欧美成人免费电影,国产欧美一区二区三区精品酒店,精品国产a毛片,色网在线免费观看

參數資料
型號: TPS62223DDC
廠商: Texas Instruments, Inc.
英文描述: 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
中文描述: 400毫安,1.25 MHz的,高效率,降壓型轉換器薄,SOT23封裝
文件頁數: 16/20頁
文件大?。?/td> 464K
代理商: TPS62223DDC
www.ti.com
Layout Considerations
V
I
GND
EN
SW
FB
C1
4.7
μ
F
L1
4.7
μ
H
C2
10
μ
F
TPS62220
V
I
2.5 V 6 V
V
O
1.8 V / 400 mA
R1
R2
C1
C2
Typical Applications
V
I
GND
EN
SW
FB
C3
10
μ
F
L1
10
μ
H
C4
10
μ
F
TPS62220
V
I
3.6 V to 6 V
V
O
3.3 V/400 mA
R1
680 k
R2
120 k
C1
10 pF
C2
150 pF
1
2
3
5
4
V
I
GND
EN
SW
FB
C3
4.7
μ
F
L1
10
μ
H
C4
10
μ
F
TPS62220
V
I
2.7 V to 6 V
V
O
2.5 V/400 mA
R1
510 k
R2
130 k
C1
15 pF
C2
150 pF
1
2
3
5
4
TPS62220, TPS62221, TPS62222
TPS62223, TPS62224
TPS62228, TPS62229
SLVS491C–SEPTEMBER 2003–REVISED SEPTEMBER 2004
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 shows stability problems as well as
EMI problems. Therefore, use wide and short traces for the main current paths, as indicated in bold in Figure 16.
The input capacitor, as well as the inductor and output capacitor, should be placed as close as possible to the IC
pins. In particular, the input capacitor needs to be placed as close as possible to the IC pins, directly across the
Vin and GND pin. The feedback resistor network must be routed away from the inductor and switch node to
minimize noise and magnetic interference. To further minimize noise from coupling into the feedback network
and feedback pin, the ground plane or ground traces must be used for shielding. This becomes important
especially at high switching frequencies of 1.25 MHz.
Figure 16. Layout Diagram
Figure 17. LI-Ion to 3.3 V Conversion
Figure 18. LI-Ion to 2.5 V Conversion
16
相關PDF資料
PDF描述
TPS6222 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62228DDC 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62304DRC 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING
TPS62304YZD 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING
TPS62315YZ 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING
相關代理商/技術參數
參數描述
TPS62223DDCR 功能描述:直流/直流開關調節器 2.3V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62223DDCRG4 功能描述:直流/直流開關調節器 2.3V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62223DDCT 功能描述:直流/直流開關調節器 2.3V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62223DDCTG4 功能描述:直流/直流開關調節器 2.3V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS62224DDCR 功能描述:直流/直流開關調節器 1.6V Out 400mA Step-Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
主站蜘蛛池模板: 如东县| 高青县| 伊宁市| 小金县| 临高县| 东阿县| 扎鲁特旗| 西充县| 韶关市| 霍林郭勒市| 南陵县| 抚宁县| 昌乐县| 宁晋县| 古蔺县| 平顺县| 汕尾市| 华池县| 无为县| 泰宁县| 百色市| 玛多县| 邢台市| 青铜峡市| 睢宁县| 静安区| 黄梅县| 汕头市| 中超| 通道| 融水| 武定县| 金塔县| 留坝县| 蓬溪县| 齐齐哈尔市| 昌乐县| 囊谦县| 抚远县| 抚州市| 噶尔县|