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== EMI 滤波器件 == * [https://detail.1688.com/offer/622291016745.html FBMA-11-160808-601T 磁珠 (600R@100MHz 200mA max) ] * 10pF 的电容是用以滤除工作在 1800MHz 频率时的高频干扰 * 33pF 电容用于滤除模块工作在 900MHz 频率时的高频干扰 ** 需要注意的是,由于电容的谐振点很大程度上取决于电容的材料以及制造工艺,因此选择电容时,需要咨询电容的供应商,选择最合适的容值来滤除高频噪声 <br> == AC to DC == === MP155 === [[文件:Mp155-ref-sch.png]] <br><br> === MP157 === Output: up to 6W <br> === F7298 === 主控非隔离电源芯片 F7298 典型应用电路: [[文件:F7298.refer.sch.png]] <br><br> === 12V === 220V switch to 12V constant voltage power supply model, rated 12W and 1A current output * ACT522/ACT520/ACT41x http://www.active-semi.com/products/acdc-converters/secondary-side-regulators/ * OB2263/OB2273 http://www.on-bright.com/cn/english/products_PWM.htm <br><br> == DC to DC == === WL2803E === ;;Feature: * 500mA CMOS LDO * Ultra low dropout, 130mV (Typ.) @ 500mA load current * The quiescent current is typically 150uA * Vin MAX = 6.5V * SOT23-5 small package * Output 3.3V is marking WS33/YYWW (YY - Year code, WW - Week code) [[文件:Wl2803-pin-app.png]] <br><br> === AP2112(国产替代 ME6211C33M5G-N )=== ;;Feature: * 600mA CMOS LDO * Low Dropout Voltage (3.3V): 250mV (Typ.) @ 600mA * Low Quiescent Current: 55μA (Typ.) * Low Standby Current: 0.01μA (Typ.) * Vin MAX = 6.5V * Provides SOT-23-5, SOT-89-5, and SOIC-8 packages [[文件:AP2112-pin-app.png]] <br><br> === ME6119C33M5G === * 最大输出电流:400mA * 压降:104mV@Iout =100mA * 输入电压范围:2.5V~18V * 精度:±2% * 工作电流:60μA * 待机电流:0μA <br><br> === WL2803G === 需要低 dropout voltage 的场合,替换 AMS1117 ;;Feature: * 1000mA CMOS LDO * Dropout voltage : 260mV @ Iout = 800mA load current * The quiescent current is typically 150uA * Vin MAX = 6.5V * SOT-223-3L package * Output 3.3V is marking 2803G**/YYWW [ ** - Voltage code (33: 3.3V), YY - Year code, WW - Week code ] [[文件:Wl2803g-pin-app.png]] <br><br> === AMS1117-3.3 === ;;Feature: * 1000mA LDO * Dropout voltage : 1.1V @ Iout = 800mA load current * The quiescent current is typically 5mA * Vin MAX = 15V * SOT-223-3L package [[文件:AMS1117-pin.png]] <br><br> === TPS63001 === * Input Voltage Range: 1.8 V to 5.5 V * Fixed and Adjustable Output Voltage Options from 1.2 V to 5.5 V * Up to 96% Efficiency * 1200-mA Output Current at 3.3 V in Step-Down Mode (VIN = 3.6 V to 5.5 V) * Up to 800-mA Output Current at 3.3 V in Boost Mode (VIN > 2.4 V) * Automatic Transition Between Step-Down and Boost Mode * Device Quiescent Current less than 50 μA * Power-Save Mode for Improved Efficiency at Low Output Power * Load Disconnect During Shutdown * Overtemperature Protection * Small 3mm × 3mm 10-Pin VSON Package (QFN) [[文件:TPS63001-APP-SCH.png]] [[文件:TPS63001-APP-Layout.png]] <br><br> === MC34063 === 1.5 A, Step-Up/Down/ Inverting Switching Regulators * Operation from 3.0 V to 40 V Input * Low Standby Current * Current Limiting * Output Switch Current to 1.5 A * Output Voltage Adjustable * Frequency Operation to 100 kHz * Precision 2% Reference * NCV Prefix for Automotive > [https://www.onsemi.cn/PowerSolutions/document/MC34063A-D.PDF MC34063 Datasheet] <br> === BQ27441 === * http://www.ti.com/product/bq27441-g1 <br><br> ESP8266/ESP8285 chip、MY9291/MY9231 chip、SPI Flash chip are all 3.3V power. === MP1470 === * Wide 4.7V to 16V Operating Input Range * Fixed 500kHz Switching