S-8521E35MC-BLUT2x datasheet(27/44 Pages) SII

Part #	S-8521E35MC-BLUT2x

Description	STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

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Manufacturer	SII [Seiko Instruments Inc]

Direct Link	http://www.sii.co.jp

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27 / 44 page

STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

Rev.9.0_01

S-8520/8521 Series

27

(6) Overload detection time (tpro)-Input voltage (VIN)

6

10

14

18

22

26

30

2

4

6

8

10

12

14

16

(fosc = 60 kHz)

Ta =

−40°C

VIN [V]

Ta =

+25°C

Ta =

+85°C

2

3

4

5

6

7

8

2

4

6

8

10

12

14

16

VIN [V]

Ta =

−40°C

Ta =

+85°C

Ta =

+25°C

(fosc = 180 kHz)

1

2

3

4

2

4

6

8

10

12

14

16

VIN [V]

(fosc = 300 kHz)

Ta =

+85°C

Ta =

+25°C

Ta =

−40°C

(7) ON/OFF

______

pin input voltage “H” (VSH)-

Input voltage (VIN)

(8) ON/OFF

______

pin input voltage “L” (VSL)-

Input voltage (VIN)

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2

4

6

8

10

12

14

16

VIN [V]

Ta =

−40°C

Ta =

+25°C

Ta =

+85°C

0.3

0.5

0.7

0.9

1.1

1.3

1.5

1.7

2

4

6

8

10

12

14

16

VIN [V]

Ta =

−40°C

Ta =

+85°C

Ta =

+25°C

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S-8521E35MC-BLUT2x Datasheet(PDF) 27 Page - Seiko Instruments Inc

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