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參數(shù)資料
| 型號： | ISL6440IAZ-TK |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 300kHz Dual, 180 Degree Out-of-Phase, Step-Down PWM Controller |
| 中文描述： | 0.4 A DUAL SWITCHING CONTROLLER, 340 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | 0.150 INCH, ROHS COMPLIANT, PLASTIC, QSOP-24 |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 346K |
| 代理商： | ISL6440IAZ-TK |
14
FN9040.2
October 4, 2005
value as shown. The combined out-of-phase current is the
square root of the sum of the square of the individual
reflected currents and is significantly less than the combined
in-phase current.
Use a mix of input bypass capacitors to control the voltage
ripple across the MOSFETs. Use ceramic capacitors for the
high frequency decoupling and bulk capacitors to supply the
RMS current. Small ceramic capacitors can be placed very
close to the upper MOSFET to suppress the voltage induced
in the parasitic circuit impedances.
For board designs that allow through-hole components, the
Sanyo OS-CON series offer low ESR and good
temperature performance. For surface mount designs, solid
tantalum capacitors can be used, but caution must be
exercised with regard to the capacitor surge current rating.
These capacitors must be capable of handling the surge-
current at power-up. The TPS series available from AVX is
surge current tested.
FIGURE 17. INPUT RMS CURRENT vs LOAD
1
2
3
4
5
3.3V AND 5V LOAD CURRENT
I
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
IN PHASE
OUT OF PHASE
5V
3.3V
ISL6440
相關(guān)PDF資料 |
PDF描述 |
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| ISL6440IAZ | 300kHz Dual, 180 Degree Out-of-Phase, Step-Down PWM Controller |
| ISL6440IA | 300kHz Dual, 180 Degree Out-of-Phase, Step-Down PWM Controller |
| ISL6440 | 300kHz Dual, 180° Out-of-Phase, Step-Down PWM Controller(300kHz雙路, 180°異相, 降壓PWM控制器) |
| ISL6441(中文) | 1.4MHz Dual, Out-of-Phase, Step-Down PWM and Single Linear Controller(1.4MHz兩路,異相，降壓型PWM，外加一路線性控制器) |
| ISL6441 | 1.4MHz Dual, Out-of-Phase, Step-Down PWM and Single Linear Controller(1.4MHz兩路,異相，降壓型PWM，外加一路線性控制器) |
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| ISL6441IR | 功能描述:IC CTRLR SGL/STEP DOWN PWM 28QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件 |
| ISL6441IR-T | 功能描述:IC CTRLR PWM DUAL 1.4MHZ 28-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件 |
| ISL6441IR-TK | 功能描述:IC CTRLR PWM DUAL 1.4MHZ 28-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件 |
| ISL6441IRZ | 功能描述:IC CTRLR SGL/STEP DOWN PWM 28QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 應(yīng)用:熱電冷卻器 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.173"，4.40mm 寬）裸露焊盤 供應(yīng)商設(shè)備封裝:28-TSSOP 裸露焊盤 包裝:管件 產(chǎn)品目錄頁面:1410 (CN2011-ZH PDF) |
| ISL6441IRZS2695 | 制造商:Intersil Corporation 功能描述: |
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