S8351 datasheet(10/51 Pages) SII

10 / 51 page

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER

S-8351/8352 Series

Rev.3.0_01



Absolute Maximum Ratings

Table 14

(Ta = 25

°C unless otherwise specified)

Item

Symbol

Absolute maximum rating

Unit

VOUT pin voltage

VOUT

VSS

− 0.3 to VSS + 12

OFF

pin voltage *1

OFF

VSS

− 0.3 to VSS + 12

VDD pin voltage *2

VDD

VSS

− 0.3 to VSS + 12

CONT pin voltage

VCONT

VSS

− 0.3 to VSS + 12

EXT pin voltage

D type

VEXT

VSS

− 0.3 to VDD + 0.3

Others

VSS

− 0.3 to VOUT + 0.3

CONT pin current

ICONT

300

EXT pin current

IEXT

±50

Power dissipation

SOT-23-3

150 (When not mounted on board)

430*3

SOT-23-5

250 (When not mounted on board)

600*3

SOT-89-3

500 (When not mounted on board)

1000*3

Operating ambient temperature

Topr

− 40 to + 85

°C

Storage temperature

Tstg

− 40 to + 125

°C

*1.

With shutdown function

*2.

For VDD / VOUT separate type

*3.

When mounted on board

[Mounted board]

(1) Board size :

114.3 mm

× 76.2 mm × t1.6 mm

(2) Board name :

JEDEC STANDARD51-7

Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical

damage. These values must therefore not be exceeded under any conditions.

(1) When mounted on board

(2) When not mounted on board

100

150

800

400

Ambient temperature (Ta) [

°C]

1000

600

200

1200

SOT-23-3

SOT-23-5

SOT-89-3

100

150

400

200

Ambient temperature (Ta) [

°C]

500

300

100

600

SOT-23-3

SOT-23-5

SOT-89-3

Figure 10 Power Dissipation of Packages

S8351 Datasheet(PDF) 10 Page - Seiko Instruments Inc

S8351 Datasheet(HTML) 10 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

Datasheet Download

Link URL