Key facts
- Brand
- Ricoh
- Model
- RP401X
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-09
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Ricoh RP401x Series Step-Up DC/DC Converters Datasheet
The RP401x Series consists of high efficiency, step-up DC/DC converter ICs available in compact Spin SOT23-5 or 6pin DFN(PLP)1820-6 packages. These devices can start up from a low voltage (Typ. 0.6V), making them suitable for use with single or two serial alkaline batteries, NiMH batteries, or one-cell Lithium-ion batteries.
The series includes fixed output types (RP401Kxx1A/B and RP401Nxx1C/D) and adjustable output types (RP401K001C/D). Key features include a built-in Lx switch with an NMOS on-resistance of 0.4Ω, PWM oscillator frequency up to 1.2MHz, and output voltage ranges from 1.8V to 5.5V.
Ricoh RP401X specifications
| Start-up Voltage (Typ.) | 0.6V |
|---|---|
| Input Voltage Range | 0.6V to 5.5V |
| Output Current (Typ.) | 500mA @ 3.3V output, Vin=1.5V |
| Built-in Lx Switch On-Resistance | 0.4Ω @ Vout = 3.3V, 25°C |
| PWM Oscillator Frequency | ~1.2MHz |
| Output Voltage Range (Fixed) | 1.8V to 5.5V |
| Peak Current Limit | ~Typ. 1.0A |
| Latch Protection Delay Time (Version A) | 3.3ms |
| Ambient Temperature Range | -40°C to +85°C |
Source: Ricoh RP401x Series Step-Up DC/DC Converters Datasheet
All Ricoh RP401X documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical start-up voltage for the RP401x Series?
The typical start-up voltage is 0.6V, allowing operation with low-voltage sources like single alkaline batteries.
From: Ricoh RP401x Series Step-Up DC/DC Converters Datasheet
Which packages are available for the RP401x Series?
The ICs are packaged in compact Spin SOT23-5 or 6pin DFN(PLP)1820-6.
From: Ricoh RP401x Series Step-Up DC/DC Converters Datasheet
What is the minimum input voltage for the RP401x Series?
The converters can start-up from a typical 0.6V input voltage.
From: Ricoh RP401x Series PWM/VFM Step-up DC/DC Converter Datasheet
Can the output voltage be adjusted externally?
Yes, the output voltage can be selected from internally fixed levels or adjusted externally using a feedback voltage of 0.6V.
From: Ricoh RP401x Series PWM/VFM Step-up DC/DC Converter Datasheet