ZXSC300E5 datasheet(2/12 Pages) ZETEX

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ISSUE 1 - JUNE 2001

ZXSC300

ABSOLUTE MAXIMUM RATING

Supply Voltage

-0.3 to 10V

Maximum Voltage Other Pins

-0.3 to VCC+0.3V

Power Dissipation

450mW

Operating Temperature

-40 to 85°C

Storage Temperature

-55 to 125°C

ELECTRICAL CHARACTERISTICS:

Test conditions unless otherwise stated: V

CC=1.5V, TAMB=25°C

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Efficiency

VCC

Recommended

supply voltage

range

0.8

VCC(min)

Minimum startup

and operating

voltage

IDRIVE=-600µA, VDRIVE=0.7V

IDRIVE=-600µA, VDRIVE=0.7V,

TAMB=-10°C3

0.8

0.9

0.92

Quiescent current

0.2

IVDRIVE

Base drive current

VDRIVE = 0.7V, VISENSE = 0V

1.5

3.6

ICC

Supply current

VDRIVE = 0.7V, VISENSE =0V

VVDRIVE(high)

High level drive

voltage

VISENSE = 0V, IVDRIVE =-0.5mA

VCC-0.3

VCC

VVDRIVE(low)

Low level drive

voltage

VISENSE = 50mV, IVDRIVE = 5mA

0.2

VISENSE

(threshold)

Output current

reference voltage

TCVISENSE

ISENSE

voltage temp co.2

0.4

%/°C

IISENSE

ISENSE input current

VISENSE = 0V

-30

-65

µA

ELECTRICAL CHARACTERISTICS: AC PARAMETERS

TEST CONDITIONS (Unless otherwise stated) )

VCC=1.5V, TAMB = 0 to 70°C

Symbol

Parameter

Conditions

Min

Typ

Max

Units

TDRV

Discharge Pulse Width

1.2

1.7

3.2

µs

FOSC

Recommended operating

frequency

200

kHz

1 Application dependent, see reference designs.

2 These parameters guaranteed by Design

3 Total supply current =I

Q + IVDRIVE, see typical characteristics

4 Operating frequency is application circuit dependent. See applications section.

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