SPX1117HM3 datasheet(4/16 Pages) SIPEX

4 / 16 page

Apr 20-07 Rev B

SPX1117 800mA Low Dropout Voltage Regulator

TYPICAL PERFORMANCE CHARACTERISTICS

Figure 1. Load Regulation for SPX1117M3-3.3;

Figure 2. Line Regulation for SPX1117M3-3.3;

VIN=4.8V

IOUT=10mA

Figure 3. Dropout Voltage vs Output Current for

SPX1117M3-3.3; V

IN=4.8V, COUT=2.2µF

Figure 5. Current Limit for SPX1117M3-3.3, Output

Voltage Deviation with IOUT=10mA to 1A Step

3.280

3.285

3.290

3.295

3.300

3.305

3.310

3.315

3.320

100

1000

Output Current (mA)

3.300

3.305

3.310

3.315

3.320

3.325

4.5

6.5

8.5

10.5

12.5

14.5

Vin (V)

0.9

1.0

1.1

1.2

1.3

100

200

300

400

500

600

700

800

900

1000

Io (mA)

1.225

1.23

1.235

1.24

1.245

1.25

1.255

1.26

1.265

1.27

1.275

-50

-30

-10

110

130

Temp (C)

1.25v Adj

125°C

22µF

Indicating Current

Limit Starts

= 4.0V

=3.3V Fixed

=10mA

=1µF Tan Cap

OUT

=2.2µF Tan Cap

100

-100

1.5

1.0

0.5

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Time (ms)

0.00

0.50

1.00

1.50

2.00

-50

-25

100

125

Temp (

oC)

Figure 6. VOUT vs Temperature, VIN=2.5V, IOUT=10mA

Figure 4. Current Limit for SP1117M3-3.3; VIN=4.8V,

CIN=COUT=1

µF, IOUT pulsed from 10mA to Current

Limit

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