S8365 datasheet(33/63 Pages) SII

Part #	S8365

Description	STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

PDF	63 Pages

Scroll/Zoom	100%

Manufacturer	SII [Seiko Instruments Inc]

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

Logo

33 / 63 page

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

Rev.2.1_01

S-8365/8366 Series



Characteristics (Typical Data)

1. Examples of Major Power Supply Dependence Characteristics (Ta = 25

°C)

(1) Current consumption during operation (ISS1) vs.

Input voltage (VIN)

(2) Current consumption during shutdown (ISSS) vs.

Input voltage (VIN)

700

600

500

400

300

200

100

1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

1.2 MHz

600 kHz

VIN [V]

1.0

0.0

0.8

0.6

0.4

0.2

VIN [V]

1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

(3) Oscillation frequency (fosc) vs. Input voltage (VIN)

fOSC = 1.2 MHz

fOSC = 600 kHz

1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

1.4

1.0

1.3

1.2

1.1

VIN [V]

1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

500

650

600

550

700

VIN [V]

(4) Maximum duty ratio (MaxDuty) vs. Input voltage (VIN)

(5) Soft-start time (tSS) vs. Input voltage (VIN)

1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

100

1.2 MHz

600 kHz

VIN [V]

1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

VIN [V]

(6) PWM / PFM switching duty ratio (PFMDuty) vs. Input voltage (VIN)

1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

VIN [V]

S8365 Datasheet(PDF) 33 Page - Seiko Instruments Inc

S8365 Datasheet(HTML) 33 Page - Seiko Instruments Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63

Datasheet Download

Link URL