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TPS40322 Datasheet(PDF) 27 Page - Texas Instruments

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Part # TPS40322
Description  Dual Output or Two-Phase Synchronous Buck Controller
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS40322 Datasheet(HTML) 27 Page - Texas Instruments

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Output Current (A)
VIN = 8 V
VIN = 12 V
VIN = 15 V
VOUT = 1.2 V
G001
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Output Current (A)
VIN = 8 V
VIN = 12 V
VIN = 15 V
VOUT = 1.8 V
G001
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1000000
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−135.0
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Gain
Phase
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Frequency (Hz)
Gain
Phase
TPS40322
www.ti.com
SLUSAF8
– JUNE 2011
Typical Performance Characteristics
Figure 24. Efficiency vs Load Current (8 V to 15 V
Figure 25. Efficiency vs Load Current (8 V to 15 V
to 1.2 V at 10 A, Design Example 1)
to 1.8 V at 10 A, Design Example 1)
Figure 26. Design Example 1 Loop Response
Figure 27. Design Example 1 Loop Response
VIN = 12 V, VOUT1 = 1.2 V, IOUT1 = 10 A, 80-kHz
VIN = 12 V, VOUT2 = 1.8 V, IOUT2 = 10 A, 80-kHz
Bandwidth, 50
° Phase Margin
Bandwidth, 50
° Phase Margin
Copyright
© 2011, Texas Instruments Incorporated
27


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