ABSOLUTE MAXIMUM RATINGS:

Supply Voltage

-0.3 to 10V

Maximum Voltage other pins

Power Dissipation

450mW

Operating Temperature

-40 to 85 °C

Storage Temperature

-55 to 125°C

ZXSC310

PROVISIONAL ISSUE A - SEPTEMBER 2001

2

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Efficiency

1

94

%

V

CC

Recommended supply

voltage range

0.8

8

V

V

CC(min)

Minimum startup and

operating voltage

I

I

T

0.8

0.9

0.92

V

I

Q

Quiescent current

2

V

V

0.2

45

mA

µA

I

VDRIVE

Base drive current

V

1.5

3.5

mA

I

CC

Supply current

3

V

2

4

mA

V

VDRIVE(high)

High level drive voltage

V

V

CC

-0.3

V

CC

V

V

VDRIVE(low)

Low level drive voltage

V

0

0.2

V

V

EN(high)

Device enabled

0.7

V

V

EN(low)

Device in standby mode

0.15

V

I

EN

Enable input current

-1

1

µA

V

ISENSE

(threshold)

Output current reference

voltage

14

19

24

mV

T

CVISENSE

I

2

0.4

%/°C

I

ISENSE

I

V

0

-30

-65

µA

ELECTRICAL CHARACTERISTICS:

Symbol

Parameter

Conditions

Min

Typ

Max

Units

T

DRV

Discharge Pulse Width

1.2

1.7

3.2

µs

F

OSC

Recommended operating

frequency

4

200

kHz

ELECTRICAL CHARACTERISTICS: AC PARAMETERS

2

1 Application dependent, see reference designs

2 These parameters guaranteed by Design

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