参数资料
型号: TPS62000
厂商: Texas Instruments, Inc.
英文描述: "Adjustable
中文描述: 可调节 600mA 95% 高效降压转换器
文件页数: 10/26页
文件大小: 460K
代理商: TPS62000
TPS62000, TPS62001, TPS62002, TPS62003
TPS62004, TPS62005, TPS62006, TPS62007, TPS62008
HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER
SLVS294D SEPTEMBER 2000 REVISED MARCH 2006
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
layout considerations
As for all switching power supplies, the layout is an important step in the design especially at high peak currents
and switching frequencies. If the layout is not carefully done, the regulator might show stability problems as well
as EMI problems.
Therefore, use wide and short traces for the main current paths as indicted in bold in Figure 16. The input
capacitor should be placed as close as possible to the IC pins as well as the inductor and output capacitor. Place
the bypass capacitor, C3, as close as possible to the FC pin. The analog ground, GND, and the power ground,
PGND, need to be separated. Use a common ground node as shown in Figure 16 to minimize the effects of
ground noise.
VIN
1
8
6
7
32
9
5
10
4
L1
EN
ILIM
SYNC
GND
FC
PG
PGND
FB
L
TPS62000
+
Co
VO
C3
Ci
VI
R3
R1
C(ff)
R2
+
PG
Figure 16. Layout Diagram
typical application
VIN
1
8
6
7
32
9
5
10
4
L1
22
H
EN
ILIM
SYNC
GND
FC
PG
PGND
FB
L
TPS62007DGS
C2
10
F
VO = 3.3 V/600 mA
Power
Good
C3
0.1
F
C1
10
F
VI = 5 V
680 k
L1:
Sumdia CDRH5D28-220
C1, C2: 10
F Ceramic Taiyo Yuden
JMK316BJ106KL
C3:
0.1
F Ceramic
Figure 17. Standard 5 V to 3.3 V/600 mA Conversion; High Efficiency
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相关代理商/技术参数
参数描述
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TPS62000DGS 制造商:Texas Instruments 功能描述:HIGH EFFICIENCY STEP-DOWN CONVERTER :ROH
TPS62000DGSG4 功能描述:直流/直流开关调节器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5
TPS62000DGSR 功能描述:直流/直流开关调节器 Adj 600mA Hi-Eff Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5