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TPS51116 Datasheet(PDF) 25 Page - Texas Instruments

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Part # TPS51116
Description  COMPLETE DDR AND DDR2 MEMORY POWER SOLUTION SYNCHRONOUS BUCK CONTROLLER, 3-A LDO, BUFFERED REFERENCE
PDF  29 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS51116 Datasheet(HTML) 25 Page - Texas Instruments

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0.001
60
50
0.01
0.1
1
10
80
70
100
90
VVDDQ = 1.8 V
VIN = 8 V
VIN = 20 V
VIN = 12 V
IVDDQ − VDDQ Current − A
0.001
60
50
0.01
0.1
1
10
80
70
100
90
IVDDQ − VDDQ Current − A
VVDDQ = 2.5 V
VIN = 8 V
VIN = 20 V
VIN = 12 V
t − Time − 2
µs/div
VVDDQ (50 mV/div)
IVDDQ (2 A/div)
VVTTREF (10 mV/div)
VVTT (10 mV/div)
t − Time − 20
µs/div
VVDDQ (50 mV/div)
IVDDQ (5 A/div)
IIND (5 A/div)
TPS51116
SLUS609A – MAY 2004 – REVISED JUNE 2004
TYPICAL CHARACTERISTICS (continued)
VDDQ EFFICIENCY (DDR)
VDDQ EFFICIENCY (DDR2)
vs
vs
VDDQ CURRENT
VDDQ CURRENT
Figure 22.
Figure 23.
Figure 24. Ripple Waveforms - Heavy Load Condition
Figure 25. VDDQ Load Transient Response
25



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