LT3503 datasheet(5/20 Pages) LINER

5 / 20 page

LT3505

3505fc

TYPICAL PERFORMANCE CHARACTERISTICS

Undervoltage Lockout

Switching Frequency

Frequency Foldback, RT = 75.0k

TEMPERATURE (

°C)

3.60

3.80

4.00

3505 G10

3.40

3.20

3.50

3.70

3.90

3.30

3.10

3.00

–25

–50

100 125

FB VOLTAGE (V)

0.1

0.2

0.3

0.4

0.2

0.4

0.6

0.8

3505 G12

0.5

0.6

0.1

0.3

0.5

0.7

TA = 25°C

Soft-Start

SHDN Pin Current

Typical Minimum Input Voltage,

(VOUT = 5V, fSW = 750kHz)

SHDN PIN VOLTAGE (V)

0.2

0.6

0.8

1.0

2.0

1.4

0.50

1 1.25

0.4

1.6

1.8

1.2

0.25

0.75

1.50 1.75 2

TA = 25°C

VSHDN (V)

3505 G14

12 14

TA = 25°C

LOAD CURRENT (mA)

6.0

6.2

6.4

6.6

6.8

100

1000

3505 G15

5.8

5.6

5.4

5.2

7.0

7.2

TO START

TO RUN

TA = 25°C

Typical Minimum Input Voltage,

(VOUT = 3.3V, fSW = 750kHz)

LOAD CURRENT (mA)

4.3

4.5

4.7

4.9

5.1

100

1000

4.1

3.9

3.7

3.5

5.3

5.5

TO START

TA = 25°C

TO RUN

Typical Minimum Input Voltage,

(VOUT = 3.3V, fSW = 2.2MHz)

LOAD CURRENT (mA)

3.5

5.0

5.5

100

1000

4.5

4.0

TO START

TO RUN

TA = 25°C

Typical Minimum Input Voltage,

(VOUT = 5V, fSW = 2.2MHz)

LOAD CURRENT (mA)

5.0

6.2

6.6

7.0

100

1000

5.8

5.4

6.0

6.4

6.8

5.6

5.2

TO START

TO RUN

TA = 25°C

TEMPERATURE (

°C)

0.60

0.80

1.20

1.40

1.60

100

2.40

1.00

–50 –25

125

1.80

2.00

2.20

RT = 21k

RT = 30.1k

RT = 75.0k

LT3503 Datasheet(PDF) 5 Page - Linear Technology

LT3503 Datasheet(HTML) 5 Page - Linear Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Datasheet Download

Link URL