Datasheet

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6
VIN
24
23
22
21
20
VIN
VIN
VIN
VIN
14
13
12
11
10
9
8
7
PH
PH
PH
PH
PH
PH
PH
PH
PH
5
BOOT
19
18
17
16
15
PGND
PGND
PGND
PGND
PGND
POWERPAD
AGND
VSENSE
COMP
PWRGD
SS/ENA
SYNC
RT
28
27
26
VBIAS
25
4
3
2
1
U1
TPS54610PWP
C7
0.047 µF
L1
0.56 µH
C8
150 µF
+
C9
150 µF
+
C10
1 pF
V
O
R2
10 kΩ
C5
470 pF
R3
39 Ω
R5
1.47 kΩ
V
I
C1
10 µF
C2
10 µF
R4
2.4 Ω
C11
3300 pF
C3
0.047 µF
C4
1 µF
C6
470 pF
R6
1.5 kΩ
C12
0.012 µF
R1
71.5 kΩ
10 µs/div
50 mV/div
2 A/div
TPS54610
SLVS398F – JUNE 2001 – REVISED APRIL 2007
Figure 22 shows the schematic diagram for a well to the printed-circuit board. Application
reduced size, high frequency application using the information is available in TI literature number
TPS54610. The TPS54610 (U1) can provide up to 6 SLVA107, Designing for Small-Size, High-Frequency
A of output current at a nominal outputvoltage of 1.8 Applications With Swift™ Family of Synchronous
V. A small size 0.56 uH inductor is used and the Buck Regulators.
switching frequency is set to 680 kHz by R1. The
compensation network is optimized for fast transient
response as shown in Figure 22 . For good thermal
performance, the PowerPAD underneath the
integrated circuit TPS54610 needs to be soldered
Figure 22. Small Size, High Frequency Design
Figure 23. TRANSIENT RESPONSE, 1.5-A to 4.5-A STEP
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