UCC5681PW24



                 

              



SLUS441A – MARCH 1999 – REVISED AUGUST 2000

3

POST OFFICE BOX 655303 

 DALLAS, TEXAS 75265

electrical characteristics over recommended operating free-air temperature range, 
T

A

 = T

J

 = 0

°

C to 70

°

C, TRMPWR = 2.7 V to 5.25 V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TRMPWR Supply Current Section

TRMPWR s ppl c rrent

LVD Mode (No Load)

35

mA

TRMPWR supply current

Disabled Mode

500

µ

A

Regulator Section

Regulator output voltage

0.5 V 

 VCM 

2.0,  See Note 1

1.15

1.25

1.35

V

Regulator short-circuit source current

VREG = 0 V

-100

-80

mA

Regulator short-circuit sink current

VREG = 3.0 V

80

100

mA

DIFSENS Output Section

Output voltage

–5 mA 

 IDIFSENS 

50 

µ

A

1.2

1.3

1.4

V

Short-circuit source current

VDIFSENS = 0 V

-15

-5

mA

Short-circuit sink current

VDIFSENS = 2.75 V

50

200

µ

A

Differential Termination Section (Applies to each line pair , 1-9, in LVD mode)

Differential impedance

100

105

110

Common-mode impedance

L+ and L- shorted together,

See Note 2

110

150

165

Differential bias voltage

100

125

mV

Common-mode bias voltage

L+ and L- shorted together

1.15

1.25

1.35

V

Disconnected Termination Section (Applies to each line pair , 1-9, in DISCNCT, SE or HVD mode)

Output leakage

400

nA

Output capacitance

Single-ended measurement to ground,
See Note 3

3

pF

DISCNCT and DIFFB Input Section

DISCNCT threshold

0.8

2.0

V

DISCNCT input current

VDISCNCT = 0 V and 2.0 V

-30

-10

µ

A

DIFFB SE to LVD threshold

0.5

0.7

V

DIFFB LVD to HVD threshold

1.9

2.4

V

DIFFB input current

0 V 

 VDIFFB 

2.75 V

-10

10

µ

A

Low Voltage Differential (LVD) Status Bit Section (See Note 4)

ISOURCE

VLOAD = 2.4 V

-6

-4

mA

ISINK

VLOAD = 0.4 V

2

5

mA

Time Delay/Filter Section

Mode change delay

A new mode change can start any time after a
previous mode change has been detected

100

190

300

ms

Thermal Shutdown Section

Themal shutdown threshold

For increasing temperature

140

155

170

°

C

Themal shutdown hysteresis

10

°

C

NOTES:

1. VCM is applied to all L+ and L- lines simultaneously.

2.  Z

CM

+

(2.0V

*

0.5V)

ƪ

I

VCM(max)

*

I

VCM(min)

ƫ

 @ V

CM(max)

 = 2.0, V

CM(min)

 = 0.5 V

3. Ensured by design, not production tested.
4. This applies to the 28-pin package only.

UCC5681PW24 Information:
Part No.
UCC5681PW24

RFQ

Description
UCC5681PW24
File Size
210905 bytes
Page Size
612 x 792 pts (letter)
All Pages
9
Manufacturer
Texas Instruments
Homepage
http://www.ti.com/
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