SC1109BSTR datasheet(13/19 Pages) SEMTECH

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POWER MANAGEMENT

SC1109

Typical Characteristics

Typical Icc (Switching section)

Typical Soft start source Current Vss = 0V

Typical Soft start sink Current Vss = 0V

Typical Soft start sink Current Vss = 1.5V

Typical Soft start source Current Vss = 1.5V

Typical ISTBYQ (Linear section)

SC1109 Quiescent Current vs Ta

7.40

7.45

7.50

7.55

7.60

7.65

7.70

7.75

7.80

7.85

7.90

20304050

6070

Ta(°C.)

Vcc = 5.25

Vcc = 4.75

SC1109 Soft start Source Current vs Ta

9.14

9.16

9.18

9.20

9.22

9.24

9.26

9.28

9.30

9.32

102030

40506070

Ta (°C.)

Vcc = 5.25V , Vss = 0V

Vcc = 4.75V , Vss = 0V

SC1109 Soft start Sink Current vs Ta

9.08

9.10

9.12

9.14

9.16

9.18

9.20

9.22

9.24

9.26

9.28

9.30

102030

40506070

Ta (°C.)

Vcc = 5.25V , Vss = 0V

Vcc = 4.75V , Vss = 0V

SC1109 Quiescent Current (Linear) vs Ta

3.95

4.00

4.05

4.10

4.15

4.20

4.25

4.30

4.35

4.40

4.45

10203040506070

Ta (°C.)

Vcc = 5.25

Vcc = 4.75

SC1109 Soft start Source Current vs Ta

7.94

7.96

7.98

8.00

8.02

8.04

8.06

8.08

8.10

102030

40506070

Ta (°C)

Vcc = 4.75V , Vss = 1.5V

Vcc = 5.25V , Vss = 1.5V

SC1109 Soft start Sink Current vs Ta

1.77

1.78

1.79

1.80

102030

40506070

Ta (°C.)

Vcc = 4.75V , Vss = 1.5V

Vcc = 5.25V , Vss = 1.5V

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