SC120EVB datasheet(9/21 Pages) SEMTECH

Part #	SC120EVB

Description	Low Voltage Synchronous Boost Converter

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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PRELIMINARY

SC120

9

Startup Max. Load Current vs. V

IN (VOUT = 4.0V)

0.5

1

1.5

2

2.5

3

3.5

4

0

20

40

60

80

100

V

IN

(V)

R1 = 1.37MΩ, R2 = 590kΩ

Startup Min. Load Resistance vs. V

IN (VOUT = 4.0V)

0.5

1

1.5

2

2.5

3

3.5

4

0

20

40

60

80

100

120

140

160

V

IN

(V)

R1 = 1.37MΩ, R2 = 590kΩ

Startup Min. Load Resistance vs. V

IN (VOUT = 3.3V)

0.5

0.75

1

1.25

1.5

1.75

2

2.25

2.5

2.75

3

0

20

40

60

80

100

120

140

160

V

IN

(V)

FB grounded

Startup Max. Load Current vs. V

IN (VOUT = 1.8V)

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

1.5

0

10

20

30

40

50

V

IN

(V)

R1 = 499kΩ, R2 = 1MΩ

Startup Min. Load Resistance vs. V

IN (VOUT = 1.8V)

Startup Max. Load Current vs. V

IN (VOUT = 3.3V)

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

1.5

0

20

40

60

80

100

120

140

160

V

IN

(V)

R1 = 499kΩ, R2 = 1MΩ

0.5

0.75

1

1.25

1.5

1.75

2

2.25

2.5

2.75

3

0

10

20

30

40

50

60

70

80

90

V

IN

(V)

FB grounded

Typical Characteristics (continued)

T

A

= 25°C

T

A

= 85°C

T

A

= –40°C

T

A

= 25°C

T

A

= 85°C

T

A

= –40°C

T

A

= 25°C

T

A

= 85°C

T

A

= –40°C

T

A

= 25°C

T

A

= 85°C

T

A

= –40°C

T

A

= 25°C

T

A

= 85°C

T

A

= –40°C

T

A

= 25°C

T

A

= 85°C

T

A

= –40°C

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