MAX1734 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

MAX1734 is a 5.50 V sync Buck Converter from with 0.25 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.50 V to 1.80 V output voltage.

It requires are a typical inductor size of 10.00 µH, a typical external component count of 3 and achieves a peak efficiency of 93 %. Further MAX1734 characteristics are a fixed 1200 kHz switching frequency and 1 available package option(s): SOT23-5 .

For the MAX1734 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. 2.70 V
V-IN max. 5.50 V
I-OUT? 0.25 A
V-OUT min. 1.50 V
V-OUT max. 1.80 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1200 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 no
Quiescent current max. 70 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 150 °C
thermal shutdown typ.
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 93 %
Component count min. 3
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT SOT23-5
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

MAX1734 Datasheet

Link to the most up-to-date MAX1734 datasheet and the product page for EVM, tools and support information.

MAX1734

MAX1734 Sample stock and distributor price breaks

MAX1734 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 1

Digi-Key (2)

ProductStockPriceBuy
MAX1734EUK15+5000
14.49 USD
104.23 USD
253.39 USD
503.22 USD
1002.96 USD
2502.81 USD
5002.15 USD
Buy Now
MAX1734EUK18+5000
14.49 USD
104.23 USD
253.39 USD
503.22 USD
1002.96 USD
2502.81 USD
5002.15 USD
Buy Now
MAX1734EUK15+T0
25002.08 USD
Buy Now
MAX1734EUK15+T0
10.00 USD
Buy Now
MAX1734EUK15+T0
10.00 USD
Buy Now
MAX1734EUK18+T0
25002.08 USD
Buy Now
MAX1734EUK18+T0
10.00 USD
Buy Now
MAX1734EUK18+T0
10.00 USD
Buy Now
MAX1734EUK18+TG1040
00.00 USD
Buy Now

Available Distributors without stock: 2

Avnet America (0)

ProductStockPriceBuy
MAX1734EUK15+0
00.00 USD
Buy Now
MAX1734EUK15+T0
25002.34 USD
50002.30 USD
100002.24 USD
150002.15 USD
250002.11 USD
Buy Now
MAX1734EUK18+0
00.00 USD
Buy Now
MAX1734EUK18+T0
25002.34 USD
50002.30 USD
100002.24 USD
150002.15 USD
250002.11 USD
Buy Now

Avnet Europe (0)

ProductStockPriceBuy
MAX1734EUK15+T0Buy Now
MAX1734EUK18+T0Buy Now

Available Distributors with stock: 2

Digi-Key

ProductStockPriceBuy
MAX1734EUK15+ 5000
5001.82 €
2502.38 €
1002.51 €
502.73 €
252.87 €
103.59 €
13.81 €
Buy Now
MAX1734EUK18+ 5000
5001.82 €
2502.38 €
1002.51 €
502.73 €
252.87 €
103.59 €
13.81 €
Buy Now
MAX1734EUK15+T 0
25001.77 €
Buy Now
MAX1734EUK15+T 0 Buy Now
MAX1734EUK15+T 0 Buy Now
MAX1734EUK18+T 0
25001.77 €
Buy Now
MAX1734EUK18+T 0 Buy Now
MAX1734EUK18+T 0 Buy Now
MAX1734EUK18+TG104 0 Buy Now
show stock=0hide stock=0

Rochester Electronics

ProductStockPriceBuy
MAX1734EUK15 1172
15.43 $
255.04 $
1004.84 $
5004.64 $
10004.41 $
Buy Now
MAX1734EVKIT 34
1105.30 $
2597.78 $
10093.76 $
50090.06 $
100085.56 $
Buy Now

Available Distributors without stock: 2

Avnet

ProductStockPriceBuy
MAX1734EUK15+ 0
MAX1734EUK18+ 0
MAX1734EUK15+T 0
25002.34 $
50002.30 $
100002.24 $
150002.15 $
250002.11 $
Buy Now
MAX1734EUK18+T 0
25002.34 $
50002.30 $
100002.24 $
150002.15 $
250002.11 $
Buy Now
MAX1734EUK15+T 0
25002.34 €
50002.25 €
100002.16 €
150002.01 €
250001.87 €
Buy Now
MAX1734EUK18+T 0
25002.34 €
50002.25 €
100002.16 €
150002.01 €
250001.87 €
Buy Now

