S8540 datasheet(23/36 Pages) SII

Part #	S8540

Description	STEP-DOWN, 600 kHz 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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STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

Rev.4.0_01

S-8540/8541 Series

23

(9) tSS

− VIN

8

9

10

11

12

13

14

15

16

2.5

4.0

5.5

7.0

8.5

10.0

VIN (V)

25°C

85°C

Ta

=−40°C

(10) VOUT

− VIN 1.8 V PWM/PFM 600 kHz

(11) VOUT

− VIN 3.3 V PWM/PFM 600 kHz

1.75

1.77

1.79

1.81

1.83

1.85

2.5

4

5.5

7

8.5

10

VIN (V)

100 mA

400 mA

IOUT=0.1 mA

3.20

3.25

3.30

3.35

3.40

2.5

4.0

5.5

7.0

8.5

10.0

VIN (V)

IOUT=0.1 mA

100 mA

400 mA

(12) VOUT

− VIN 3.3 V PWM 600 kHz

(13) VOUT

− VIN 3.3 V PWM/PFM 300 kHz

3.20

3.25

3.30

3.35

3.40

2.5

4.0

5.5

7.0

8.5

10.0

VIN (V)

IOUT=0.1 mA

100 mA

400 mA

3.20

3.25

3.30

3.35

3.40

2.5

4.0

5.5

7.0

8.5

10.0

VIN (V)

IOUT

=0.1 mA

100 mA

400 mA

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Manufacturer	Part #	Datasheet	Description
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S8540 Datasheet(PDF) 23 Page - Seiko Instruments Inc

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