LT8602 datasheet(9/30 Pages) LINER

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LT8602

8602fb

For more information www.linear.com/LT8602

TA = 25°C, VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V

and PVIN3 = PVIN4 = 3.3V, unless otherwise noted.

Typical perForMance characTerisTics

Channel 2 Start-Up and Dropout,

RL = 20Ω

Channel 2 Start-Up and

Dropout, RL = 2Ω

Channel 1 Start-Up and Dropout,

RL = 3.3Ω

Full Frequency Waveforms

Light Load Waveforms

100ms/DIV

2V/DIV

8602 G29

VOUT1

VIN

Channel 2 Full Frequency

VIN vs Load Current

Channel 3, 4 Full Frequency

VIN vs Load Current

Channel 1 Start-Up and Dropout,

RL = 20Ω

100ms/DIV

2V/DIV

8602 G33

VOUT2

VIN

100ms/DIV

2V/DIV

8602 G30

VOUT1

VIN

100ms/DIV

2V/DIV

8602 G32

VOUT2

VIN

200ns/DIV

VSW1

10V/DIV

VSW2

10V/DIV

VSW3

2V/DIV

VOUT1 = 5V

VOUT2 = 3.3V

VOUT3 = 1.8V

VOUT4 = 1.2V

VSW4

2V/DIV

8602 G34

5µs/DIV

VOUT

20mV/DIV

VSW

5V/DIV

CHANNEL 1

12VIN TO 5VOUT AT 10mA

VSYNC = 0V

0.5A/DIV

8602 G35

IOUT (A)

0.3 0.7

1.3 1.6 1.9 2.3 2.6

8602 G28

RT = 28.9k

FULL FREQUENCY

REGION (2MHz)

VOUT = 3.3V

VOUT = 5V

IOUT (A)

0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

8602 G29

RT = 28.9k

FULL FREQUENCY

REGION (2MHz)

VOUT = 1.8V

VOUT = 1.2V

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