ABSOLUTE MAXIMUM RATINGS

-0.3V to +7V

-0.3V to +7V

-0.3V to +5.5V

150mA

Operating Temperature

-40°C to 85°C

Storage Temperature Range

-55°C to 125°C

Continuous Power Dissipation

Thermally ltd

ZXCP330

PROVISIONAL ISSUE A - DECEMBER 2001

2

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Input Voltage

V

IN

2.0

4.4

V

Output Voltage

Note 1

V

OUT

2V

V

IN

4.4V, I

OUT

20mA

2.5V

V

IN

4.4V, I

OUT

40mA

3.17

3.17

3.3

3.3

3.43

3.43

V

Maximum Output Current

I

O(max)

V

IN

2V

V

IN

2.5V

20

40

mA

Output Short-Circuit Current

I

SC

V

125

mA

Supply Current

I

Q

2V

V

IN

4.4V , No load

20

40

A

Efficiency

V

82

%

Switching Frequency

f

OSC

Oscillator free running

500

kHz

Line Regulation (Note 2)

V

LDR

V

T

-50

0

50

mV

Load Regulation (Note 2)

V

LDR

I

T

-50

0

50

mV

Output Voltage Ripple

V

R

f=500kHz, V

I

20

mV pk-pk

Enable pin Input Threshold

High

V

EN(ON)

Device active

1.5

5.5

V

Enable pin Input Threshold

Low

V

Device shutdown

0

0.3

V

Enable pin Input current

I

EN

T

100

nA

Shutdown supply Current

I

Q(SD)

E

V

IN

4.4V,

T

1

A

Shutdown time (Note 3)

T

SD

V

1.5V to 0.3V

20

s

V

T

ON

V

500

s

Thermal Shutdown

Temperature

T

SD

135

150

165

°C

ELECTRICAL CHARACTERISTICS

Note 1: Contact Zetex marketing for availability of alternative output voltages

Note 2: Output can deviate EITHER side of Vnominal for increased load current or line voltage