RT8297B Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

RT8297B is a 17.00 V sync Buck Converter from with 1.50 A output current. The maximum 17.00 V input voltage can be regulated down into a 0.80 V to 12.00 V output voltage.

It requires are a typical inductor size of 6.80 µH, a typical external component count of 6 and achieves a peak efficiency of 95 %. Further RT8297B characteristics are a fixed 800 kHz switching frequency and 1 available package option(s): DFN-8 .

For the RT8297B replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 4.00 V
V-IN max. 17.00 V
I-OUT? 1.50 A
V-OUT min. 0.80 V
V-OUT max. 12.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 800 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 1000 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 6.80 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 95 %
Component count min. 6
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

RT8297B Datasheet

Link to the most up-to-date RT8297B datasheet and the product page for EVM, tools and support information.

RT8297B

RT8297B Sample stock and distributor price breaks

RT8297B prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with RT8297B stock available

Available Distributors with stock: 0

no online Distributor with RT8297B stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to RT8297B. Optional, compare RT8297B side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AOZ1020AI AOZ1020AI product overviewAOZ1020AI product overview Alpha Omega SOIC-8
0% AOZ1022DI-01 AOZ1022DI-01 product overviewAOZ1022DI-01 product overview Alpha Omega DFN-8
0% AOZ1022PI AOZ1022PI product overviewAOZ1022PI product overview Alpha Omega SO-8-EP
0% AP6507 AP6507 product overviewAP6507 product overview Diodes SO-8EP
0% AP6508 AP6508 product overviewAP6508 product overview Diodes DFN-14
0% MAX15041 MAX15041 product overviewMAX15041 product overview Maxim TQFN-EP-16
0% MP1474 MP1474 product overviewMP1474 product overview MPS TSOT23-8
0% MP1475 MP1475 product overviewMP1475 product overview MPS TSOT23-8
0% MP2205A MP2205A product overviewMP2205A product overview MPS QFN-14
0% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
0% MP28253 MP28253 product overviewMP28253 product overview MPS QFN-14
0% MP28262 MP28262 product overviewMP28262 product overview MPS QFN-14
0% NCP3170A NCP3170A product overviewNCP3170A product overview ON Semiconductor SOIC-8
0% NCP3170B NCP3170B product overviewNCP3170B product overview ON Semiconductor SOIC-8
0% RT8297A RT8297A product overviewRT8297A product overview Richtek DFN-8
0% RT8299 RT8299 product overviewRT8299 product overview Richtek SOP-8, DFN-10
0% LM20323 LM20323 product overviewLM20323 product overview Texas Instruments HTSSOP-20
0% LM20333 LM20333 product overviewLM20333 product overview Texas Instruments HTSSOP-20
0% TS30022 TS30022 product overviewTS30022 product overview Triune Systems QFN-16
0% TS30023 TS30023 product overviewTS30023 product overview Triune Systems QFN-16
0% RT2853A RT2853A product overviewRT2853A product overview Richtek WQFN-16
0% RT2853B RT2853B product overviewRT2853B product overview Richtek WQFN-16
0% RT2858B RT2858B product overviewRT2858B product overview Richtek PSOP-8
0% MP1474S MP1474S product overviewMP1474S product overview MPS TSOT23-8
0% MP1475S MP1475S product overviewMP1475S product overview MPS TSOT23-8
0% MP9942 MP9942 product overviewMP9942 product overview MPS TSOT23-8
0% MP9943 MP9943 product overviewMP9943 product overview MPS TSOT23-8
10% MCP16322 MCP16322 product overviewMCP16322 product overview Microchip QFN-16
10% BD95821 BD95821 product overviewBD95821 product overview Rohm QFN-16
10% ZSPM4012 ZSPM4012 product overviewZSPM4012 product overview ZMDI QFN-16
10% ZSPM4012B ZSPM4012B product overviewZSPM4012B product overview ZMDI QFN-16
10% TS30012 TS30012 product overviewTS30012 product overview Triune Systems QFN-16
50% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16
50% MAX17502 MAX17502 product overviewMAX17502 product overview Maxim TSSOP-EP-14, TDFN-10
50% MCP16321 MCP16321 product overviewMCP16321 product overview Microchip QFN-16
50% LMR22007 LMR22007 product overviewLMR22007 product overview Texas Instruments DSBGA-9
50% TPS62160 TPS62160 product overviewTPS62160 product overview Texas Instruments SON-8
50% ZSPM4011 ZSPM4011 product overviewZSPM4011 product overview ZMDI QFN-16
50% ZSPM4011B ZSPM4011B product overviewZSPM4011B product overview ZMDI QFN-16
50% TS30111 TS30111 product overviewTS30111 product overview Triune Systems QFN-16
50% TS30011 TS30011 product overviewTS30011 product overview Triune Systems QFN-16
50% TS30021 TS30021 product overviewTS30021 product overview Triune Systems QFN-16
50% TPS62160-Q1 TPS62160-Q1 product overviewTPS62160-Q1 product overview Texas Instruments WSON-8
50% BD9E102 BD9E102 product overviewBD9E102 product overview Rohm SOP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RT8297B.

V-IN max. 17 V, I-OUT 1.5 A, V-OUT min. 0.8 V, Frequency typ. 800 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025002 2.2 1.8 2.4 57.00 2.8 x 2.8 x 3
74404024022 2.2 1.8 2.0 80.00 2.5 x 2 x 1.2
74404042022 2.2 2.2 3.4 42.00 4 x 4 x 1.8
74404052022 2.2 3.0 3.6 31.60 5 x 5 x 2
7440420018 1.8 2.4 2.4 40.00 4.8 x 4.8 x 2
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
7440430018 1.8 2.7 2.5 20.00 4.8 x 4.8 x 3
7440430022 2.2 2.5 2.4 27.00 4.8 x 4.8 x 3
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
7440450018 1.8 1.7 3.5 80.00 4.5 x 3.2 x 2.9
744045002 2.2 1.6 2.8 88.00 4.5 x 3.2 x 2.9
7440450027 2.7 1.5 2.7 96.00 4.5 x 3.2 x 2.9
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
744052002 2.5 2.4 2.7 20.00 5.8 x 5.8 x 2
744053002 2.6 3.0 2.7 20.00 5.8 x 5.8 x 3
744062002 2.2 3.4 2.7 10.00 6.8 x 6.8 x 2.5
7440680017 1.7 2.5 2.4 41.00 8 x 8 x 1.2
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
7440690022 2.2 2.8 2.9 35.00 8 x 8 x 1.5
7440700022 2.2 4.6 3.2 17.00 8 x 8 x 2
74408941022 2.2 2.1 3.6 66.08 4.8 x 4.8 x 2.1
74438324022 2.2 1.6 2.9 123.00 2.5 x 2 x 1.2
74438335022 2.2 1.8 3.5 94.00 3 x 3 x 1.5
744773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
744773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
744773027 2.7 2.3 3.0 39.00 4 x 4.5 x 3.5
7447785002 2.2 2.9 3.3 43.00 5.9 x 6.2 x 3.3
74479276222C 2.2 1.6 2.5 112.00 2 x 1.25 x 1
74479287222 2.2 1.5 2.5 132.00 2.5 x 2 x 1
74479288222 2.2 1.7 2.8 90.00 2.5 x 2 x 1.2
74479298222 2.2 1.8 3.5 96.00 3.2 x 2.5 x 1
74479299222 2.2 2.1 3.5 85.00 3.2 x 2.5 x 1.2
78438335022 2.2 1.8 3.5 94.00 3 x 3 x 1.5
784773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
784773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
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