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ST735

-5V INVERTING, NEGATIVE OUTPUT CURRENT-MODE PWM REGULATOR

STMicroelectronics 

ST735

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VIN

DC Input Voltage (VIN to GND)

-0.3 to +7

V

SHDN Shutdown Voltage (SHDN to GND)

-0.3 to V++0.3

V

VLX Switch Voltage (Lx to VIN)

-12.5 to +0.3

V

VFB Feedback Voltage (VOUT to GND)

-11 to +0.3

V

VOUT Output Voltage (VOUT to GND)

-11 to +0.3

V

Other Input Voltage (SS, CC to GND)

-0.3 to V++0.3

V

ILX

Peack Switch Current

2

A

Ptot

Power Dissipation at Tj = 70°C

DIP-8

SO-8

725

mW

470

Tstg

Storage Temperature Range

-55 to +150

°C

Top

Operating Junction Temperature Range

-40 to +125

°C

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is

not implied.

THERMAL DATA

Symbol

Parameter

Rthj-case Thermal Resistance Junction-case

DIP-8

2

SO-8

8

Unit

°C/W

CONNECTION DIAGRAM (top view)

PIN DESCRIPTION

Pin N°

1

2

3

4

5

6

7

8

Symbol

SHDN

VREF

SS

CC

VOUT

GND

LX

VIN

Name and Function

SHUT-DOWN Control (VCC=ON GND=Shutdown

Reference Output Voltage

Soft Start

Compensation Input

Negative Output Voltage

Ground

Switch Output

Positive Supply - Voltage Input

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