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Step-up DCDC Converter

Step-up DCDC Converters (General use)

Product Name Control Input Voltage Range Output Voltage Range Frequency Output
Tr.
Lx Current Limit*1 Other Features Package Datasheet
RN5RK VFM 0.75V to 8.0V 2.0V to 5.5V Max.
100kHz
Internal -   SOT-23-5 Consumer
0.7V to 8.0V External
R1210 PWM 0.9V to 8.0V 2.2V to 6.0V 100kHz,
180kHz
Internal - With frequency
change-over circuit.
Soft-Start*2
SOT-23-5 Consumer (xx1x)
Consumer (xx2x)
0.8V to 8.0V External
R1213 PWM 2.3V to 5.5V 3.0V to 15.0V,
Ext. Adjustable
1MHz Internal 3A Phase : External
Shutdown : FLAG pin
Soft-Start : Ext. Adjustable
UVLO Thermal
DFN(PLP)2730-12 Consumer
Design guide
RP400 PWM/VFM
Auto Switching
0.7V to 5.5V 1.8V to 5.0V
or
1.8V to 5.0V,
Ext. adjustable
700kHz Internal 600mA *3 Soft-Start Anti-ringing DFN(PLP)1820-6
SOT-23-5
Consumer (xx1A)
Consumer (xx1B)
Consumer (xx1C)
Design guide
RP401 PWM,
PWM/VFM
Auto Switching
0.6V to 5.5V 1.8V to 5.5V
or
1.8V to 5.5V,
Ext. Adjustable
1.2MHz Internal 1A*3 Soft-Start P<=>P/V DFN(PLP)1820-6
SOT-23-5
Consumer
Design guide
RP402 PWM,
PWM/VFM
Auto Switching,
Forced PWM
0.6V to 4.8V 1.8V to 5.5V 1.0MHz,
1.2MHz
Internal 1.5A*3 Synchro Soft-Start
OVP OVLO
Anti-ringing P<=>P/V
DFN(PLP)2020-8
SOT-23-5
Consumer
Design guide
0.6V to 4.6V 1.8V to 5.5V,
Ext. Adjustable
  • *1Lx current limit is different from output current.
  • *2Soft-start includes a function that detects a sudden fluctuation of voltage to prevent overshoot and undershoot.
  • *3Lx current limit fluctuates depending on Duty.

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