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參數(shù)資料
| 型號： | V62/05622-01XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | GREEN, PLASTIC, HTSSOP-28 |
| 文件頁數(shù)： | 24/24頁 |
| 文件大小： | 689K |
| 代理商： | V62/05622-01XE |
www.ti.com
APPLICATION INFORMATION
VIN
24
23
22
21
20
VIN
14
13
12
11
10
9
8
7
6
PH
5
BOOT
19
18
17
16
15
PGND
POWERPAD
AGND
VSENSE
COMP
PWRGD
SS/ENA
FSEL
RT
28
27
26
VBIAS
25
4
3
2
1
U1
TPS54610PWP
C8
10
F
C7
0.047
F
L1
4.7
H
C9
470
F
4 V
+
C10
470
F
4 V
+
C11
100 pF
VO
R5
1.74 k
C6
8200 pF
R4
10 k
R3
3.74 k
R1
9.09 k
C5
5600 pF
C3
120 pF
R2
10 k
PWRGD
C4
0.1
F
C1
0.047
F
C2
220
F
10 V
+
VI
COMPONENT SELECTION
INPUT FILTER
SGLS294A – FEBRUARY 2005 – REVISED AUGUST 2007
Figure 10 shows the schematic diagram for a typical TPS54610 application. The TPS54610 (U1) can provide
greater than 6 A of output current at a nominal output voltage of 3.3 V. For proper thermal performance, the
exposed thermal PowerPAD under the integrated circuit package must be soldered to the printed-circuit board.
Figure 10. Application Circuit
The values for the components used in this design example were selected using the SWIFT designer software
tool. SWIFT designer provides a complete design environment for developing dc-dc converters using the
TPS54610.
The input to the circuit is a nominal 5 VDC. The input filter C2 is a 220-
μF POSCAP capacitor, with a maximum
allowable ripple current of 3 A. C8 provides high-frequency decoupling of the TPS54610 from the input supply
and must be located as close as possible to the device. Ripple current is carried in both C2 and C8, and the
return path to PGND must avoid the current circulating in the output capacitors C9 and C10.
Copyright 2005–2007, Texas Instruments Incorporated
9
Product Folder Link(s): TPS54610-EP
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