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IRF7821 Datasheet(PDF) 13 Page - Texas Instruments

Part # IRF7821
Description  Dual-Synchronous, Step-Down Controller with Out-of-Audio??Operation and 100-mA LDOs for Notebook System Power
PDF  33 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

IRF7821 Datasheet(HTML) 13 Page - Texas Instruments

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SWITCHINGFREQUENCY
vs
OUTPUTCURRENT
0
100
200
300
400
500
0.001
0.01
0.1
1
10
I
OUT -OutputCurrent- A
TONSEL =5V
CH2 Auto-skip
CH2OOA
CH2PWMOnly
CH1PWMOnly
CH1 Auto-skip
CH1OOA
OVP/UVP THRESHOLD VOLTAGE
vs
JUNCTION TEMPERATURE
40
50
60
70
80
90
100
110
120
130
140
150
-50
0
50
100
150
TJ
- Junction Temperature - °C
VREG5 OUTPUT VOLTAGE
vs
OUTPUT CURRENT
4.90
4.95
5.00
5.05
0
20
40
60
80
100
IVREG5 - VREG5 Output Current - m A
VREG3 OUTPUT VOLTAGE
vs
OUTPUT CURRENT
3.2
3.25
3.3
3.35
0
20
40
60
80
100
IVREG3 - VREG3 Output Current - m A
TPS51123
www.ti.com ........................................................................................................................................................................................... SLUS890 – DECEMBER 2008
TYPICAL CHARACTERISTICS (continued)
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Copyright © 2008, Texas Instruments Incorporated
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Product Folder Link(s): TPS51123



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