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RTKA214220DR0000BU
Demonstration Board
The RTKA214220DR0000BU demonstration board provides a simple platform for demonstrating the RAA214220
20V 150mA LDO linear regulator. The board features convenient connection points for input, output, in addition to
Enable. With a small form factor, the board can be integrated into another system as a daughter card or a module.
The RAA214220 is offered in a 5Ld TSOT23 package. The RTKA214220DR0000BU evaluation board operates
from a supply voltage of 2.5V to 20V DC with the flexibility of regulating different output voltages from 1.2266V to
18V at a load up to 150mA.
Key Features
▪ Wide input voltage range 2.5V to 20V
▪ Adjustable and accurate output voltage from 1.2266V to 18V
▪ Excellent line and load regulation
▪ Stable with as low as 1µF MLCC output capacitor
▪ Integrated fault protections including over-temperature shutdown and current limit
Specifications
This board is specified for the following operating conditions:
• V
supply: 2.5V to 20V
IN
• V
: adjustable between 1.2266V and 18V by changing output resistor divider
OUT
• Load step: up to 150mA
• Short-circuit current limit: 220mA
Ordering Information
Part Number
RTKA214220DR0000BU
Related Literature
For a full list of related documents, visit our website:
▪
RAA214220
device page
X0119213 Rev.1.0
Jun.16.21
RAA214220 demonstration board
User Manual
Description
Page 1
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Summary of Contents for Renesas RTKA214220DR0000BU
- Page 1 Enable. With a small form factor, the board can be integrated into another system as a daughter card or a module. The RAA214220 is offered in a 5Ld TSOT23 package. The RTKA214220DR0000BU evaluation board operates from a supply voltage of 2.5V to 20V DC with the flexibility of regulating different output voltages from 1.2266V to 18V at a load up to 150mA.
- Page 2 RTKA214220DR0000BU User Manual VOUT VOUT RAA214220 VOUT VOUT RAA214220 Figure 1. RAA214220 Typical Application Block Diagrams X0119213 Rev.1.0 Page 2 Jun.16.21...
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Page 3: Functional Description
RTKA214220DR0000BU User Manual 1. Functional Description The RTKA214220DR0000BU provides you with an easy setup to demonstrate the functionality of the RAA214220 LDO linear regulator. This demonstration board includes an input capacitor, output capacitor, and a resistor divider to set the output voltage. Connectors for input, output, and the Enable signal are populated on the board to allow for simple connections. -
Page 4: Board Design
Place the components connected to the ADJ pin as close to the pin as possible to allow shortest possible routing; with this method, the parasitic capacitance on the pin is minimized. RTKA214220DR0000BU Evaluation Board Figure 2. RTKA214220DR0000BU Evaluation Board (Top) X0119213 Rev.1.0 Page 4... - Page 5 RTKA214220DR0000BU Circuit Schematic TO23 VOUT VOUT UNNAMED_2_RAA214220_I14_ADJ UNNAMED_2_RAA214220_I14_EN RAA214220 Figure 3. Schematic...
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Page 6: Bill Of Materials
RTKA214220DR0000BU User Manual Bill of Materials Reference Manufacturer Designator Description Manufacturer Part Number TP1-TP5 Miniature White Test Point Keystone 5002 Ceramic Chip Cap, 4.7µF CGA6M3X7S2A475K200AB Ceramic Cap, 2.2µF Murata GRM21BR71E225KA73L Thick Film Chip Resistor, 100kΩ Generic Various Thick Film Chip Resistor, 57.6Ω... -
Page 7: Board Layout
RTKA214220DR0000BU User Manual Board Layout Figure 4. Silkscreen Top Layer Figure 5. Layer 1 Figure 6. Layer 2 Figure 7. Silkscreen Bottom Layer X0119213 Rev.1.0 Page 7 Jun.16.21... -
Page 8: Revision History
RTKA214220DR0000BU User Manual 3. Revision History Revision Date Description Jun.16.21 Initial release X0119213 Rev.1.0 Page 8 Jun.16.21... -
Page 9: Corporate Headquarters
Renesas' products are provided only subject to Renesas' Terms and Conditions of Sale or other applicable terms agreed to in writing. No use of any Renesas resources expands or otherwise alters any applicable warranties or warranty disclaimers for these products.
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