TPS51362_17 Datasheet, PDF (20/29 Pages) Texas Instruments – 22-V Input, 10-A Integrated FET Converter With Ultra-Low Quiescent ( ULQ)

TPS51362
SLUSBB6A – FEBRUARY 2013 – REVISED JUNE 2013
REFERENCE DESIGNS
This section describes one typical application circuit using the TPS51362.
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Design 1
This design is a VCCIO application with an output voltage of 1.05 V, maximum processor current (I_CC(max)) of 6 A,
an OCL of 8 A and a switching frequency of 800 kHz.
VSNS
GSNS
2.2 mF
10 nF
23 22 21
GSNS VSNS SLEW
24 REFIN2
20 19 18
TRIP GND V5
0.1 mF
17 16 15
VIN VIN VIN
PGND 14
V5
5V
2 x 10 mF
V_IN
7.4 V
to
20 V
25 REFIN
PGND 13
26 VREF
0.1 mF
27 NU
TPS51362
PGND 12
PGND 11
EN
PGOOD
LP#
28 EN
PGOOD LP# MODE NC BST SW
1
2345
6
0.1 mF
PGND 10
SW SW SW
789
0.68 mH
Figure 23. Design 1: Application Schematic
8 x 22 mF
V_OUT
1.05 V
UDG-13058
REFERENCE
DESIGNATOR
C_IN
C_OUT
L_OUT
Table 4. Design 1: List of Materials
QTY
2
8
1
SPECIFICATION
10 µF, 25 V
22 µF, 6.3 V
0.68 µH, 4.8 mΩ
MANUFACTURER
Taiyo Yuden
Murata
Cyntec
PART NUMBER
TMK325BJ106MM
GRM21BB30J226ME38
PIMB063T-R68MS-63
20
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