LTC3370 datasheet(5/26 Pages) AD

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LTC3307A

Rev. A

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Default Switching Frequency

TYPICAL PERFORMANCE CHARACTERISTICS V

IN = 3.3V, TA = 25°C, unless otherwise noted.

Switch On Resistance

Switching Frequency

Default Switching Frequency

RT Switching Frequency

Feedback Voltage

Minimum On-Time

TEMPERATURE (ºC)

–50 –25

75 100 125 150

495

496

497

498

499

500

501

502

503

504

505

3307A G01

150°C

25°C

–50°C

INPUT VOLTAGE (V)

2.5

3.5

4.5

5.5

3307A G02

VIN = 5.5V

VIN = 3.3V

VIN = 2.25V

TEMPERATURE (°C)

–50 –25

75 100 125 150

3307A G03

PMOS

NMOS

INPUT VOLTAGE (V)

2.5

3.5

4.5

5.5

3307A G04

VIN = 3.3V

PMOS

NMOS

TEMPERATURE (°C)

–50 –25

75 100 125 150

3307A G05

INPUT VOLTAGE (V)

2.5

3.5

4.5

5.5

1.80

1.84

1.88

1.92

1.96

2.00

2.04

2.08

2.12

2.16

2.20

3307A G06

VIN = 5.5V

VIN = 3.3V

VIN = 2.25V

TEMPERATURE (°C)

–50 –25

75 100 125 150

1.80

1.84

1.88

1.92

1.96

2.00

2.04

2.08

2.12

2.16

2.20

3307A G07

RT (kΩ)

20 25 30 35 40 45 50 55 60 65 70 75

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3307A G08

RT = 34.8 kΩ

VIN = 5.5V

VIN = 3.3V

VIN = 2.25V

TEMPERATURE (°C)

–50 –25

75 100 125 150

1.80

1.84

1.88

1.92

1.96

2.00

2.04

2.08

2.12

2.16

2.20

3307A G09

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