Renesas RTKA211820DE0010BU Manual
  1. Manuals
  2. Brands
  3. Renesas Manuals
  4. Motherboard
  5. RTKA211820DE0010BU
  6. Manual

Renesas RTKA211820DE0010BU Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
RTKA211820DE0010BU
The RTKA211820DE0010BU board demonstrates
and quickly evaluates the
version), a DC/DC synchronous step-down regulator
with programmable switching frequency.
The RAA211820 supports a wide input voltage range
(from 4.5V to 75V) and adjustable output voltage. It
delivers up to a continuous 2A output current with
premium load regulation and line regulation
performance.
V
IN
Up to 75V
R16UZ0046EU0100 Rev.1.00
Jul 1, 2022
RAA211820
(HTSSOP
C
IN2
VIN
C
R
IN1
IN1
EN
R
IN2
RAA211820
PGND
VCC
FS
VCC
SS
PG
AGND
Figure 1. Block Diagram
Evaluation Board Manual
Features
▪ Simple and flexible design
▪ 4.5V to 75V V
▪ Convenient power conversion
Specifications
The following are the design specifications for the
RTKA211820DE0010BU:
▪ Input voltage (V
▪ Output voltage (V
▪ Maximum output current: 2A
BST
C
BOOT
SW
L
R
FB1
FB
R
FB2
EBIAS
VCC
C
VCC
range
IN
): 4.5V to 75V
IN
): 3.3V
OUT
V
OUT
C
C
OUT1
OUT2
22µF
22µF
© 2022 Renesas Electronics
Page 1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RTKA211820DE0010BU and is the answer not in the manual?

Questions and answers

Related Manuals for Renesas RTKA211820DE0010BU

Summary of Contents for Renesas RTKA211820DE0010BU

  • Page 1 Evaluation Board Manual RTKA211820DE0010BU Features The RTKA211820DE0010BU board demonstrates and quickly evaluates the RAA211820 (HTSSOP ▪ Simple and flexible design version), a DC/DC synchronous step-down regulator ▪ 4.5V to 75V V range with programmable switching frequency. ▪ Convenient power conversion The RAA211820 supports a wide input voltage range (from 4.5V to 75V) and adjustable output voltage.

  • Page 2: Table Of Contents

    RTKA211820DE0010BU Evaluation Board Manual Contents Functional Description ..............3 Operational Characteristics .

  • Page 3: Functional Description

    The RAA211820 (HTSSOP version) is an easy-to-use synchronous Buck switching regulator with an integrated 215mΩ/115mΩ high-side/low-side MOSFETs. The RTKA211820DE0010BU board demonstrates the operations of RAA211820 (HTSSOP version). The board allows you to evaluate the performance of the part with different application circuits, and it provides you with a reference for a board layout.

  • Page 4: Board Design

    RTKA211820DE0010BU Evaluation Board Manual Board Design Figure 3. RTKA211820DE0010BU Evaluation Board (Top) Figure 4. RTKA211820DE0010BU Evaluation Board (Bottom) Layout Guidelines For detailed layout guidelines, reference the Layout Guidelines section in the RAA211820 Datasheet. R16UZ0046EU0100 Rev.1.00 Page 4 Jul 1, 2022...

  • Page 5: Schematic Diagram

    Schematic Diagram UNNAMED_1_CONN2_I41_IN1 VOUT UNNAMED_1_SMRES_I24_B PGND 10UH PGND PGND UNNAMED_1_RAA211820_I47_13 0.1UF UNNAMED_1_RAA211820_I47_12 EBIAS VOUT UNNAMED_1_RAA211820_I47_11 UNNAMED_1_RAA211820_I47_7 AGND EPAD RAA2118204GSP 100K Figure 5. RTKA211820DE0010BU Schematic...

  • Page 6: Bill Of Materials

    RTKA211820DE0010BU Evaluation Board Manual Bill of Materials Manufacturer Reference Description Manufacturer Designator Part Number CAP, SMD, 0603, 39000pF, 25V, 10%, X7R, RoHS Panasonic ECJ-1VB1E393K 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

    RTKA211820DE0010BU Evaluation Board Manual Board Layout Figure 6. Top Layer Figure 7. Second Layer R16UZ0046EU0100 Rev.1.00 Page 7 Jul 1, 2022...
  • Page 8 RTKA211820DE0010BU Evaluation Board Manual Figure 8. Third Layer Figure 9. Fourth Layer R16UZ0046EU0100 Rev.1.00 Page 8 Jul 1, 2022...

  • Page 9: Typical Performance Graphs

    RTKA211820DE0010BU Evaluation Board Manual Typical Performance Graphs VIN = 4.5, -40 VIN = 24, -40 VIN = 76, -40 VIN = 4.5, +25 VIN = 24, +25 VIN = 76, +25 VIN = 4.5, +85 VIN = 24, +85 VIN = 76, +85 -0.1...

  • Page 10: Ordering Information

    RTKA211820DE0010BU Evaluation Board Manual SW 20V/Div 2V/Div 0.1V/Div SW 35V/Div 2A/Div 2A/Div PG 5V/Div Load 2A/Div 40µs/Div 800µs/Div Figure 16. Overcurrent Protection Figure 17. Load Transient 1A to 2A to 1A Ordering Information Part Number Description RTKA211820DE0010BU RAA211820 (HTSSOP version) evaluation board...
  • Page 11 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.

Table of Contents