UCC28811 datasheet(11/31 Pages) TI

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125

-50

100

-25

100

120

110

J – Junction Temperature – °C

2.8

2.0

2.5

2.4

2.2

2.7

2.1

2.6

0.5

1.5

-1.5

-1.0

-0.5

1.0

2.3

VSENSE – Output Sense Voltage – V

UCC28810

UCC28811

2.60

2.40

2.50

2.45

2.55

-0.012

-0.004

0.004

0.008

0.012

-0.008

VSENSE – Output Sense Voltage – V

Small Signal View

125

-50

100

-25

2.65

2.60

2.80

2.40

2.45

2.55

2.75

2.70

2.50

OVP OFF

OVP ON

J – Junction Temperature – °C

UCC28810

UCC28811

www.ti.com.............................................................................................................................................................................................. SLUS865 – OCTOBER 2008

TYPICAL CHARACTERISTICS (continued)

Unless otherwise noted, VVDD=12 V, –40°C ≤ TA = TJ ≤ 105°C

TRANSCONDUCTANCE

TRANSCONDUCTANCE AMPLIFIER CURRENT

JUNCTION TEMPERATURE

OUTPUT SENSE VOLTAGE

Figure 9.

Figure 10.

TRANSCONDUCTANCE AMPLIFIER CURRENT

OVERVOLTAGE PROTECTION THRESHOLD

OUTPUT SENSE VOLTAGE

JUNCTION TEMPERATURE

Figure 11.

Figure 12.

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