S8340 datasheet(6/55 Pages) SII

6 / 55 page

STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

S-8340/8341 Series

Rev.4.0_01



Absolute Maximum Ratings

Table 4

(Ta = 25

°C unless otherwise specified)

Parameter

Symbol

Absolute Maximum Rating

Unit

VDD pin voltage

VDD

VSS

− 0.3 to VSS + 12

VOUT pin voltage

VOUT

VSS

− 0.3 to VSS + 12

FB pin voltage

VFB

VSS

− 0.3 to VSS + 12

CVREF pin voltage

VCVREF

VSS

− 0.3 to VDD + 0.3

CSS pin voltage

VCSS

VSS

− 0.3 to VDD + 0.3

ON/OFF pin voltage

VON/OFF

VSS

− 0.3 to VSS + 12

SENSE pin voltage

VSENSE

VSS

− 0.3 to VSS + 12

EXT pin voltage

VEXT

VSS

− 0.3 to VDD + 0.3

EXT pin current

IEXT

±100

Power dissipation

300 (When not mounted on board)

700*1

Operating ambient temperature

Tdpr

−40 to +85

°C

Storage temperature

Tstg

−40 to +125

°C

*1. 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

600

400

200

Ambient temperature Ta (

°C)

500

300

100

700

800

100

150

300

200

100

Ambient temperature Ta (

°C)

400

Figure 4 Power Dissipation of Packages

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