MAX1842 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

MAX1842 is a 5.50 V sync Buck Converter from with 1.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.10 V to 5.50 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 9 and achieves a peak efficiency of 95 %. Further MAX1842 characteristics are a fixed 1000 kHz switching frequency and 1 available package option(s): QSOP-16 .

For the MAX1842 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. 3.00 V
V-IN max. 5.50 V
I-OUT? 1.00 A
V-OUT min. 1.10 V
V-OUT max. 5.50 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 yes
Tracking no
PG/Power OK no
Quiescent current max. 15 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 160 °C
Inductor size typ. 1.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP QSOP-16
DIP
TO
DDPAK

MAX1842 Datasheet

Link to the most up-to-date MAX1842 datasheet and the product page for EVM, tools and support information.

MAX1842

MAX1842 Sample stock and distributor price breaks

MAX1842 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 4

Avnet Europe (2)

ProductStockPriceBuy
MAX1842EEE+700Buy Now
MAX1842EEE+700Buy Now

Element14 (1)

ProductStockPriceBuy
MAX1842EEE+130Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
MAX1842EEE+130Buy Now

Newark Electronics (1)

ProductStockPriceBuy
MAX1842EEE+50
110.81 USD
1010.27 USD
257.49 USD
505.48 USD
1005.33 USD
2504.77 USD
Buy Now

Available Distributors without stock: 2

Future Electronics (0)

ProductStockPriceBuy
MAX1842EEE+0
1005.10 USD
Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 7

Avnet

ProductStockPriceBuy
MAX1842EEE+ 700
16.09 €
105.59 €
255.39 €
505.19 €
1004.99 €
5004.79 €
10004.49 €
Buy Now
MAX1842EEE+ 200
1005.39 $
2005.29 $
4005.19 $
6004.99 $
10004.89 $
Buy Now
MAX1842EEE+T 2500
25004.09 $
50004.09 $
100004.09 $
150004.09 $
250004.09 $
Buy Now
MAX1842EVKIT 0
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
MAX1842EEE+ 50
110.81 $
1010.27 $
257.49 $
505.48 $
1005.33 $
2504.77 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
MAX1842EEE-TG074 1000
10008.44 $
5008.89 $
1009.25 $
259.65 $
110.39 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
MAX1842EEE+ 151
110.81 $
1010.27 $
257.49 $
505.48 $
1005.33 $
2504.67 $
Buy Now
MAX1842EEE+T 0
18.80 $
108.31 $
256.64 $
506.32 $
1005.83 $
2505.53 $
5005.34 $
10003.99 $
Buy Now
MAX1842EEE-T 0 Buy Now
MAX1842EEE 0 Buy Now
show stock=0hide stock=0

element14 Asia-Pacific

ProductStockPriceBuy
MAX1842EEE+ 130
110.18 SGD
109.50 SGD
258.38 SGD
507.77 SGD
1007.37 SGD
2507.00 SGD
5006.89 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
MAX1842EEE+ 130
18.18 GBP
107.77 GBP
255.67 GBP
504.15 GBP
1003.88 GBP
Buy Now

Chip One Exchange

ProductStockPriceBuy
MAX1842EEE 22286

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MAX1842. Optional, compare MAX1842 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AOZ1050PI AOZ1050PI product overviewAOZ1050PI product overview Alpha Omega SO-8-EP
0% AOZ1252PI AOZ1252PI product overviewAOZ1252PI product overview Alpha Omega SO-8-EP
0% AOZ3010PI AOZ3010PI product overviewAOZ3010PI product overview Alpha Omega SO-8-EP
0% ADP2105 ADP2105 product overviewADP2105 product overview Analog Devices QFN-16
0% ADP2106 ADP2106 product overviewADP2106 product overview Analog Devices QFN-16
0% ADP2107 ADP2107 product overviewADP2107 product overview Analog Devices QFN-16
0% AP3502E AP3502E product overviewAP3502E product overview BCDSemi SOIC-8
0% XRP7674 XRP7674 product overviewXRP7674 product overview Exar SOIC-8
0% LTC1875 LTC1875 product overviewLTC1875 product overview Linear Technology TSSOP-16
0% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16
0% MAX15053 MAX15053 product overviewMAX15053 product overview Maxim WLP-9
0% MAX1556 MAX1556 product overviewMAX1556 product overview Maxim TDFN-EP-10
0% MAX1644 MAX1644 product overviewMAX1644 product overview Maxim SSOP-16
0% MAX1742 MAX1742 product overviewMAX1742 product overview Maxim QSOP-16
0% MAX17502 MAX17502 product overviewMAX17502 product overview Maxim TSSOP-EP-14, TDFN-10
0% MIC23153 MIC23153 product overviewMIC23153 product overview Micrel MLF-10
0% MIC23155 MIC23155 product overviewMIC23155 product overview Micrel MLF-10
0% MP1482 MP1482 product overviewMP1482 product overview MPS SOIC-8
0% MP1496 MP1496 product overviewMP1496 product overview MPS TSOT23-8
0% MP1498 MP1498 product overviewMP1498 product overview MPS TSOT23-8
0% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
0% MP2234 MP2234 product overviewMP2234 product overview MPS TSOT23-8
0% MP2305 MP2305 product overviewMP2305 product overview MPS SOIC-8
0% MP28313 MP28313 product overviewMP28313 product overview MPS SOIC-8
0% MP29296 MP29296 product overviewMP29296 product overview MPS SOIC-8
0% TPS62160 TPS62160 product overviewTPS62160 product overview Texas Instruments SON-8
0% RP506x-F RP506x-F product overviewRP506x-F product overview Ricoh DFN-10
0% RP506x-C RP506x-C product overviewRP506x-C product overview Ricoh DFN-10
0% MIC23156 MIC23156 product overviewMIC23156 product overview Micrel MLF-17, WLCSP-16
0% MIC23163 MIC23163 product overviewMIC23163 product overview Micrel DFN-10
0% MIC23164 MIC23164 product overviewMIC23164 product overview Micrel DFN-10
0% BD9A100MUV BD9A100MUV product overviewBD9A100MUV product overview Rohm VQFN-16
0% MP1496S MP1496S product overviewMP1496S product overview MPS TSOT23-8
0% MP2234S MP2234S product overviewMP2234S product overview MPS TSOT23-8
10% FAN8060 FAN8060 product overviewFAN8060 product overview Fairchild MLP-10
10% LM2651 LM2651 product overviewLM2651 product overview Texas Instruments TSSOP-16
25% MAX1572 MAX1572 product overviewMAX1572 product overview Maxim TQFN-12
50% MAX1557 MAX1557 product overviewMAX1557 product overview Maxim TDFN-EP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1842.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 1.1 V, Frequency typ. 1000 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
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
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
74404041033 3.3 1.8 2.1 69.00 4 x 4 x 1.2
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
744042003 3.3 2.0 1.8 50.00 4.8 x 4.8 x 2
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
744043003 3.3 2.2 1.8 30.00 4.8 x 4.8 x 3
744052003 3.0 2.2 2.4 40.00 5.8 x 5.8 x 2
744053003 3.0 2.8 2.5 20.00 5.8 x 5.8 x 3
744062003 3.3 2.8 2.5 20.00 6.8 x 6.8 x 2.5
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
7440690033 3.3 2.6 2.3 42.00 8 x 8 x 1.5
74438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
74438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
74438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
74438343022 2.2 1.1 2.5 225.00 2.5 x 1.6 x 0.6
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
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
74479888222 2.2 1.2 1.4 200.00 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
78438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
78438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
78438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
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