CE021 2.5V 3V 3.7V 4.2V 5V to 3.3V Low Noise Regulated Charge Pump Step-Down Step-Up Boost Buck DC-DC Converter

CE021 2.5V 3V 3.7V 4.2V 5V to 3.3V Low Noise Regulated Charge Pump Step-Down Step-Up Boost Buck DC-DC Converter

  • Model: CE021_B
  • Availability: In stock
  • Weight: 0.003Kg
US$0.99
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Description:
 

Low Noise, Regulated Charge Pump DC/DC Converter

2 in 1 DC-DC Step-Down & Step-Up Converter module

Fixed 3.3V+-4% Output

Voltage Input Range: 1.8~5V

Long time maximum output current 100mA

Short time maximum output current 150mA

working frequency 1.2MHz.

Short-Circuit Protection

No load input current : 0.65mA

Size 11mm x 7.6mm x 4.5mm(small)

Weight : 0.3g(Very very light)

The CE021is a low noise, constant frequency (1.2MHz) switched capacitor voltagedoubler.
It produce a regulated output voltagefrom a 1.8V to 5V input with up to 100mA of output current.Low external parts count (one flying capacitor and two small bypasscapacitors at VIN and VOUT) make theCE021 ideally suited for small,battery-powered applications.

The CE021 have thermal shutdown capability and can survive a continuous short circuit from VOUT to GND. Built-in soft-start circuitry prevents excessive inrush current during start-up.

High switching frequency enables the use of small ceramic capacitors. A low current shutdown feature disconnects the load from VIN and reduces quiescent current to <1uA.


Applications:

 

Low Power Wifi Module:ESP8266

Low-power Bluetooth module : HC-05 HC-06 SPP-C

Low-power Wireless UART module : HC-11 HC-12

Low-power wireless module : CC1101 CC2500 Nrf24l01+

Low-power LED Driver
 
 

 

Attention :
 

This is a DC-DC voltage converter module,Must be noted when using:

1 Input voltage can not be greater than the maximum input range
2 Output power can not be greater than the maximum load for a long time
3 Input power must be greater than the output power, because the power consumption of the module itself

 

 

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