Rev. 11/21/00

SPX2955/56/57

ABSOLUTE MAXIMUM RATINGS

Power Dissipation..........................................Internally Limited

Operating Input Supply Voltage....................... 3.0V to +60V

Lead Temp. (Soldering, 5 Seconds) ................................ 260°C

Feedback Input Voltage ..................................-1.5V to +30V

Storage Temperature Range .............................. -65° to +150°C

Shutdown Input Voltage..................................-0.3V to +30V

Operating Junction Temperature Range (Note 9)

Error Comparator Output ................................-0.3V to +30V

SPX2955/56/57...................................... -40C° to +125°C

ESD Rating ............................................................ 2KV Min

operating temperature range.

PARAMETER

CONDITIONS

(Note 2)

Typ.

SPX2955/56/57A

Min

Max

SPX2955/56

Min

Max

UNITS

3.3V Version

Output Voltage

-

40

1mA

3.3

3.3

3.267

3.217

3.333

3.382

3.234

3.185

3.366

3.415

V

5V Version

Output Voltage

-

40

1mA

5.0

5.0

4.950

4.880

5.050

5.120

4.900

4.870

5.100

5.130

V

All Voltage Options

SPX2955/56/57A

SPX2955/56/57

Output Voltage

Temperature Coefficient

(Note 1)

20

100

150

ppm/°C

Line Regulation ( Note 3)

6V

0.03

0.1

0.40

0.20

0.80

%max

Load Regulation ( Note 3 )

0.04

0.20

0.30

0.30

0.50

%max

Dropout Voltage

( Note 5 )

60

220

250

375

100

150

250

300

300

420

400

500

100

150

250

300

350

420

500

600

mV

Ground Current

50

0.5

4

5

100

150

1

2

8

10

10

15

100

150

1

2

8

10

10

15

µA

mA

Current Limit

700

800

700

800

mA

Thermal Regulation

0.05

0.2

0.2

%/w

Output Noise,

10Hz to 100kHz

µF

µF

400

260

µV

Vrms