Datasheet

20
0
30
10
80
60
100
70
50
40
0
2 6
10
I
LOAD
– Load Current – A
4
8
90
h – Efficiency – %
V
IN
= 3.3 V
V
IN
= 5 V
V
IN
= 12 V
0
2 4 6 8 10
I
LOAD
– Load Current – A
V
OUT
– Output Voltage – V
593
594
595
596
597
598
599
600
601
V
IN
= 12 V
V
IN
= 5 V
V
IN
= 3.3 V
TPS40303, TPS40304, TPS40305
www.ti.com SLUS964A –NOVEMBER 2009–REVISED AUGUST 2012
EFFICIENCY LINE
vs AND LOAD
LOAD CURRENT REGULATION
Figure 27. Figure 28.
ADDITIONAL REFERENCES
Related Devices
The devices listed in have characteristics similar to the TPS4030x and may be of interest.
Table 5. Related Devices
DEVICE DESCRIPTION
TPS40192/3 4.5 V to 18 V Input 10-pin Synchronous Buck Controller with Power Good
TPS40195 4.5 V to 20 V Synchronous Buck Controller with Synchronization and Power Good
TPS40190 Low Pin Count Synchronous Buck Controller
References
These references, design tools and links to additional references, including design software, may be found at
http://power.ti.com
1. Additional PowerPAD™ information may be found in Applications Briefs (SLMA002A) and (SLMA004).
2. Under The Hood Of Low Voltage DC/DC Converters – SEM1500 Topic 5 – 2002 Seminar Series
3. Understanding Buck Power Stages in Switchmode Power Supplies, (SLVA057), March 1999
4. Designing Stable Control Loops – SEM 1400 – 2001 Seminar Series
Package Outline and Recommended PCB Footprint
The following pages outline the mechanical dimensions of the 10-pin DRC package and provide
recommendations for PCB layout.
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Product Folder Links :TPS40303 TPS40304 TPS40305