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LTC3787

3787fc

TYPICAL PERFORMANCE CHARACTERISTICS

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

015

510

INPUT VOLTAGE (V)

4.7

5.2

5.3

5.4

5.5

5.0

4.6

5.1

4.5

4.9

4.8

3787 G16

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

3787 G17

EXTVCC = 0V

EXTVCC = 6V

VIN = 12V

–60

–35 –10

140

115

TEMPERATURE (°C)

3787 G13

140

120

110

180

160

170

150

130

VIN = 12V

VFB = 1.25V

RUN = GND

–60

–35 –10

140

115

TEMPERATURE (°C)

3787 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

3787 G15

–60

–35 –10

140

115

INTVCC RISING

INTVCC FALLING

TEMPERATURE (°C)

4.0

4.2

4.6

4.8

5.0

6.0

5.4

4.4

5.6

5.8

5.2

3787 G18

–60

–35 –10

140

115

INTVCC

EXTVCC RISING

EXTVCC FALLING

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