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參數資料
型號: TPS62421DRCR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, GREEN, PLASTIC, SON-10
文件頁數: 21/37頁
文件大?。?/td> 1020K
代理商: TPS62421DRCR
SW1
FB1
DEF_1
VIN2.5V – 6V
VIN
EN_1
EN_2
MODE/
DATA
TPS62420
GND
R11
R12
PowerPAD
R21
R22
SW2
ADJ2
C
10 F
IN
m
COUT2
C
33pF
ff2
L1
3.3 H
m
3.3 H
m
COUT2
L2
SLVS676C – JUNE 2006 – REVISED JUNE 2010
www.ti.com
Connect the GND Pin of the device to the PowerPAD of the PCB and use this Pad as a star point. For each
converter use a common Power GND node and a different node for the Signal GND to minimize the effects of
ground noise. Connect these ground nodes together to the PowerPAD (star point) underneath the IC. 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 output voltage sense lines (FB 1, ADJ2, DEF_1)
should be connected right to the output capacitor and routed away from noisy components and traces (e.g., SW
line). If the EasyScale interface is operated with high transmission rates, the MODE/DATA trace must be routed
away from the ADJ2 line to avoid capacitive coupling into the ADJ2 pin. A GND guard ring between the
MODE/DATA pin and ADJ2 pin avoids potential noise coupling.
Figure 36. Layout Diagram
28
Copyright 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS62420 TPS62421
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相關代理商/技術參數
參數描述
TPS62421DRCT 功能描述:直流/直流開關轉換器 2.25MHz 600mA/1000 mA Dual Step Down RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
TPS62480EVM-671 功能描述:EVALUATION MODULE 制造商:texas instruments 系列:* 零件狀態:在售 標準包裝:1
TPS62480RNCT 功能描述:Buck Switching Regulator IC Positive Adjustable 0.6V 2 Output 6A 16-VFQFN 制造商:texas instruments 系列:- 包裝:剪切帶(CT) 零件狀態:有效 功能:降壓 輸出配置:正 拓撲:降壓 輸出類型:可調式 輸出數:2 電壓 - 輸入(最小值):2.4V 電壓 - 輸入(最大值):5.5V 電壓 - 輸出(最小值/固定):0.6V 電壓 - 輸出(最大值):5.5V 電流 - 輸出:6A 頻率 - 開關:2.2MHz 同步整流器:是 工作溫度:-40°C ~ 125°C (TJ) 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 供應商器件封裝:16-VQFN(3x2.5) 標準包裝:1
TPS62500DRCR 制造商:Texas Instruments 功能描述:
TPS62510DRCR 功能描述:直流/直流開關調節器 Adj. 97% Efficient 1.5A Buck 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
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