LTC3788EUHTRPBF(RevA) 查看數據表（PDF） - Linear Technology

零件编号

产品描述 (功能)

生产厂家

LTC3788EUHTRPBF
(Rev.:RevA)

2-Phase, Dual Output Synchronous Boost Controller

Linear Technology 

TYPICAL PERFORMANCE CHARACTERISTICS

LTC3788

Quiescent Current vs Temperature

170

VIN = 12V

160

VFB = 1.25V

RUN2 = GND

150

140

130

120

110

100

–45 –20

5 30 55 80

TEMPERATURE (°C)

105 130

3788 G13

Undervoltage Lockout Threshold

vs Temperature

4.4

4.3

4.2

INTVCC RISING

4.1

4.0

3.9

3.8

INTVCC FALLING

3.7

3.6

3.5

3.4

–45 –20

5 30 55 80 105 130

TEMPERATURE (°C)

3788 G15

Shutdown (RUN) Threshold

vs Temperature

1.40

1.35

1.30

RUN RISING

1.25

1.20

RUN FALLING

1.15

1.10

–45 –20

5 30 55 80

TEMPERATURE (°C)

105 130

3788 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

3788 G16

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)

3788 G17

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

EXTVCC FALLING

4.4

4.2

4.0

–45 –20

5 30 55 80

TEMPERATURE (°C)

105 130

3788 G18

3788fa

7

Share Link: