S8355 datasheet(12/72 Pages) SII

12 / 72 page

STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

S-8355/56/57/58 Series

Rev.8.1_01



Absolute Maximum Ratings

Table 17

(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

EXT pin voltage

B, H, F, N type

VEXT

VSS

− 0.3 to VOUT + 0.3

Others

VSS

− 0.3 to VDD + 0.3

EXT pin current

IEXT

±80

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) 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

1200

800

Ambient temperature (Ta) [

°C]

SOT-89-3

400

1000

200

600

SOT-23-5

SOT-23-3

SOT-89-3

SOT-23-5

600

400

200

100

150

Ambient temperature (Ta) [

°C]

Figure 8 Power Dissipation of The Package

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