LT8705 datasheet(6/38 Pages) LINER

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LTC3784

3784fb

For more information www.linear.com/LTC3784

Quiescent Current vs Temperature

EXTVCC Switchover and INTVCC

Voltages vs Temperature

INTVCC Line Regulation

Shutdown (RUN) Threshold

vs Temperature

Undervoltage Lockout Threshold

vs Temperature

INTVCC vs INTVCC Load Current

Shutdown Current vs Temperature

Soft-Start Pull-Up Current

vs Temperature

Shutdown Current vs Input Voltage

TEMPERATURE (°C)

10.5

3784 G10

9.0

11.0

10.0

9.5

–60

–35 –10

40 65 90

140

115

–60

–35 –10

40 65 90

140

115

TEMPERATURE (°C)

3784 G14

1.25

1.15

1.10

1.40

1.35

1.30

1.20

RUN FALLING

RUN RISING

TEMPERATURE (°C)

3.6

4.1

4.2

4.3

4.4

3.9

3.5

4.0

3.4

3.8

3.7

3784 G15

–60

–35 –10

40 65 90

140

115

INTVCC RISING

INTVCC FALLING

INTVCC LOAD CURRENT (mA)

5.35

5.40

5.45

140

5.30

5.25

180

100

160

120

200

5.20

5.00

5.10

5.05

5.15

5.50

3784 G17

EXTVCC = 0V

EXTVCC = 6V

VIN = 12V

TEMPERATURE (°C)

4.0

4.2

4.6

4.8

5.0

6.0

5.4

4.4

5.6

5.8

5.2

3784 G18

–60

–35 –10

40 65 90

140

115

INTVCC

EXTVCC RISING

EXTVCC FALLING

TEMPERATURE (°C)

4.5

4.0

3784 G11

1.0

1.5

2.0

3.0

3.5

6.0

5.5

5.0

2.5

–60

–35 –10

40 65 90

140

115

VIN = 12V

INPUT VOLTAGE (V)

7.5

3784 G12

5.0

12.5

10.0

2.5

20 25

40 45 50

55 60

VIN = 12V

TEMPERATURE (°C)

3784 G13

–60 –35

40 65 90

–10

115 140

VIN = 12V

VFB = 1.25V

RUN = GND

INPUT VOLTAGE (V)

5.2

3784 G16

4.5

5.1

5.5

5.4

5.3

5.0

4.9

4.8

4.7

4.6

0 5 10

45 50 55

30 35 40

15 20 25

60 65

Typical perForMance characTerisTics T

A = 25°C unless otherwise noted.

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