LTC3787HGN-TRPBF 查看數據表（PDF） - Linear Technology

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LTC3787HGN-TRPBF

PolyPhase Synchronous Boost Controller

Linear Technology 

TYPICAL PERFORMANCE CHARACTERISTICS

LTC3787

Quiescent Current vs Temperature

180

VIN = 12V

170

VFB = 1.25V

RUN = GND

160

150

140

130

120

110

–60 –35 –10 15 40 65 90

TEMPERATURE (°C)

115 140

3787 G13

Undervoltage Lockout Threshold

vs Temperature

4.4

4.3

4.2

INTVCC RISING

4.1

4.0

3.9

INTVCC FALLING

3.8

3.7

3.6

3.5

3.4

–60 –35 –10 15 40 65 90 115 140

TEMPERATURE (°C)

3787 G15

INTVCC vs INTVCC Load Current

5.50

VIN = 12V

5.45

5.40

EXTVCC = 0V

5.35

5.30

5.25

5.20

EXTVCC = 6V

5.15

5.10

5.05

5.00

0

20 40 60 80 100 120 140 160 180 200

INTVCC LOAD CURRENT (mA)

3787 G17

Shutdown (RUN) Threshold

vs Temperature

1.40

1.35

1.30

RUN RISING

1.25

1.20

RUN FALLING

1.15

1.10

–60 –35 –10 15 40 65 90

TEMPERATURE (°C)

115 140

3787 G14

INTVCC Line Regulation

5.5

5.4

5.3

5.2

5.1

5.0

4.9

4.8

4.7

4.6

4.5

0

5 10 15 20 25 30

INPUT VOLTAGE (V)

35 40

3787 G16

EXTVCC Switchover and INTVCC

Voltages vs Temperature

6.0

5.8

5.6

INTVCC

5.4

5.2

5.0

4.8

EXTVCC RISING

4.6

4.4

EXTVCC FALLING

4.2

4.0

–60 –35 –10 15 40 65 90

TEMPERATURE (°C)

115 140

3787 G18

3787fc

7

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