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FP6276B-5V/2.1A移動(dòng)電源應(yīng)用同步升壓IC

FP6276B-500kHz 5A High Efficiency Synchronous PWM Boost Converter

General Description
      The FP6276B is a current mode synchronous boost DC-DC converter with PWM/PSM control. Its PWM circuitry with built-in 50mΩ high side switch and 50mΩ low side switch make this regulator highly power efficient. The internal compensation network also minimizes as much as 6 external component counts. The non-inverting input of error amplifier connects to a 0.6V precision reference voltage and internal soft-start function can reduce the inrush current.

Features
? Current mode with PWM/PSM control
? Input Voltage range: 2.4V~4.5V
? Shutdown current: <1uA
? Oscillator frequency: 500KHz
? Reference voltage: 0.6V +/-2%
? Load disconnect during shutdown
? Cycle-by-cycle current limit
? Low RDS(on): Low side 50mΩ, High side50mΩ.
? Protection: OTP, Output OVP, SCP
? Internal Compensation
? Internal Soft-start: 7ms
? Package: SOP8(EP)

Applications
? Chargers
? Handheld Devices
? Portable Products
? Power Bank

 

FP6276B效率測(cè)試表

Vin

Iin

Vout

Iout

效率

3.0V

3.65A

4.95V

2A

90.4%

3.3V

3.33A

5.04V

2A

91.7%

3.7V

2.95A

5.05V

2A

92.5%

4.2V

2.56A

5.05V

2A

93.9%

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sky_wolf
LV.4
2
2015-12-22 20:48
我要單鋰電升壓到9V,12V,1.5A,效率會(huì)到多少?
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mbgcn
LV.3
3
2018-06-28 15:14
@sky_wolf
我要單鋰電升壓到9V,12V,1.5A,效率會(huì)到多少?

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