Frequency * Over-Current Protection and Hiccup * Thermal Shutdown * Output Adjustable from 0.8V * Available in a 6-pin TSOT-23 package [[文件:Mp1470-typical.jpg]] [http://www.monolithicpower.com/DesktopModules/DocumentManage/API/Document/getDocument?id=418 MP1470 Datasheet] <br><br> === MP2104 === * High Efficiency: Up to 95% * 1.7MHz Constant Switching Frequency * 600mA Available Load Current * 2.5V to 6V Input Voltage Range * Output Voltage as Low as 0.6V * 100% Duty Cycle in Dropout * Short Circuit Protection * Thermal Fault Protection * <0.1µA Shutdown Current * 1.5V and 1.8V Fixed Output Versions * Space Saving 5-Pin TSOT23 and 6-pin thin QFN Packages [http://www.monolithicpower.com/DesktopModules/DocumentManage/API/Document/getDocument?id=460 MP2104 Datasheet] <br><br> === MP2359 === * Wide 4.5V to 24V Operating Input Range * 1.2A Peak Output Current * 0.35Ω Internal Power MOSFET Switch * Stable with Low ESR Output Ceramic Capacitors * Up to 92% Efficiency * 0.1μA Shutdown Mode * Fixed 1.4MHz Frequency * Thermal Shutdown * Cycle-by-Cycle Over Current Protection * Output Adjustable from 0.81V to 15V [[文件:Mp2359-sch.jpg]] <br><br> === MP2307 === 宽电压输入、至少 90% 转换效率 典型应用电路: [[文件:Power-mp2307.png]] R2 固定为 20K,R1 的大小,控制输出电压的值: R1 = 10.81× (VOUT − 0.925) (kΩ) <source lang=bash> VOUT R1 R2 1.8V 9.53kΩ 10kΩ 2.5V 16.9kΩ 10kΩ 3.3V 26.1kΩ 10kΩ 3.7V 30.0kΩ 10kΩ 5V 44.2kΩ 10kΩ 12V 121kΩ 10kΩ </source> [[文件:CAMGO-Power-SCH.png | 800px]] <br> === MP1482/AX3482 === * http://www.micro-bridge.com/data/Axelite/AX3482.pdf * 4.75~23V Input * 2A Output * Integrated 130mΩ Power MOSFET Switches * Up to 93% Efficiency * Fixed 350KHz Frequency * Cycle-by-Cycle Over Current Protection * Thermal shutdown and short circuit protections [[文件:AX3482-app.png | 600px]] <br> === AX3484 === * http://www.micro-bridge.com/data/Axelite/AX3484.pdf * 4.75~23V Input * 3A output * Integrated 100mΩ Power MOSFET Switches * Up to 95% Efficiency * Fixed 350KHz Frequency * Cycle-by-Cycle Over Current Protection * Thermal shutdown and short circuit protections [[文件:AX3484-app.png | 600px]] <br> === L5973 === * 2.5 A internal switch * Operating input voltage from 4 V to 36 V * 3.3 V / (±2%) reference voltage * Output voltage adjustable from 1.235 V to 35 V * https://www.st.com/resource/en/datasheet/l5973d.pdf <br><br> === SOT23-6 宽电压大电流 === ==== RY9135 ==== * 4.5 - 17V, 3A, 600KHz, VFB 0.765V, SOT23-6 https://item.szlcsc.com/3106002.html <br> ==== RY8122 ==== * 4-18V, 2A, 500KHz, VFB 0.8V, SOT23-6 https://item.szlcsc.com/344490.html <br> ==== JW5033 ==== * 3.7 - 18V Input * 2A output * Up to 95% efficiency * 800KHz switching frequency https://item.szlcsc.com/305213.html <br> ==== TP6327GS6-A ==== * 3.5-18V Input * 2.5A continuous current, 3A peak current * Up t o 95%@5V * 600KHz Frequency operation https://item.szlcsc.com/3150586.html <br> ==== TP8204HS6-B ==== * 4.5 - 17V Input * 3A output current * 500KHz Frequency operation * Up to 96% https://item.szlcsc.com/3023530.html <br> ==== ASP8122 ==== * 4.5 - 18V * 2A output * 500KHz https://item.szlcsc.com/2875922.html <br><br> == Step-Up == === LM2577 === * http://www.ti.com.cn/product/cn/LM2577 * http://www.ti.com/lit/ds/symlink/lm2577.pdf <br><br>
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