SC1406GCTSTR View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC1406GCTSTR

Power Supply Controller for Portable Pentium II & III SpeedStep Processors

Semtech Corporation 

Prev 21 22 23 24 25 26 27 28

POWER MANAGEMENT

Load Regulation & Efficiency

89.50%

89.00%

88.50%

88.00%

87.50%

87.00%

86.50%

1.100

1.300

1.500

Vout, V

Figure 20 - VIN = 12V, VO = 1.6V

SC1406G

Efficiency vs. Vout

Line Regulation & Efficiency

1 .600

Vout = 1 . 60V

Vout = 1 . 35V

1 .550

1 .500

1 .450

1 .400

1 .350

1.700

1.900

1 .300

5. 000

7. 000

9.000 1 1 .000 1 3. 000 1 5. 000 1 7.000 1 9.000 21 . 000 23.000

V i n, V

Figure 21 - VOUT = 1.6V, IOUT = 8.0A

Efficiency vs Output Voltage

89. 50%

89. 00%

88. 50%

88. 00%

87. 50%

87. 00%

86. 50%

1 .1 00

1 . 300

1 . 500

V out , V

Figure 22 - VIN = 12V, IOUT = 8.0A

Efficiency vs Input Voltage

E f f i ci ency vs . Vout

1 . 700

1 .900

90. 00%

Vout=1 . 35V

Vout=1 . 6V

89. 00%

88. 00%

87. 00%

86. 00%

85. 00%

84. 00%

4. 000

6. 000

8. 000

1 0.000

1 2.000 1 4.000

V i n, V

1 6.000

1 8.000

20. 000

22. 000

Figure 23 - VOUT = 1.3V, IOUT = 8.0A

ã 2000 Semtech Corp.

25

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