LTC6820 datasheet(13/92 Pages) AD

13 / 92 page

LTC6811-1/LTC6811-2

Rev. C

For more information www.analog.com

TYPICAL PERFORMANCE CHARACTERISTICS

VREF2 vs Temperature

VREF2 VREG Line Regulation

VREF2 V+ Line Regulation

VREF2 Load Regulation

VREF2 Long-Term Drift

VREF2 Hysteresis, Hot

VREF2 Hysteresis, Cold

VREF2 Change Due to IR Reflow

VDRIVE vs Temperature

5 TYPICAL UNITS

TEMPERATURE (°C)

–50 –25

100 125

2.995

2.996

2.997

2.998

2.999

3.000

3.001

3.002

3.003

3.004

3.005

68111 G28

IL = 0.6mA

125°C

85°C

25°C

–40°C

VREG (V)

4.5

4.75

5.25

5.5

–200

–130

–60

150

68111 G29

VREG GENERATED FROM

DRIVE PIN, FIGURE 28

125°C

85°C

25°C

–40°C

V+ (V)

–100

–80

–60

–40

–20

100

68111 G30

V+ = 39.6V

VREG = 5V

125°C

85°C

25°C

–40°C

IOUT (mA)

0.01

0.1

–1000

–800

–600

–400

–200

200

68111 G31

8 TYPICAL PARTS

TIME (HOURS)

500

1000

1500

2000

2500

–100

–80

–60

–40

–20

100

68111 G32

TA = 85°C TO 25°C

CHANGE IN VREF2 (ppm)

–50 –25

100 125

68111 G33

TA = –40°C TO 25°C

CHANGE IN VREF2 (ppm)

–75 –50 –25

100

68111 G34

CHANGE IN VREF2 (ppm)

–175 –125

–75

–25

125

68111 G35

5 TYPICAL UNITS

NO LOAD

TEMPERATURE (°C)

–50 –25

100 125

5.2

5.3

5.4

5.5

5.6

5.7

5.8

68111 G36

TA = 25°C, unless otherwise noted.

LTC6820 Datasheet(PDF) 13 Page - Analog Devices

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