ZXSC300(2001) データシートの表示（PDF） - Zetex => Diodes

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ZXSC300
(Rev.:2001)

SINGLE OR MULTI CELL LED DRIVER SOLUTION

Zetex => Diodes 

ZXSC300

ABSOLUTE MAXIMUM RATING

Supply Voltage

Maximum Voltage Other Pins

Power Dissipation

-0.3 to 10V

-0.3 to VCC+0.3V

450mW

Operating Temperature

Storage Temperature

ELECTRICAL CHARACTERISTICS:

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

-40 to 85°C

-55 to 125°C

Symbol

η

VCC

VCC(min)

IQ

IVDRIVE

ICC

VVDRIVE(high)

VVDRIVE(low)

VISENSE

(threshold)

TCVISENSE

IISENSE

Parameter

Efficiency1

Recommended

supply voltage

range

Minimum startup

and operating

voltage

Quiescent current2

Base drive current

Supply current3

High level drive

voltage

Low level drive

voltage

Output current

reference voltage

ISENSE

voltage

temp

co.2

ISENSE input current

Conditions

IDRIVE=-600µA, VDRIVE=0.7V

ITDARMIVBE==-1-600°0Cµ3A, VDRIVE=0.7V,

VDRIVE = 0.7V, VISENSE = 0V

VDRIVE = 0.7V, VISENSE = 0V

VISENSE = 0V, IVDRIVE =-0.5mA

VISENSE = 50mV, IVDRIVE = 5mA

VISENSE = 0V

Min Typ

0.8

0.8

0.9

0.2

1.5

2

VCC-0.3

0

14

19

0.4

0

-30

Max

94

8

Units

%

V

0.92 V

mA

3.6 mA

4

mA

VCC V

0.2 V

24

mV

%/°C

-65 µA

ELECTRICAL CHARACTERISTICS: AC PARAMETERS2

TEST CONDITIONS (Unless otherwise stated) )

VCC=1.5V, TAMB = 0 to 70°C

Symbol

Parameter

Conditions

Min

Typ

TDRV

Discharge Pulse Width

1.2

1.7

FOSC

Recommended operating

frequency4

1 Application dependent, see reference designs.

2 These parameters guaranteed by Design

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

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

Max

3.2

200

Units

µs

kHz

ISSUE 1 - JUNE 2001

2

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