MAX1540-2.5 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

MAX1540-2.5 is a 2 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 2.00 V to 28.00 V and output current goes up to 5.00 A.

The Controller features adjustable 485 kHz switching frequency which results in a typical inductor size of 2.5 uH and a peak efficiency of 95 %. The MAX1540-2.5 is available in 1 package option(s): QFN-32 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 2.00 V
V-IN max. 28.00 V
I-OUT? 5.00 A
V-OUT min. 2.50 V
V-OUT max. 2.50 V
V-OUT 3
V-OUT programmable no
sync/non-sync sync
Frequency typ. 485 kHz
Frequency adj. adjustable
Frequency adj. min. 170 kHz
Frequency adj. max. 620 kHz
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart yes
Softstart adjustable no
Tracking no
Power Good (PG) yes
Enable no
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 150 °C
thermal shutdown typ. 160 °C
Inductor size typ. 2.5 uH
Automotive AEC-Q100 no
Light-Load Mode yes
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency 95 %
component count min. 25
current limit adjustable yes
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP
DIP

MAX1540-2.5 Datasheet

Link to the most up-to-date MAX1540-2.5 datasheet and the product page for EVM, tools and support information.

MAX1540-2.5

MAX1540-2.5 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 2

DIGI-KEY (5)

ProductStockPriceBuy
MAX1540AETJ+T5000
25004.77 USD
Buy Now
MAX1540AETJ+T5000
110.54 USD
109.95 USD
257.96 USD
507.56 USD
1006.96 USD
2506.60 USD
5006.36 USD
Buy Now
MAX1540AETJ+T5000
110.54 USD
109.95 USD
257.96 USD
507.56 USD
1006.96 USD
2506.60 USD
5006.36 USD
Buy Now
MAX1540AETJ+120
110.53 USD
1010.00 USD
257.02 USD
506.67 USD
1005.09 USD
2504.84 USD
5004.48 USD
Buy Now
MAX1540ETJ+120
110.53 USD
1010.00 USD
257.02 USD
506.67 USD
1005.09 USD
2504.84 USD
5004.48 USD
Buy Now
MAX1540ETJ+T0
25004.77 USD
Buy Now

Mouser-Electronics (2)

ProductStockPriceBuy
MAX1540ETJ+60
110.53 USD
1010.00 USD
257.02 USD
506.67 USD
1005.09 USD
2504.83 USD
5004.56 USD
Buy Now
MAX1540AETJ+56
110.53 USD
1010.00 USD
257.02 USD
506.67 USD
1005.09 USD
2504.83 USD
5004.56 USD
Buy Now
MAX1540ETJ+TNone
25005.07 USD
Buy Now
MAX1540AETJ+TNone
25005.07 USD
Buy Now

Available Distributors without stock: 1

AVNET-AMERICAS (0)

ProductStockPriceBuy
MAX1540AETJ+0
1205.13 USD
2404.92 USD
3604.73 USD
6004.55 USD
12004.47 USD
Buy Now
MAX1540AETJ+T0
25005.70 USD
50005.47 USD
100005.26 USD
150005.06 USD
250004.97 USD
Buy Now
MAX1540ETJ+0
1205.13 USD
2404.92 USD
3604.73 USD
6004.55 USD
12004.47 USD
Buy Now
MAX1540ETJ+T0
25005.70 USD
50005.47 USD
100005.26 USD
150005.06 USD
250004.97 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with MAX1540 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to MAX1540-2.5. Or, compare MAX1540-2.5 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% MAX1541-2.5 MAX1541-2.5 product overviewMAX1541-2.5 product overview Maxim TQFN-40

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1540-2.5.

V-IN max. 28 V, I-OUT 5 A, V-OUT min. 2.5 V, Frequency typ. 485 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404084022 2.2 5.2 7.8 12.00 8 x 8 x 4.2
7440660022 2.2 6.7 6.8 7.70 10 x 10 x 4.1
744071022 2.2 5.4 6.3 10.00 8 x 8 x 4.6
744310200 2.0 6.5 9.0 14.20 7 x 6.9 x 3.3
744311330 3.3 6.5 11.0 17.20 7 x 6.9 x 4
744314200 2.0 11.5 9.0 5.85 7 x 6.9 x 5
744314330 3.3 9.0 8.0 9.00 7 x 6.9 x 5
744316220 2.2 7.5 7.5 11.30 5.5 x 5.3 x 4.3
7443340330 3.3 14.0 8.5 7.50 8.4 x 7.9 x 7.5
7443552280 2.8 9.5 11.0 10.60 10.5 x 10.2 x 4.2
74437349033 3.3 6.0 12.0 19.00 7.3 x 6.6 x 5
7447471022 2.2 8.2 10.0 7.50 10.5 x 10.5 x 11.5
7447471033 3.3 7.5 8.0 9.00 10.5 x 10.5 x 11.5
744750230030 3.0 7.6 11.7 7.00 8.8 x 8.8 x 11
744771002 2.2 10.0 11.0 5.00 12 x 12 x 6
7447713022 2.2 5.1 8.5 16.80 10 x 10 x 3
7447714022 2.2 8.6 9.5 6.80 10 x 10 x 5
7447714033 3.3 7.5 9.0 8.90 10 x 10 x 5
7447715002 2.5 6.8 8.5 8.50 12 x 12 x 4.5
7447715003 3.3 5.9 7.1 11.50 12 x 12 x 4.5
744772022 2.2 6.0 8.0 7.25 7.8 x 7.8 x 10
744772033 3.3 5.0 6.3 9.50 7.8 x 7.8 x 10
744777002 2.2 6.0 6.5 13.00 7.3 x 7.3 x 4.5
7447797250 2.5 8.4 10.5 9.00 10.2 x 10.2 x 4.5
7447798250 2.5 13.7 10.1 4.40 10.2 x 10.2 x 6.4
78477033 3.3 6.6 12.0 14.00 12 x 12 x 8.3
784771022 2.2 7.2 10.5 10.50 12 x 12 x 8.3
784771033 3.3 6.5 9.0 12.00 12 x 12 x 8.3
784775022 2.2 6.0 6.0 8.00 7 x 7.8 x 5.5
784776022 2.2 7.0 8.0 7.00 9 x 10 x 5.9
784776033 3.3 6.0 7.0 9.00 9 x 10 x 5.9
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