UCC5617 datasheet(3/5 Pages) TI

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UCC5617

ELECTRICAL CHARACTERISTICS Unless otherwise stated these specifications apply for TA

= 0°C to 70°C,

TRMPWR = 4.75V, DISCNCT = 4.75V, TA = TJ.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current Section

Termpwr Supply Current

All termination lines

= Open

All termination lines

= 0.2V

420

450

Power Down Mode

DISCNCT

= 0V

100

µA

Output Section (Termination Lines)

Termination Impedance

(Note 3)

104.5

110

115.5

Ω

Output High Voltage

VTRMPWR

= 4V (Note 1)

2.6

2.8

Maximum Output Current

VLINE

= 0.2V, TJ = 25°C

−22.1

−23.3

−24

VLINE

= 0.2V

−20.7

−23.3

−24

VLINE

= 0.2V, TRMPWR = 4V, TJ = 25°C (Note 1)

–21

–23

–24

VLINE = 0.2V, TRMPWR = 4V (Note 1)

–20

–23

–24

VLINE

= 0.5V

−22.4

Output Leakage

DISCNCT

= 0V, TRMPWR = 0V to 5.25V,

400

REG

= 0.2V, VLINE = 5.25V

Output Capacitance

DISCNCT

= 2.4V (Note 2)

3.5

Regulator Section

Regulator Output Voltage

2.6

2.8

Drop Out Voltage

All Termination Lines

= 0.2V

0.4

0.8

Short Circuit Current

VREG

= 0V

–475

−650

−850

Sinking Current Capability

VREG

= 3.5V

200

400

800

Thermal Shutdown

170

°C

Thermal Shutdown Hysteresis

°C

Disconnect Section

Disconnect Threshold

0.8

1.5

Input Current

DISCNCT

= 0V

−10

−30

µA

Note 1: Measuring each termination line while other 17 are low (0.2V).

Note 2: Guaranteed by design. Not 100% tested in production.

Note 3: Tested by measuring IOUT with VOUT = 0.2V and VOUT with no load, then calculating:

Z =

VOUT N.L. – 0.2V

IOUT at 0.2V

Procedure:

1) Measure VREG N.L.

2) Set VL = 0.2V; Measure IMAX at 0.2V

3) Impedance = VREG N.L. – 0.2V

IMAX at 0.2V

Figure 1. Termline Impedance Measurement Circuit

UDG-97108

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