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| 型号： | TPS54332DDAR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | PLASTIC, SOIC-8 |
| 文件页数： | 10/26页 |
| 文件大小： | 986K |
| 代理商： | TPS54332DDAR |
60
65
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85
90
95
100
0
0.5
1
1.5
2
2.5
3
3.5
I -OutputCurrent- A
O
Efficiency-%
V
=2.5V
O
V =5V
I
V =12V
I
V =15V
I
V
=2.5V
O
50
55
60
65
70
75
80
85
90
95
100
0
0.025
0.05
0.075
0.1
0.125
0.15
0.175
0.2
0.225
0.25
I -OutputCurrent- A
O
V =5V
I
Efficiency-%
V =12V
I
V =15V
I
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
0.5
1
1.5
2
2.5
3
3.5
I -OutputCurrent- A
O
V =5V
I
V =12V
I
V =15V
I
OutputV
oltageRegulation-%
-0.025
-0.02
-0.015
-0.01
-0.005
0
0.005
0.01
0.015
0.02
0.025
5
6
7
8
9
10
11
12
13
14
15
I
=1 A
O
V -InputVoltage-V
I
OutputRegulation-%
SLVS875A – JANUARY 2009 – REVISED MARCH 2010
www.ti.com
Estimated Circuit Area
The estimated printed circuit board area for the components used in the design of Figure 12 is 0.58 in2. This area
does not include test points or connectors.
ELECTROMAGNETIC INTERFERENCE (EMI) CONSIDERATIONS
As EMI becomes a rising concern in more and more applications, the internal design of the TPS54332 takes
measures to reduce the EMI. The high-side MOSFET gate drive is designed to reduce the PH pin voltage
ringing. The internal IC rails are isolated to decrease the noise sensitivity. A package bond wire scheme is used
to lower the parasitics effects.
To achieve the best EMI performance, external component selection and board layout are equally important.
Follow the Step by Step Design Procedure above to prevent potential EMI issues.
APPLICATION CURVES
Figure 14. TPS54332 Efficiency
Figure 15. TPS54332 Low Current Efficiency
Figure 16. TPS54332 Load Regulation
Figure 17. TPS54332 Line Regulation
18
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS54332
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| TPS54332EVM-416 | 功能描述:电源管理IC开发工具 5-15V,3A,SWIFT Buck Converter Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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| TPS54334DRCT | 功能描述:Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 10-VFDFN Exposed Pad 制造商:texas instruments 系列:- 包装:剪切带（CT） 零件状态:有效 功能:降压 输出配置:正 拓扑:降压 输出类型:可调式 输出数:1 电压 - 输入（最小值）:4.2V 电压 - 输入（最大值）:28V 电压 - 输出（最小值/固定）:0.8V 电压 - 输出（最大值）:24V 电流 - 输出:3A 频率 - 开关:570kHz 同步整流器:是 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:10-VFDFN 裸露焊盘 供应商器件封装:10-VSON（3x3） 标准包装:1 |
| TPS54334EVM-722 | 功能描述:TPS54334 SWIFT? DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board 制造商:texas instruments 系列:SWIFT?? 零件状态:有效 主要用途:DC/DC，步降 输出和类型:1，非隔离 功率 - 输出:- 电压 - 输出:3.3V 电流 - 输出:3A 电压 - 输入:4.2 V ~ 28 V 稳压器拓扑:降压 频率 - 开关:570kHz 板类型:完全填充 所含物品:板 使用的 IC/零件:TPS54334 标准包装:1 |
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