ST755 查看數據表（PDF） - STMicroelectronics

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ST755

ADJUSTABLE INVERTING NEGATIVE OUTPUT CURRENT MODE PWM REGULATORS

STMicroelectronics 

ST755

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Vc c DC Input Voltage to GND

SHDN Shutdown Voltage

Other Input Voltage

ILX Peak Switch Current

Ptot Power Dissipation (at 70oC) (for DIP-8)

(for SO-8)

To p Operating Ambient Temperature Range

Tstg Storage Temperature Range

Absolute Maximum Rating are those values beyond which damage to the device may occur.

Functional operation under these condition is not implied.

CONNECTION DIAGRAM AND (top view)

Value

Unit

-0.3 to 12

V

-0.3 t o VCC+0.3

V

-0.3 t o VCC+0.3

V

2

A

725

mW

470

-40 to 85

oC

-55 to 150

oC

PIN CONNECTIONS

Pin No

Symbol

1

SHDN

2

Vref

3

SS

4

CC

5

Vout

6

GND

7

LX

8

VCC

Name and Function

SHUT-DOWN Control (VCC = On, GND=Shutdown)

Reference Output Voltage (1.25V)

Soft Start

Compensation Input

Negative Output Voltage

Ground

Switch Output

Positive Supply-Voltage Input

ORDERING NUMBERS

Type

ST755

DIP-8

ST755CN

SO-8 (Tube)

ST755CD

SO-8 (T&R)

ST755CD-TR

2/9

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