Rev. 10/23/00

SPX2840

ABSOLUTE MAXIMUM RATINGS

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

Input Supply Voltage .................................................... +10V

Lead Temp. (Soldering, 10 Seconds) .............................. 300°C

Input to Output Voltage Differential ............................. +10V

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

Operating Junction Temperature Range

SPX2840 Control Section..........................0C° to +125°C

SPX2840 Power Transistor........................0C° to +150°C

°C, unless otherwise specified.

Parameter

Conditions

SPX2840

Min

Typ

Max

Units

Reference Voltage

10 mA

1.5V

1.238

1.225

1.250

1.250

1.262

1.270

V

V

Min. Load Current

5

10

mA

Line Regulation

1.5V

15V

0.015

0.035

0.05

0.2

0.2

0.5

%

%

%

Load Regulation

10 mA

0.1

0.2

0.3

0.4

%

%

Dropout Voltage

1.1

1.3

V

Current Limit

5.5

0.3

6.5

0.6

A

A

Long Term Stability

°C, 1000 Hrs.

0.3

1

%

Adjust Pin Current

°C

55

120

µA

µA

Adjust Pin Current Change

0.2

5

µA

Thermal Regulation

30 ms pulse

0.003

0.015

%/W

Temperature Stability

0.5

%

Ripple Rejection Ratio

60

75

dB

Output Noise, RMS

10Hz to 10kHz

0.003

The Bold specifications apply to the full operating temperature range.

Note 1: Changes in output voltage due to heating effects are covered under the specification for thermal regulation.

Note 2: A 10

µF output capacitor is required on SPX2840.