MAX1927 Buck Converter overview

Description

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MAX1927 is a 5.50 V sync Buck Converter from with 0.80 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.75 V to 5.00 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 7 and achieves a peak efficiency of 96 %. Further MAX1927 characteristics are a fixed 1000 kHz switching frequency and 1 available package option(s): µMAX-10 .

For the MAX1927 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. 2.60 V
V-IN max. 5.50 V
I-OUT? 0.80 A
V-OUT min. 0.75 V
V-OUT max. 5.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 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. 240 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 150 °C
thermal shutdown typ. 160 °C
Inductor size typ. 4.70 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 96 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN µMAX-10
SO/SOIC
SOP
DIP
TO
DDPAK

MAX1927 Datasheet

Link to the most up-to-date MAX1927 datasheet and the product page for EVM, tools and support information.

MAX1927

MAX1927 Sample stock and distributor price breaks

MAX1927 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with MAX1927 stock available

Available Distributors with stock: 0

no online Distributor with MAX1927 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MAX1927. Optional, compare MAX1927 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2120 ADP2120 product overviewADP2120 product overview Analog Devices QFN-10
0% ISL80019 ISL80019 product overviewISL80019 product overview Intersil DFN-8
0% ISL80019A ISL80019A product overviewISL80019A product overview Intersil DFN-8
0% ISL9106 ISL9106 product overviewISL9106 product overview Intersil DFN-10
0% ISL9107 ISL9107 product overviewISL9107 product overview Intersil DFN-8
0% LTC1875 LTC1875 product overviewLTC1875 product overview Linear Technology TSSOP-16
0% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16
0% LTC3606B LTC3606B product overviewLTC3606B product overview Linear Technology DFN-8
0% MP2158 MP2158 product overviewMP2158 product overview MPS QFN-8
0% MP2159 MP2159 product overviewMP2159 product overview MPS TSOT23-8
0% NCP6332 NCP6332 product overviewNCP6332 product overview ON Semiconductor WDFN-8
0% AAT2503 AAT2503 product overviewAAT2503 product overview Skyworks QFN-20
0% AAT2504 AAT2504 product overviewAAT2504 product overview Skyworks QFN-20
0% TLV62566 TLV62566 product overviewTLV62566 product overview Texas Instruments SOT23-5
0% TS30021 TS30021 product overviewTS30021 product overview Triune Systems QFN-16
0% MIC23156 MIC23156 product overviewMIC23156 product overview Micrel MLF-17, WLCSP-16
0% BD9A100MUV BD9A100MUV product overviewBD9A100MUV product overview Rohm VQFN-16
0% MP2159A MP2159A product overviewMP2159A product overview MPS TSOT23-8
10% ACT8309 ACT8309 product overviewACT8309 product overview Active Semi TDFN-8
10% ACT8310 ACT8310 product overviewACT8310 product overview Active Semi TDFN-8
10% MAX17502 MAX17502 product overviewMAX17502 product overview Maxim TSSOP-EP-14, TDFN-10
10% BD9123MUV BD9123MUV product overviewBD9123MUV product overview Rohm QFN-16
10% LMR22007 LMR22007 product overviewLMR22007 product overview Texas Instruments DSBGA-9
10% TPS62160 TPS62160 product overviewTPS62160 product overview Texas Instruments SON-8
10% TS30111 TS30111 product overviewTS30111 product overview Triune Systems QFN-16
10% TS30011 TS30011 product overviewTS30011 product overview Triune Systems QFN-16
10% TPS62160-Q1 TPS62160-Q1 product overviewTPS62160-Q1 product overview Texas Instruments WSON-8
25% ISL8010 ISL8010 product overviewISL8010 product overview Intersil MSOP-10
25% LTC3447 LTC3447 product overviewLTC3447 product overview Linear Technology DFN-10
25% AAT2505 AAT2505 product overviewAAT2505 product overview Skyworks TDFN-12

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1927.

V-IN max. 5.5 V, I-OUT 0.8 A, V-OUT min. 0.75 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
744028002 2.2 1.3 1.0 125.00 2.8 x 2.8 x 1.2
744029002 2.2 1.5 1.2 88.00 2.8 x 2.8 x 1.5
744031002 2.5 1.5 1.3 50.00 3.8 x 3.8 x 1.8
74404024022 2.2 1.8 2.0 80.00 2.5 x 2 x 1.2
74404024033 3.3 1.4 1.3 120.00 2.5 x 2 x 1.2
74404032022 2.2 1.8 1.7 50.00 3 x 3 x 1.5
74404032033 3.3 1.5 1.5 70.00 3 x 3 x 1.5
744042003 3.3 2.0 1.8 50.00 4.8 x 4.8 x 2
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
744043003 3.3 2.2 1.8 30.00 4.8 x 4.8 x 3
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440680033 3.3 2.0 1.8 61.00 8 x 8 x 1.2
74479275222 2.2 1.3 1.7 166.00 2 x 1.25 x 1
74479276222 2.2 1.4 1.8 135.00 2 x 1.6 x 1
74479888222 2.2 1.2 1.4 200.00 2.5 x 2 x 1
74479888233 3.3 1.1 1.1 250.00 2.5 x 2 x 1
74479889222 2.2 1.3 1.7 250.00 2.5 x 2 x 1.2
74479889233 3.3 1.3 1.3 250.00 2.5 x 2 x 1.2
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