Power
来自Jack's Lab
目录 |
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
2.2 F7298
主控非隔离电源芯片 F7298 典型应用电路:
2.3 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
3.8 BQ27441
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
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
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
- 4.75~23V Input
- 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 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
3.15 SOT23-6 宽电压大电流
3.15.1 RY9135
- 4.5 - 17V, 3A, 600KHz, VFB 0.765V, SOT23-6
https://item.szlcsc.com/3106002.html
3.15.2 RY8122
- 4-18V, 2A, 500KHz, VFB 0.8V, SOT23-6
https://item.szlcsc.com/344490.html
3.15.3 JW5033
- 3.7 - 18V Input
- 2A output
- Up to 95% efficiency
- 800KHz switching frequency
https://item.szlcsc.com/305213.html
3.15.4 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
3.15.5 TP8204HS6-B
- 4.5 - 17V Input
- 3A output current
- 500KHz Frequency operation
- Up to 96%
https://item.szlcsc.com/3023530.html
3.15.6 ASP8122
- 4.5 - 18V
- 2A output
- 500KHz
https://item.szlcsc.com/2875922.html
4 Step-Up
4.1 LM2577