Renesas RTKA211835DE0000BU Manual
  1. Manuals
  2. Brands
  3. Renesas Manuals
  4. Motherboard
  5. RTKA211835DE0000BU
  6. Manual

Renesas RTKA211835DE0000BU Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
RTKA211835DE0000BU
The RTKA211835DE0000BU board demonstrates
and quickly evaluates the
a DC/DC asynchronous step-down regulator with
programmable switching frequency.
The RAA211835 supports a wide input voltage range
(from 4.5V to 75V) and adjustable output voltage. It
can deliver up to continuous 3A output current with
premium load regulation and line regulation
performance.
Specifications
The design specifications of the
RTKA211835DE0000BU are shown below:
▪ Input voltage (V
): 4.5V to 75V
IN
▪ Output voltage (V
OUT
▪ Maximum output current: 3A
V
IN
Up to 75V
R16UZ0060EU0100 Rev.1.00
Nov 4, 2022
RAA211835
(QFN version),
): 3.3V
C
IN2
VIN
C
R
IN1
IN1
EN
R
IN2
RAA211835
PGND
VCC
FS
VCC
SS
PG
AGND
Figure 1. RAA211835 Typical Application
Evaluation Board Manual
Features
▪ Simple and flexible design
▪ 4.5V to 75V V
▪ Convenient power conversion
BST
C
BOOT
SW
L
R
FB1
FB
R
FB2
EBIAS
VCC
C
VCC
range
IN
V
3.3V
OUT
C
OUT
3×22µF
© 2022 Renesas Electronics
Page 1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RTKA211835DE0000BU and is the answer not in the manual?

Questions and answers

Related Manuals for Renesas RTKA211835DE0000BU

Summary of Contents for Renesas RTKA211835DE0000BU

  • Page 1 Evaluation Board Manual RTKA211835DE0000BU Features The RTKA211835DE0000BU board demonstrates and quickly evaluates the RAA211835 (QFN version), ▪ Simple and flexible design a DC/DC asynchronous step-down regulator with ▪ 4.5V to 75V V range programmable switching frequency. ▪ Convenient power conversion The RAA211835 supports a wide input voltage range (from 4.5V to 75V) and adjustable output voltage.

  • Page 2: Table Of Contents

    RTKA211835DE0000BU Evaluation Board Manual Contents Functional Description ..............3 Operational Characteristics .

  • Page 3: Functional Description

    The RAA211835 (QFN version) is an easy-to-use asynchronous Buck switching regulator with an integrated 155mΩ high-side MOSFETs. The RTKA211835DE0000BU board demonstrates the operations of RAA211835 (QFN version). It allows the user to evaluate the performance of the device with different application circuits and provides the user a reference for a board layout.

  • Page 4: Board Design

    RTKA211835DE0000BU Evaluation Board Manual Board Design Figure 3. RTKA211835DE0000BU Evaluation Board (Top) Layout Guidelines For detailed layout guidelines reference the Layout Guidelines section in the RAA211835 Datasheet. R16UZ0060EU0100 Rev.1.00 Page 4 Nov 4, 2022...

  • Page 5: Schematic Diagrams

    Schematic Diagrams TP12 TP13 UNNAMED_3_SMRES_I10_B UNNAMED_3_CONN2_I72_IN1 UNNAMED_3_SMCAP_I22_A UNNAMED_3_RAA211835_I1_4 0.1UF VOUT UNNAMED_3_SMRES_I58_B 6.8UH RAA211835GNP UNNAMED_3_RAA211835_I1_5 EBIAS VOUT PGND RAA211835 Figure 4. RTKA211835DE0000BU Schematic...

  • Page 6: Bill Of Materials

    RTKA211835DE0000BU Evaluation Board Manual Bill of Materials Reference Description Manufacturer Manufacturer Part Number Designator C8, C9, C10 CAP, SMD, 1210, 22µF, 16V, 10%, X7R, ROHS Murata GRM32ER71C226KE18L CAP, SMD, 0603, 1.0µF, 16V, 10%, X7R, ROHS C1608X7R1C105K CAP, SMD, 0603, 0.1µF, 16V, 10%, X7R, ROHS...

  • Page 7: Board Layout

    RTKA211835DE0000BU Evaluation Board Manual Board Layout Figure 5. Silkscreen Top Layer Figure 6. Top Layer R16UZ0060EU0100 Rev.1.00 Page 7 Nov 4, 2022...
  • Page 8 RTKA211835DE0000BU Evaluation Board Manual Figure 7. Second Layer Figure 8. Third Layer R16UZ0060EU0100 Rev.1.00 Page 8 Nov 4, 2022...

  • Page 9: Typical Performance Graphs

    RTKA211835DE0000BU Evaluation Board Manual Figure 9. Bottom Layer Typical Performance Graphs 3.50 3.45 3.40 3.35 3.30 3.25 3.20 3.15 3.10 3.05 3.00 Load Current (A) Load Current (A) Figure 10. Efficiency vs Load Figure 11. Load Regulation R16UZ0060EU0100 Rev.1.00 Page 9...
  • Page 10 RTKA211835DE0000BU Evaluation Board Manual Figure 12. Steady State at 0.2A Load Figure 13. Steady State at 2A Load Figure 14. Startup by EN at 1A Load Figure 16. Shutdown by EN at 1A Load Figure 15. Figure 17. Overcurrent Protection Figure 18.

  • Page 11: Ordering Information

    RTKA211835DE0000BU Evaluation Board Manual Ordering Information Part Number Description RTKA211835DE0000BU RAA211835 (QFN version) evaluation board Revision History Revision Date Description 1.00 Nov 4, 2022 Initial release R16UZ0060EU0100 Rev.1.00 Page 11 Nov 4, 2022...
  • Page 12 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.

This manual is also suitable for:

Raa211835

Table of Contents