Key facts
- Brand
- Ricoh
- Model
- RP505K
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-10
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Ricoh RP505K Series Step-Down DC/DC Converter Datasheet
The RP505K Series are low supply current, CMOS-based 1A step-down DC/DC converters featuring a synchronous rectifier. These ICs integrate an oscillator, reference voltage unit, error amplifier, switching control circuit, mode control circuit, soft-start circuit, latch-type protection circuit, under-voltage lockout (UVLO) circuit, and thermal shutdown circuit. The series is designed for high-density mounting in the DFN(PLP)2020-8 package.
Read onlineRicoh RP505K specifications
| Standby Current Max | 5uA |
|---|---|
| Input Voltage Range | 2.3V to 5.5V |
| Output Voltage Range (Ver.A,B) | 0.6V to 3.3V |
| Lx Current Limit Circuit | 1.7A |
Source: Ricoh RP505K Series Step-Down DC/DC Converter Datasheet
All Ricoh RP505K documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the output voltage accuracy for Version A and B?
The output voltage accuracy is ±1.5% at Vout=1.2V or ±18mV when Vout<1.2V.
From: Ricoh RP505K Series Step-Down DC/DC Converter Datasheet
How can the RP505K Series choose between PWM and VFM modes?
By inputting a signal to the MODE pin, users can select Forced PWM mode or PWM/VFM alternative mode.
From: Ricoh RP505K Series Step-Down DC/DC Converter Datasheet
What control types are available for the RP505K Series?
The series offers forced PWM control or PWM/VFM auto switching control, selected by input signal to the MODE pin.
From: Ricoh RP505K Series Step-Down DC/DC Converter Datasheet
What is the output voltage range for the fixed version?
The internally fixed output voltage type (RP505Kxx1A/B) supports a range of 0.6V to 3.3V.
From: Ricoh RP505K Series Step-Down DC/DC Converter Datasheet