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Step-down DCDC Converter (Low voltage)

Product Name Control Input Voltage Range Output Voltage Range
(Accuracy *1)
Switching Frequency Output Current *2 Protection Circuit Other Features Package Datasheet
RP500 PWM,
PWM/VFM Auto Switching
2.55V to 5.5V 1.1V to 3.3V
(±1.5%)
1.2MHz 600mA Latch Synchro UVLO
Soft-Start Discharge
DFN1616-6
DFN(PLP)1820-6
SOT-23-6W
Consumer
Design guide
RP503 PWM/VFM Auto Switching 2.5V to 5.5V 0.8V to 2.5V
(±1.5%)
2MHz 600mA Latch Synchro UVLO
Soft-Start Discharge
DFN1616-6
SOT-23-5
Consumer
Design guide
RP507 PWM/VFM Auto Switching 2.3V to 5.5V 0.7V to 5.5V,
Ext. Adjustable
(±9mV)
2MHz 600mA - Synchro UVLO
Soft-Start Thermal
Discharge
DFN(PLP)1616-6D Consumer
Design guide
RP504 Forced PWM,
PWM/VFM Auto Switching
2.3V to 5.5V
(VOUT ≥1.0V)
0.8V to 3.3V
(±1.5%)
2.25MHz 600mA Latch Synchro UVLO
Soft-Start
Discharge
DFN(PLP)1216-6F
DFN1616-6B
SOT-23-5
Consumer
Design guide
RP508 Forced PWM,
PWM/VFM Auto Switching
2.3V to 5.5V 0.8V to 3.3V
(±1.5%)
6MHz 600mA - Synchro UVLO
Soft-Start Thermal
Discharge
DFN(PLP)1212-6F Consumer
Design guide
RP502 PWM,
PWM/VFM Auto Switching
2.5V to 5.5V 0.8V to 3.3V
(±1.5%)
3.3MHz 600mA Latch Synchro UVLO
Soft-Start Discharge
WLCSP-6-P2
DFN1616-6
Consumer
Design guide
R1232 PWM 2.6V to 5.5V 0.9V to 3.3V
(±2%)
1MHz,
2.25MHz
1A Latch Synchro UVLO
Soft-Start
SON-8 Consumer
0.8V to VIN,
Ext. Adjustable
(±16mV)
RP501 PWM,
PWM/VFM Auto Switching
2.5V to 5.5V 1.0V to 3.3V
(±1.5%)
2.25MHz 1A Latch Synchro UVLO
Soft-Start Discharge
DFN(PLP)2527-10 Consumer
Design guide
RP505 Forced PWM,
PWM/VFM Auto Switching
2.3V to 5.5V
(VOUT ≥0.8V)
0.6V to 3.3V
(±1.5%)
2.25MHz 1A Latch Synchro UVLO
Soft-Start Thermal
Discharge
DFN(PLP)2020-8 Consumer
Design guide
2.3V to 5.5V 0.8V to 3.3V,
Ext. Adjustable
(±9mV)
RP509 Forced PWM,
PWM/VFM Auto Switching
2.3V to 5.5V 0.6V to 3.3V
(±1.5%)
(VOUT ≥1.2V)
6MHz 1A,
500mA
- Synchro UVLO
Soft-Start Thermal
Discharge
WLCSP-6-P6 Consumer
Design guide
0.6V to 5.5V,
Ext. Adjustable
(±9mV)
RP506 Forced PWM,
PWM/VFM Auto Switching
2.5V to 5.5V
or
2.5V to 4.5V
0.6V to 3.3V
(±1.5%)
1.2MHz,
2.25MHz
2A Latch Synchro UVLO
Soft-Start Thermal
Discharge
DFN(PLP)2527-10 Consumer
Design guide
0.6V to 4.0V,
Ext. Adjustable
(±9mV)

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Alternative Dual-Voltage

Product Name Control Input Voltage Range Output Voltage Range (Accuracy) Switching Frequency Output Current *1 Protection Circuit Other Features Package Datasheet
RP904 PWM/VFM Manual Switching 2.5V to 5.5V 1.2V to 3.3V (±2%)
or
1.0V to 1.5V (±30mV)
2MHz 1A Latch Synchro UVLO
Soft-Start
Bypass Mode
WLCSP-11-P2 Consumer
  • *1Output Current (IOUT) can be affected by environmental conditions or external components. This is an approximate value.

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Dual Channel

Product Name Control Input Voltage Range Output Voltage Range
(Accuracy *1)
Switching Frequency Output Current *2 Protection Circuit Other Features Package Datasheet
RP550
Dual
Forced PWM,
PWM/VFM Auto Switching
2.3V to 5.5V
(VOUT ≥0.8V)
0.6V to 3.3V,
Ext. Adjustable
(±9mV)
2.25MHz 1A x2 Latch Synchro UVLO
Soft-Start Thermal
DFN(PLP)2730-12 Consumer
Design guide
  • *1For the externally adjustable output voltage type, this is a feedback voltage accuracy.
  • *2Output Current (IOUT) can be affected by environmental conditions or external components. This is an approximate value.

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