参数资料
型号: TPS62122DRV
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PDSO6
封装: 2 X 2 MM, GREEN, PLASTIC, SON-6
文件页数: 17/33页
文件大小: 5549K
代理商: TPS62122DRV
L
C
IN
C
OUT
R
2
R
1
C
FF
R
PG
GND
V
OUT
GND
V
IN
PG
V
OUT
EN
SGND
10.5 mm
7
.9
mm
L
C
IN
C
OUT
R
2
R
1
C
FF
EN
FB
GND
V
OUT
GND
V
IN
11.1mm
8.1mm
SLVSAD5 – JULY 2010
www.ti.com
Use a common Power GND node and a different node for the signal GND to minimize the effects of ground
noise. Keep the common path to the GND PIN, which returns the small signal components and the high current
of the output capacitors as short as possible to avoid ground noise. The FB divider network and the VOUT line
must be connected to the output capacitor. The VOUT pin of the converter should be connected via a short trace
to the output capacitor. The FB line must be routed away from noisy components and traces (e.g., SW line).
Figure 39. PCB Layout - DCN Package
Figure 40. PCB Layout - DRV Package
24
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS62120 TPS62122
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