5V, 4A Step-Down DC/DC Mini Module Demonstration Board with Adjustable 1.2V Output
The RTKA210040DR0000BU demonstration board features the RAA210040. Capable of delivering up to 4A of continuous current, the RAA210040 is a compact, synchronous...
The RAA210040 power module is a compact, synchronous step-down, non-isolated complete power supply, capable of delivering up to 4A of continuous current. By operating from a single 2.7V to 5.5V input power rail and integrating the controller, gate driver, power inductor, and MOSFETs, the RAA210040 is optimized for space-constrained applications.
Based on a peak current mode control scheme, the RAA210040 provides fast transient response and excellent loop stability. The output voltage can be set as low as 0.6V, with setpoint accuracy better than 1.5% over line, load, and temperature. The operating frequency has a 2MHz default setting; however, it can also be set from 500kHz to 4MHz by an external resistor. The external synchronization is supported with an external clock signal up to 4MHz. The RAA210040 supports a 100% duty cycle operation to minimize the switching losses and allows less than 200mV dropout voltage. A dedicated enable pin and power-good flag allows for easy system power rails sequencing.
An array of protection features, including input Undervoltage Lockout (UVLO), Overcurrent Protection (OCP), output Overvoltage Protection (OVP), and Over-temperature Protection (OTP), ensures safe operations under abnormal operating conditions.
RAA210040 | RAA210030 | |
Input Voltage (Max) (V) | 5.5 | 5.5 |
Input Voltage (Min) (V) | 2.7 | 2.7 |
Output Current (Max) [Rail 1] (A) | 4 | 3 |
Output Voltage (Max) (V) | 5 | 5 |
Output Voltage (Min) (V) | 0.6 | 0.6 |
Peak Efficiency (%) | 95 | 95 |
Qualification Level | Standard | Standard |
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PDF 987 KB | Datasheet | |
PDF 5.51 MB 日本語 | Brochure | |
PDF 930 KB | Technical Brief | |
PDF 462 KB 日本語 , 简体中文 | White Paper | |
PDF 295 KB | White Paper | |
PDF 509 KB | Application Note | |
PDF 397 KB | Application Note | |
PDF 980 KB | Other | |
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iSim:PE Offline Simulation Tool iSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs.
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Simulator | Renesas |
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The RTKA210040DR0000BU demonstration board features the RAA210040. Capable of delivering up to 4A of continuous current, the RAA210040 is a compact, synchronous...
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
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Select an orderable part number:
Orderable Part ID | Sample |
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RAA2100404GLG#HD0 | Availability |
An overview of Renesas’ digital and analog power module lineup which are designed to have excellent efficiency, output voltage accuracy and transient response in the best form factor. The RAA210130 digital power module is designed for high current applications (30A) while mini modules RAA210030 and RAA210040 target low current applications requiring an extremely small form factor.
Power Modules Continue to Gain Adoption as Benefits Increase Through Innovation | Blog Post | May 22, 2023 |