2022年7月3日 (日) 18:21的版本

1 EMI 滤波器件

• 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

2 AC to DC

2.1 MP155

Up to 3W output power

2.2 MP157

Output: up to 6W

same as mp155

2.3 F7298

主控非隔离电源芯片 F7298 典型应用电路：

2.4 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

3 DC to DC

3.1 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)

3.2 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

3.3 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

3.4 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 ]

3.5 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

3.6 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)

3.7 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

> MC34063 Datasheet

3.8 BQ27441

• http://www.ti.com/product/bq27441-g1

ESP8266/ESP8285 chip、MY9291/MY9231 chip、SPI Flash chip are all 3.3V power.

3.9 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

MP1470 Datasheet

3.10 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

MP2104 Datasheet

3.11 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

3.12 MP2307

宽电压输入、至少 90% 转换效率

典型应用电路：

R2 固定为 20K，R1 的大小，控制输出电压的值：

 R1 = 10.81× (VOUT − 0.925) (kΩ) 

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

3.13 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

3.14 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

3.15 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

3.16 SOT23-6 宽电压大电流

3.16.1 RY9135

• 4.5 - 17V, 3A, 600KHz, VFB 0.765V, SOT23-6

https://item.szlcsc.com/3106002.html

3.16.2 RY8122

• 4-18V, 2A, 500KHz, VFB 0.8V, SOT23-6

https://item.szlcsc.com/344490.html

3.16.3 JW5033

• 3.7 - 18V Input
• 2A output
• Up to 95% efficiency
• 800KHz switching frequency

https://item.szlcsc.com/305213.html

3.16.4 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

3.16.5 TP8204HS6-B

• 4.5 - 17V Input
• 3A output current
• 500KHz Frequency operation
• Up to 96%

https://item.szlcsc.com/3023530.html

3.16.6 ASP8122

• 4.5 - 18V
• 2A output
• 500KHz

https://item.szlcsc.com/2875922.html

4 Step-Up

4.1 LM2577

• http://www.ti.com.cn/product/cn/LM2577
• http://www.ti.com/lit/ds/symlink/lm2577.pdf