参数资料
型号: TPS40222DRPTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3.5 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO6
封装: 3 X 3 MM, GREEN, PLASTIC, VSON-6
文件页数: 9/27页
文件大小: 662K
代理商: TPS40222DRPTG4
www.ti.com
Application Circuit Schematic
TP3
TP1
C2
33 nF
D1
R5
TP4
R4
J2
1
2 GND
J1
1
2
GND
TP2
1
2
R3
C4
3
5
4
AVIN PVIN
FB
GND
SW
6
BOOST
TPS40222
1
UDG05099
+VOUT
1.2 V
C1A
22
F
C1B
22
F
C1C
0.1
F
L1
3.3
H
C3A
22
F
C3B
22
F
R1
5.6 k
R2
10 k
+VIN
4.5 V to 5.5 V
C5
1
F
2
SLUS642A – OCTOBER 2005 – REVISED JANUARY 2006
Figure 15 shows an example of an application incorporating a TPS40222 in a 1.2-V output DC-to-DC converter.
Notice the use of parallel capacitors at the input and the output to reduce the effective ESR of the capacitance.
Figure 15. 5-VIN, 1.2 VOUT DC-to-DC Converter
17
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