SS6638G datasheet(11/19 Pages) SSC

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TYPICAL PERFORMANCE CHARACTERISTICS (Continued)

Fig. 38

SS6638-45G Load Regulation (L=100

µH)

Output Current (mA)

100

150

200

250

300

350

400

2.2

2.4

2.6

2.8

3.0

3.2

3.4

3.6

3.8

4.0

4.2

4.4

4.6

VIN=3.0V

VIN=1.5V

VIN=2.0V

VIN=1.2V

VIN=0.9V

Fig. 39

SS6638-45G Start-up & Hold-On Voltage (L=100

µH)

Output Current (mA)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Hold on

Start up

Fig. 40

SS6638-45G Output Voltage vs. Temperature

Temperature (

°C)

-40

-20

100

4.0

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5.0

No Load

Fig. 41

SS6638-45G Supply Current vs. Temperature

Temperature (

°C)

-40

-20

100

Fig. 42

SS6638-45G Switching Frequency vs. Temperature

Temperature (

°C)

-40

100

120

140

160

Fig. 43

SS6638-45G Maximum Duty Cycle vs. Temperature

Temperature (

°C)

-40

-20

100

SS6638G

8/21/2005 Rev.2.3

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