Mouser Electronics

ProductStockPriceBuy
MAX1734EUK15+T 0
25002.04 $
Buy Now
MAX1734EUK18+T 0
25002.04 $
Buy Now
MAX1734EUK15-T 0 Buy Now
MAX1734EUK18-T 0 Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MAX1734. Optional, compare MAX1734 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AOZ1605DI AOZ1605DI product overviewAOZ1605DI product overview Alpha Omega DFN
0% ISL9103A ISL9103A product overviewISL9103A product overview Intersil TDFN-6
0% ISL9104A ISL9104A product overviewISL9104A product overview Intersil TDFN-6
0% LTC1627 LTC1627 product overviewLTC1627 product overview Linear Technology SO-8
0% LTC3103 LTC3103 product overviewLTC3103 product overview Linear Technology DFN-10, MSOP-10
0% LTC3542 LTC3542 product overviewLTC3542 product overview Linear Technology DFN-6, SOT23
0% LTC3549 LTC3549 product overviewLTC3549 product overview Linear Technology DFN-6
0% LTC3563 LTC3563 product overviewLTC3563 product overview Linear Technology DFN-6
0% LTC3630 LTC3630 product overviewLTC3630 product overview Linear Technology DFN-16, MSOP-16
0% MAX1733 MAX1733 product overviewMAX1733 product overview Maxim SOT23-5
0% MAX17501 MAX17501 product overviewMAX17501 product overview Maxim TQFN-16
0% MAX1920 MAX1920 product overviewMAX1920 product overview Maxim TDFN-EP-6, SOT23-6
0% MAX1921 MAX1921 product overviewMAX1921 product overview Maxim SOT23-6
0% MAX8560 MAX8560 product overviewMAX8560 product overview Maxim DFN-8, TSOT23-5
0% MAX8561 MAX8561 product overviewMAX8561 product overview Maxim TDFN-EP-8
0% MAX8562 MAX8562 product overviewMAX8562 product overview Maxim TDFN-EP-8
0% MAX8640Y MAX8640Y product overviewMAX8640Y product overview Maxim u00b5DFN-6
0% MAX8640Z MAX8640Z product overviewMAX8640Z product overview Maxim u00b5DFN-6
0% MIC23030 MIC23030 product overviewMIC23030 product overview Micrel MLF-6
0% MIC23031 MIC23031 product overviewMIC23031 product overview Micrel MLF-6
0% MCP1601 MCP1601 product overviewMCP1601 product overview Microchip MSOP-8
0% MCP1602 MCP1602 product overviewMCP1602 product overview Microchip DFN-8, MSOP-8
0% DC6M502X6-1.2-1.5-A DC6M502X6-1.2-1.5-A product overviewDC6M502X6-1.2-1.5-A product overview NXP CSP-6
0% DC6M502X6-1.2-1.8-A DC6M502X6-1.2-1.8-A product overviewDC6M502X6-1.2-1.8-A product overview NXP CSP-6
0% DC6M502X6-1.5-1.8-A DC6M502X6-1.5-1.8-A product overviewDC6M502X6-1.5-1.8-A product overview NXP CSP-6
0% BD9122GUL BD9122GUL product overviewBD9122GUL product overview Rohm CSP-8
0% SC195 SC195 product overviewSC195 product overview Semtech MLPQ-8
0% SC202A SC202A product overviewSC202A product overview Semtech MLPQ-13
0% AAT1120 AAT1120 product overviewAAT1120 product overview Skyworks STDFN-8
0% AAT1121 AAT1121 product overviewAAT1121 product overview Skyworks TDFN-8
0% AAT1130 AAT1130 product overviewAAT1130 product overview Skyworks SC70-8
0% AAT2120 AAT2120 product overviewAAT2120 product overview Skyworks STDFN-8
0% AAT2500 AAT2500 product overviewAAT2500 product overview Skyworks TDFN-12
0% AAT2500M AAT2500M product overviewAAT2500M product overview Skyworks TSOPJW-12
0% SKY87250 SKY87250 product overviewSKY87250 product overview Skyworks DFN-8
0% LM2619 LM2619 product overviewLM2619 product overview Texas Instruments DSBGA-10
0% LM3670 LM3670 product overviewLM3670 product overview Texas Instruments SOT23-5
0% LM3673 LM3673 product overviewLM3673 product overview Texas Instruments DSBGA-5
0% TPS560200 TPS560200 product overviewTPS560200 product overview Texas Instruments SOT23-5
0% TPS62170 TPS62170 product overviewTPS62170 product overview Texas Instruments SON-8
0% TPS62175 TPS62175 product overviewTPS62175 product overview Texas Instruments WSON-10
0% TPS62200 TPS62200 product overviewTPS62200 product overview Texas Instruments SOT23-5
0% TPS62220 TPS62220 product overviewTPS62220 product overview Texas Instruments TSOT23-5
0% TPS62240 TPS62240 product overviewTPS62240 product overview Texas Instruments SON-6, SOT-5
0% TPS62300 TPS62300 product overviewTPS62300 product overview Texas Instruments SON-10, DSBGA-8
0% TPS62320 TPS62320 product overviewTPS62320 product overview Texas Instruments SON-10, DSBGA-8
0% TPS62741 TPS62741 product overviewTPS62741 product overview Texas Instruments SON-12
0% TPS62125 TPS62125 product overviewTPS62125 product overview Texas Instruments WSON-8
0% MAX15462C MAX15462C product overviewMAX15462C product overview Maxim TDFN-8
0% TPS62743 TPS62743 product overviewTPS62743 product overview Texas Instruments DSBGA-8
0% TPS627451 TPS627451 product overviewTPS627451 product overview Texas Instruments WSON-12
0% TPS62746 TPS62746 product overviewTPS62746 product overview Texas Instruments WCSP-8
0% TPS62170-Q1 TPS62170-Q1 product overviewTPS62170-Q1 product overview Texas Instruments SON-8
0% TPS62748 TPS62748 product overviewTPS62748 product overview Texas Instruments WCSP-8
0% RP509Z-2 RP509Z-2 product overviewRP509Z-2 product overview Ricoh WLCSP-6
25% TPS62740 TPS62740 product overviewTPS62740 product overview Texas Instruments SON-12
25% TPS62745 TPS62745 product overviewTPS62745 product overview Texas Instruments WSON-12

