ZXSC300 datasheet(2/12 Pages) DIODES

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ABSOLUTE MAXIMUM RATING

ZXSC300

ISSUE 4 - SEPTEMBER 2007

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 150°C

ELECTRICAL CHARACTERISTICS: Test conditions unless otherwise stated: VCC=1.5V, TAMB=25°C

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Efficiency

(1)

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°C

(3)

0.8

0.9

0.92

Quiescent current

(2)

0.2

IVDRIVE

Base drive current

VDRIVE =0.7V, VISENSE =0V

1.5

3.6

ICC

Supply current

(3)

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.

0.4

%/°C

IISENSE

ISENSE input current

VISENSE =0V

-30

-65

µA

TDRV

Discharge pulse width

1.2

1.7

3.2

µs

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNITS

FOSC

Recommended operating frequency

(4)

200

kHz

1 Application dependent, see reference designs.

2 These parameters guaranteed by design and characterisation

3 Total supply current =IQ + IVDRIVE, see typical characteristics

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

OPERATING CONDITIONS

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