SP6652 Просмотр технического описания (PDF) - Signal Processing Technologies

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SP6652

1A, High Efficiency, Fixed 1.4 MHz Current Mode PWM Buck Regulator

Signal Processing Technologies 

TYPICAL PERFORMANCE CHARACTERISTICS

EN

Vout

Figure 14. SP6652 600mA

Start-up from Enable

Vin=4.2V, Vo=3.3V, Iout =

ILX 600mA, Rz=4kW, Cz=10nF,

0.5A/divL1=4.7uH

EN

Figure 15. SP6652 600mA

Vout

Start-up from Enable

Vin=4.2V, Vo=1.5V, Iout =

600mA, Rz=2kW, Cz=10nF,

L1=4.7uH

ILX

0.5A/div

Vin

(AC)

Vout

(AC)

Figure 16. SP6652 600mA

Input/Output Ripple

Vin=4.2V, Vo=3.3V, Iout =

600mA, Rz=4kW, Cz=10nF,

L1=4.7uH

Vin

(AC)

Vout

(AC)

Figure 17. SP6652 600mA

Input/Output Ripple

Vin=4.2V, Vo=1.5V, Iout =

600mA, Rz=2kW, Cz=10nF,

L1=4.7uH

May25-07 RevH

SP6652 1A, High Efficiency, Current Mode PWM Buck Regulator

13

© 2007 Sipex Corporation

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