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參數(shù)資料
| 型號(hào)： | TPS62510DRC |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A SWITCHING REGULATOR, 1700 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, PLASTIC, SON-10 |
| 文件頁(yè)數(shù)： | 8/24頁(yè) |
| 文件大小： | 1063K |
| 代理商： | TPS62510DRC |
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Layout Guidelines
VI
1.8Vto3.8V
TPS62510
PGND
L1
2.2 H
m
C2
22 F
m
C3
22pF
R1
300kW
R2
200kW
Cf
100nF
Rf1 W
VO
1.5Vto1.5 A
C1
22 F
m
SW
FB
PG
AGND
PVIN
7
AVIN
EN
OVT
MODE
10
5
6
8
9
2
1
4
3
SLVS651A – MAY 2006 – REVISED JULY 2009 ................................................................................................................................................................ www.ti.com
Table 3. Inductor Recommendations
Inductor Value
Component Supplier
Dimensions
I(SAT) / R(DC)
2.2
H
Sumida CDRH2D18/HP 4R7
3.2 mm x 3.2 mm x 2 mm
1.6 A / 60 m
2.2
H
Wuerth 744045002
4.5 mm x 3.2 mm x 2.6 mm
1.6 A / 110 m
2.2
H
Sumida CDRH3D14
4 mm x 4 mm x 1.8 mm
1.75 A / 69 m
2.2
H
Sumida CDRH4D22
5 mm x 5 mm x 2.4 mm
1.8 A / 25.4 m
2.2
H
Sumida CDRH4D28
5 mm x 5 mm x 3 mm
2 A / 31.3 m
2.2
H
Coilcraft MSS5131
5.1 mm x 5.1 mm x 3.1 mm
1.9 A / 23 m
2.2
H
Coilcraft DO1608
6.6 mm x 4.45 mm x 2.92 mm
2.3 A / 28 m
2.2
H
Wuerth 74455022
6.6 mm x 4.45 mm x 2.92 mm
2.3 A / 28 m
Figure 22. Layout Guidelines
1. Place and route the power components first (C1, L1, C2).
2. The input capacitor (C1) must be placed as close as possible from PVIN to PGND.
3. The inductor must be placed as close as possible to the switch pin.
4. All ground connections (shown in bold) must be on a common ground plane or form a star ground.
5. Analog ground (AGND) and power ground (PGND) as well as the device PowerPAD must be tight
together.
6. The feedback network (R1, C3, R2) must be routed away from the inductor (L1) and should be grounded to
the PowerPAD.
7. The feedback network must sense and regulate the output voltage across the output capacitor to minimize
load regulation.
16
Copyright 2006–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS62510
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| TPS62510DRCR | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj. 97% Efficient 1.5A Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62510DRCR/2801 | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Adj,96% Eff,1.5A Buck Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62510DRCRG4 | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj. 97% Efficient 1.5A Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62510DRCT | 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 Adj. 97% Efficient 1.5A Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)關(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS62510DRCT | 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu |
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