RTKA211651DE0000BU
The
RAA211651
is an integrated 60V, 5A
synchronous buck regulator with constant on time
modulating scheme. It supports a wide input voltage
range from 4.5V to 60V and adjustable output voltage.
The RAA211651 is offered in a 28Ld QFN package.
The RTKA211651DE0000BU evaluation board
provides a quick and comprehensive platform for
evaluating the high-performance features of
RAA2116510 buck regulator.
The RTKA211651DE0000BU evaluation board
operates from a supply voltage of 4.5V to 60V
the capability of delivering continuous load of 5A.
R
RAA211651
SET
SET
PG
R
PG
COMP
SS
AVCC
R
AVCC
C
AVCC
PVCC
PGND
C
PVCC
Figure 1. RTKA211651DE0000BU Block Diagram
R16UH0013EU0100 Rev.1.0
May 6, 2021
PVIN
EN
BOOT
C
BOOT
L
PHASE
EBIAS
R
FB1
C
EBIAS
FB
R
FB2
V3_DLY
C
DLY
AGND
Features
▪ Switch selectable EN or option to drive it by
external signal
▪ Internal and external compensation options
▪ Internal and external soft-start options
▪ Adjustable delay time options
▪ Options to connect EBIAS to V
external source
▪ Output voltage programmable with external
with
feedback resistors
DC
▪ Options to use internal feedback resistors for 3.3V
V
OUT
▪ Connectors and test points for easy probing and
VIN
data acquisition
C
IN
Specifications
This board is configured and optimized for the
EN
following operating conditions:
▪ Input voltage range:4.5V to 60V
V
OUT
(3.3V)
▪ Output voltage: 3.3V
▪ Up to 5A output current capability
C
OUT
▪ Internal compensation
▪ Internal soft-start of 2ms
▪ Start-up/shutdown delay of 2ms
▪ EBIAS is connected to V
▪ Operating temperature range: -40°C to +125°C
Evaluation Board Manual
OUT
OUT
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