LT3582 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT3582

I2C Programmable Boost and Single Inductor Inverting DC/DC Converters with OTP

Linear Technology 

LT3582/LT3582-5/LT3582-12

TYPICAL PERFORMANCE CHARACTERISTICS Note: All waveforms on this page apply

to Figure 13.

Switching Waveform at 1mA

Load (Boost)

Switching Waveform at 10mA

Load (Boost)

Switching Waveform at 100mA

Load (Boost)

VSWP

5V/DIV

VVOUTP

10mV/DIV

AC COUPLED

IL2

0.2A/DIV

5μs/DIV

VSWP

5V/DIV

VVOUTP

10mV/DIV

AC COUPLED

3582512 G10

IL2

0.2A/DIV

2μs/DIV

VSWP

5V/DIV

VVOUTP

10mV/DIV

AC COUPLED

3582512 G11

IL2

0.2A/DIV

200ns/DIV

3582512 G12

Switching Waveform at 1mA

Load (Inverting)

VSWN

10V/DIV

VVOUTN

20mV/DIV

AC COUPLED

Switching Waveform at 10mA

Load (Inverting)

VSWN

10V/DIV

VVOUTN

50mV/DIV

AC COUPLED

Load Transient, VOUTN, 30mA to

60mA to 30mA Steps

VVOUTN

0.1V/DIV

AC COUPLED

LOAD

CURRENT

–20mA/DIV

IL1

0.2A/DIV

5μs/DIV

3582512 G13

IL1

0.2A/DIV

5μs/DIV

3582512 G14

IL1

0.2A/DIV

50μs/DIV

3582512 G15

Load Transient, VOUTP, 30mA to

60mA to 30mA Steps

VOUTP

0.2V/DIV

AC COUPLED

LOAD

CURRENT

20mA/DIV

IL2

0.2A/DIV

50μs/DIV

3582512 G16

Power-Up Sequencing Waveforms

(PUSEQ = 11)

VRAMPN

1V/DIV

VRAMPP

1V/DIV

VVOUTP

5V/DIV

VVOUTN

5V/DIV

Power-Down Discharge

Waveforms

(PUSEQ = 11, PDDIS = 1)

VRAMPN

1V/DIV

VRAMPP

1V/DIV

VVOUTP

5V/DIV

VVOUTN

5V/DIV

5ms/DIV

3582512 G17

5ms/DIV

3582512 G18

3582512f

7

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