ST763AC(2007) 데이터 시트보기 (PDF) - STMicroelectronics

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ST763AC
(Rev.:2007)

3.3V Step down current mode PWM DC-DC converters

STMicroelectronics 

ST763A series

3

Maximum ratings

Maximum ratings

Table 2. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC

DC input voltage

-0.3 to 12

V

VLX

Switch pin voltage

-0.3 to (VCC + 0.3)

V

VSHDN Shutdown voltage (SHDN)

-0.3 to (VCC + 0.3)

V

VS,VC Soft start (SS) and compensation capacitor (CC) pins voltage -0.3 to (VCC + 0.3)

V

ILX

Switching peak current

2

A

IREF

Reference current

2.5

mA

PTOT

Continuous power dissipation at TA = 70°C

SO-8

344

mW

Tstg

Storage temperature range

-40 to +150

°C

Top

Operating junction temperature range

AC series

0 to +70

°C

Note:

Absolute Maximum Ratings are those values beyond which damage to the device may

occur. Functional operation under these condition is not implied

Table 3. Thermal data

Symbol

Parameter

RthJA

Thermal resistance junction-ambient (1)

1. This value depends from thermal design of PCB on which the device is mounted.

SO-8

160

Unit

°C/W

5/14

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