supply Currents

VHUB Supply Current

No External Load on V33

1

3

mA

VFIL Supply Current

13

mA

Reference

VREF Voltage

Over Temperature

2.35

2.5

2.65

V

Line Regulation

VHUB = 4.5V to 9V

3

10

mV

3.3V Regulator

V33 Voltage

3.2

3.3

3.4

V

0mA to 100mA, 0°C to 125°C, VHUB = 4.5V to 9V

3.165

3.3

3.435

V

Short Circuit Current Limit

VHUB = 6V, Output shorted to Ground

100

120

150

mA

Pre-Regulator

VREG Voltage

0A to 2A, 0°C to 125°C, VFIL = 6V to 9V

5.25

5.5

5.7

V

5V Regulator

V5A-D Voltage

4.85

5

5.15

V

0mA to 500mA, 0°C to 125°C

4.8

5

5.2

V

Short Circuit Current Limit

VREG = 5.5V, Output Shorted to Ground

500

600

750

mA

Charge Pump

Quiescent Output Voltage

11

11.45

12

V

0°C to 125°C, VFIL = 6V

10.5

11.45

12

V

Output Impedance

915

k

Ω

Enable Inputs

ENA-D Inputs - Guaranteed Low

0.7

V

ENA-D Inputs - Guaranteed High

3

V

Enable Inputs (cont.)

ENHUB Input - Guaranteed Low

0.7

V

ABSOLUTE MAXIMUM RATINGS

VFIL ............................................9V

VCON Supply Votage ..............................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 ........................... 750mA

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 500

µS. Currents are positive into, negative out of the

specified terminal. All voltages are with respect to ground. Con-

sult Packaging Section of Databook for thermal limitations and

considerations of packages.

CONNECTION DIAGRAM

SOIC-28 (Top View)

DWP Package

* DWP package pin 28 serves as signal ground; pins 7, 8, 9,

20, 21, 22 serve as heatsink/ground.