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Step-up DC/DC Converter

Step-up DC/DC Converters (General use)

Product Name Ver. Control Input Voltage Range Output Voltage Range Frequency Output
Tr.
Lx Current Limit*2 Other Features Package Data Sheet
(PDF)
Design
Guide
(PDF)
RN5RK xx1x VFM 0.75V to 8.0V 2.0V to 5.5V Max.
100kHz
Internal -   SOT-23-5 DL -
xx2A 0.7V to 8.0V External
R1210N xx1A/C/D PWM 0.9V to 8.0V 2.2V to 6.0V: xxxC/D
2.2V to 3.5 V: xx1A
100kHz:
xxxA/C
180kHz:
xxxD
Internal - xx1A: With frequency
change-over circuit.
Soft-Start*3
SOT-23-5 DL -
R1210N xx2C/D 0.8V to 8.0V External DL -
R1213K 001A PWM 2.3V to 5.5V 3.0V to 6.0V,
Ext. Adjustable
1MHz Internal 3A Phase : External
Shutdown : FLAG pin
Soft-Start : Ext. Adjustable
UVLO
Thermal
DFN(PLP)
2730-12
DL DL
001B 6.0V to 15.0V,
Ext. Adjustable
RP400x xx1A PWM/VFM
Auto Switching
0.7V to 5.5V 1.8V to 5.0V
or
1.8V to 5.0V,
Ext. adjustable
(only DFN)
700kHz Internal 600mA *4 Soft-Start
Anti-ringing
DFN(PLP)
1820-6

SOT-23-5
DL DL
RP400x xx1B DL
RP400x xx1C 1.2V to 5.5V DL
RP401x xx1A PWM,
PWM/VFM
Auto Switching
0.6V to 5.5V 1.8V to 5.5V 1.2MHz Internal 1A*4 Soft-Start
P<=>P/V
DFN(PLP)
1820-6
DL DL
xx1B
xx1C PWM/VFM
Auto Switching
1.8V to 5.5V
or
1.8V to 5.5V,
Ext. Adjustable
(only DFN)
DFN(PLP)
1820-6

SOT-23-5
xx1D PWM
RP402x xx1A/C PWM,
PWM/VFM
Auto Switching
0.6V to 4.8V
or
0.6V to 4.6V :
001
1.8V to 5.5V
or
1.8V to 5.5V,
Ext.
Adjustable
1.2MHz Internal 1.5A*4 Synchro
Soft-Start OVP OVLO
Anti-ringing : xx1/001
P<=>P/V
DFN(PLP)
2020-8
DL
3.12MB
DL
xx2A Forced PWM 1.0MHz
xx1B/D PWM,
PWM/VFM
Auto Switching
1.2MHz
xx2B Forced PWM 1.0MHz
SOT-23-5
xx1E/G PWM/VFM
Auto Switching
0.6V to 4.8V 1.8V to 5.5V 1.2MHz
xx1F/H
Product Name Ver. Control Input Voltage Range Output Voltage Range Frequency Output
Tr.
Lx Current Limit*2 Features, Remarks Package Data Sheet
(PDF)
Design
Guide
(PDF)
  • *1For the externally adjustable output voltage type, this is a feedback voltage accuracy.
  • *2Lx current limit is different from output current.
  • *3Soft-start includes a function that detects a sudden fluctuation of voltage to prevent overshoot and undershoot.
  • *4Lx current limit fluctuates depending on Duty.

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