SPX8863 datasheet(2/9 Pages) SIPEX

2 / 9 page

Rev. 10/24/00

SPX8863

ABSOLUTE MAXIMUM RATINGS

RECOMMENDED OPERATING CONDITIONS

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

Input Voltage.................................................. +2.5V to+16V

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

°C

Operating Junction Temperature Range ..... -40

°C to +125°C

Operating Junction Temperature Range ..... -40

°C to +125°C

Enable Input Voltage............................................. 0V to VIN

Input Supply Voltage........................................-20V to +20V

SOT-23-5 (

θJA) ..................................................... See Note 1

Enable Input Voltage........................................-20V to +20V

ELECTRICAL CHARACTERISTICS

TJ = 25

°C, VIN = VOUT + 1V, IL = 100µA, CL = 1.0µF, and VENABLE > 2.4V. Unless otherwise specified boldface applies over the

junction temperature range

Parameter

Test Conditions

Typ

Min

Max

Units

Output Voltage Tolerance (VOUT)

IL = 100

µA

IL = 500

µA

-1

-2

%VNOM

Output Voltage Temperature Coef

ppm/

°C

Line Regulation

VIN = VOUT + 1V to 16V

0.03

0.1

0.2

%/V

Load Regulation

IL = 0.1mA to 120mA

0.1

0.2

0.5

IL = 100

µA

Dropout Voltage (See Note 2)

(VIN- VO)

IL = 50mA

140

190

IL = 120mA

190

260

Quiescent Current (IGND)

VENABLE < 0.6V

VENABLE < 0.25V

< 1

IL = 100

µA

125

Ground Pin Current

(IGND)

IL = 50 mA

350

600

IL = 120mA

950

1600

Ripple Rejection (PSRR)

Current Limit (ILIMIT)

VOUT = 0V

360

320

Output Noise (eNO)

IL = 50mA, CL = 1.0

µF

(10Hz – 100KHz)

390

µVRMS

Input Voltage Level

Logic Low (VIL)

OFF

0.6

Input Voltage Level

Logic High (VIH)

2.0

ENABLE Input Current

VIL < 0.6V

VIH > 2.0V

0.01

µA

Note 1: The maximum allowable power dissipation is a function of maximum operating junction temperature, TJ (max), the junction to ambient thermal resistance, and

the ambient,

θJA, and the ambient temperature TA. The maximum allowable power dissipation at any ambient temperature is given:

PD (max) = (TJ(max) - TA)

θJA. Exceeding the maximum allowable power limit will result in excessive die temperature; thus, the regulator will go into thermal shutdown.

The

θJA of the SPX8863 is 220oC/W mounted on a PC board.

Note 2: Not apply to 1.8V version.

µA

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