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Multi Power Supply DCDC Converter

Step-up and Inverting DCDC Converters

Product
Name
Control Input Voltage Range Output Voltage Range Voltage
Accuracy*1
Switching Frequency
(kHz)
Output
Tr.
Lx Current Limit*2 Timer Latch Delay Time Other Features Package Datasheet
R1280 PWM, Step-up 2.5V to 5.5V Ext. Adjustable ±1.5% 200kHz,
700kHz
External - 100ms Soft-Start: Ext. Adjustable
UVLO
Phase: Ext.
Phase: Int., With stand-by.
SON-10 Consumer
PWM, Inverting
R1283 PWM, Step-up 2.5V to 5.5V Up to 20.0V,
Ext. Adjustable
±1.5% 300kHz,
700kHz,
1.4MHz
Internal 1.5A 50ms Soft-Start UVLO
Discharge: Inverting output only
Sequencing
DFN(PLP)2730-12 Consumer
Design guide
PWM, Inverting Up to VDD-20.0V,
Ext. Adjustable
±25mV
R1286 PWM, Step-up 2.5V to 5.5V 4.5V to 5.8V ±0.9% 1.75MHz Internal 1.0A,
1.1A
16ms,
40ms
Synchro
Soft-Start UVLO
Sequencing Thermal
Discharge
S-Wire: Inverting output can be dynamically changed by S-wire control.
DFN(PLP)2730-12 Consumer
Design guide
4.5V to 5.8V,
Ext. Adjustable
±15mV
PWM, Inverting -2.0V to -6.0V ±70mV 1.5A,
1.8A
-2.0V to -6.0V,
Ext. Adjustable
±25mV
R1287 PWM,
PWM/VFM
Auto Switching
Step-up 2.5V to 5.5V 4.5V to 5.8V ±0.9% 900kHz,
300kHz,
1MHz
Internal 1.1A 30ms Synchro
Soft-Start UVLO
Sequencing Thermal
Discharge
WLCSP-12-P1
DFN3030-12
Consumer
Design guide
4.5V to 5.8V, Ext. Adjustable ±15mV
Inverting -4.5V to -5.8V ±1.0% 1.1MHz,
300kHz,
1MHz
1.5A
-4.5V to -6.0V, Ext. Adjustable ±30mV
  • *1For the externally adjustable output voltage type, this is a feedback voltage accuracy.
  • *2Lx current limit is different from output current.

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