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1734.

V-IN max. 5.5 V, I-OUT 0.25 A, V-OUT min. 1.5 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744029100 10.0 0.7 0.5 390.00 2.8 x 2.8 x 1.5
744031100 10.0 0.7 0.6 185.00 3.8 x 3.8 x 1.8
744032008 8.2 0.4 1.0 360.00 3.2 x 2.5 x 2.3
744032100 10.0 0.3 0.9 520.00 3.2 x 2.5 x 2.3
744032120 12.0 0.3 0.8 560.00 3.2 x 2.5 x 2.3
74404024100 10.0 0.5 0.9 435.00 2.5 x 2 x 1.2
74404032100 10.0 0.8 0.9 230.00 3 x 3 x 1.5
74404041100 10.0 1.3 1.0 168.00 4 x 4 x 1.2
744042100 10.0 1.3 1.0 120.00 4.8 x 4.8 x 2
744042120 12.0 1.2 1.0 150.00 4.8 x 4.8 x 2
744043100 10.0 1.2 1.0 95.00 4.8 x 4.8 x 3
744043120 12.0 1.1 1.0 100.00 4.8 x 4.8 x 3
7440680100 10.0 1.2 1.0 177.00 8 x 8 x 1.2
7440680120 12.0 1.2 1.0 195.00 8 x 8 x 1.2
74479889310 10.0 0.8 0.5 500.00 2.5 x 2 x 1.2
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