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RTKA211605DR0000BU
The RTKA211605DR0000BU board is designed to
demonstrate and quickly evaluate the RAA211605, a
DC/DC step-down regulator with 450kHz switching
frequency.
The RAA211605 supports a wide input voltage range
(from 4.5V to 60V) and adjustable output voltage. It
can deliver up to 0.5A continuous output current with
premium load regulation and line regulation
performance.
V
Up to 60V
IN
C
IN
R16UZ0012EU0100 Rev.1.0
Jul 13, 2021
VIN
R
IN1
EN
R
IN2
RAA211605
GND
Figure 1. Block Diagram
Demonstration Board Manual
Features
▪ Simple and flexible design
▪ 4.5V to 60V V
IN
▪ Convenient power conversion
Specifications
The following are the design specifications for the
RTKA211605DR0000BU:
▪ Input voltage (V
IN
▪ Output voltage (V
▪ Max. output current: 0.5A
BST
C
BOOT
SW
L
1
D
1
R
FB1
FB
R
FB2
range
): 4.5V to 60V
): 3.3V
OUT
V
OUT
C
OUT
© 2021 Renesas Electronics
Page 1
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Table of Contents
Related Manuals for Renesas RTKA211605DR0000BU
Summary of Contents for Renesas RTKA211605DR0000BU
- Page 1 Demonstration Board Manual RTKA211605DR0000BU Features The RTKA211605DR0000BU board is designed to demonstrate and quickly evaluate the RAA211605, a ▪ Simple and flexible design DC/DC step-down regulator with 450kHz switching ▪ 4.5V to 60V V range frequency. ▪ Convenient power conversion The RAA211605 supports a wide input voltage range (from 4.5V to 60V) and adjustable output voltage.
-
Page 2: Table Of Contents
RTKA211605DR0000BU Demonstration Board Manual Contents Functional Description ..............3 Operating Range . -
Page 3: Functional Description
The RAA211605 is an easy-to-use Buck switching regulator with an integrated 600mΩ high-side MOSFET. The RTKA211605DR0000BU board demonstrates the operations of RAA211605. It allows you to evaluate the performance of the part with different application circuits. It also provides you a reference for board layout. -
Page 4: Board Design
RTKA211605DR0000BU Demonstration Board Manual Board Design Figure 3. RTKA211605DR0000BU Top View R16UZ0012EU0100 Rev.1.0 Page 4 Jul 13, 2021... -
Page 5: Circuit Schematic
Circuit Schematic 0.1UF UNNAMED_1_CONN2_I15_IN1 UNNAMED_1_SMCAP_I16_A 22UH UNNAMED_1_RAA211605_I1_1A UNNAMED_1_RAA211605_I1_6 UNNAMED_1_RAA211605_I1_3 RAA211605 Figure 4. RTKA211605DR0000BU Schematic... -
Page 6: Bill Of Materials
RTKA211605DR0000BU Demonstration Board Manual Bill of Materials Ref Des Description Manufacturer Part Number CAP, SMD, 1210, 10µF, 16V, 10%, X7R, ROHS Murata GRM32DR71C106KA01L CAP, SMD, 0603, 0.1µF, 16V, 10%, X7R, ROHS Murata GCM188R71C104KA37D CAP, SMD, 1210, 2.2µF, 100V, 10%, X7R, ROHS... - Page 7 RTKA211605DR0000BU Demonstration Board Manual Figure 6. Top Layer Figure 7. Bottom Layer R16UZ0012EU0100 Rev.1.0 Page 7 Jul 13, 2021...
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Page 8: Typical Performance Curves
RTKA211605DR0000BU Demonstration Board Manual Typical Performance Curves = 24V, V = 3.3V, T = +25°C, unless otherwise noted. 20mV/Div 20mV/Div 20V/Div PHASE 20V/Div PHASE 200mA/Div 200mA/Div 2ms/Div 1µs/Div Figure 8. Output Ripple at No Load Figure 9. Output Ripple at Full Load... -
Page 9: Ordering Information
RTKA211605DR0000BU Demonstration Board Manual = 24V, V = 3.3V, T = +25°C, unless otherwise noted. (Cont.) Vin = 4.5V Vin = 12V Vin = 4.5V Vin = 12V Vin = 24V Vin = 36V Vin = 24V Vin = 36V... - Page 10 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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