ZXSC310(2001) 查看數據表（PDF） - Zetex => Diodes

零件编号

产品描述 (功能)

生产厂家

ZXSC310
(Rev.:2001)

LED DRIVER SOLUTION FOR LCD BACKLIGHTING

Zetex => Diodes 

ZXSC310

ABSOLUTE MAXIMUM RATINGS:

Supply Voltage

Maximum Voltage other pins

Power Dissipation

Operating Temperature

Storage Temperature

-0.3 to 10V

-0.3 to VCC+0.3V

450mW

-40 to 85 °C

-55 to 125°C

ELECTRICAL CHARACTERISTICS:

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

Symbol

␩

Parameter

Efficiency1

Conditions

VCC

Recommended supply

voltage range

VCC(min)

IQ

IVDRIVE

ICC

Minimum startup and

operating voltage

Quiescent current2

Base drive current

Supply current3

IDRIVE=-600µA, VDRIVE=0.7V

IDRIVE=-600µA, VDRIVE=0.7V,

TAMB=-10°C3

VEN = VCC (enabled)

VEN = 0V (standby)

VDRIVE = 0.7V, VISENSE = 0V

VDRIVE = 0.7V, VISENSE = 0V

Min Typ

0.8

Max

94

8

Units

%

V

0.8 0.92

V

0.9

0.2

mA

4

5

µA

1.5

3.5

mA

2

4

mA

VVDRIVE(high) High level drive voltage

VVDRIVE(low)

VEN(high)

VEN(low)

IEN

VISENSE

(threshold)

TCVISENSE

IISENSE

Low level drive voltage

Device enabled

Device in standby mode

Enable input current

Output current reference

voltage

ISENSE voltage temp co.2

ISENSE input current

VISENSE = 0V, IVDRIVE =-0.5mA

VISENSE = 50mV, IVDRIVE = 5mA

VCC

-0.3

0

0.7

VCC

V

0.2

V

V

0.15

V

-1

1

µA

14 19

24

mV

VISENSE = 0V

0.4

%/°C

0 -30 -65

µA

ELECTRICAL CHARACTERISTICS: AC PARAMETERS2

Test conditions unless otherwise stated: VCC=1.5V, TAMB=0 to 70 C

Symbol

TDRV

FOSC

Parameter

Discharge Pulse Width

Recommended operating

frequency4

Conditions

Min Typ

1.2 1.7

Max

3.2

200

Units

µs

kHz

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.

PROVISIONAL ISSUE A - SEPTEMBER 2001

2

Share Link: