MAX797H Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

MAX797H is a 1 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 4.50 V to 40.00 V and output current goes up to 10.00 A.

The Controller features fixed 340 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of 96 %. The MAX797H is available in 1 package option(s): SOIC-16 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 4.50 V
V-IN max. 40.00 V
I-OUT? 10.00 A
V-OUT min. 2.50 V
V-OUT max. 6.00 V
V-OUT adjustable
V-OUT programmable no
sync/non-sync sync
Frequency typ. 340 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart yes
Softstart adjustable yes
Tracking no
Power Good (PG) no
Enable no
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100 no
Light-Load Mode yes
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency 96 %
component count min. 11
current limit adjustable no
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN
SO/SOIC SOIC-16
SOP
DIP

MAX797H Datasheet

Link to the most up-to-date MAX797H datasheet and the product page for EVM, tools and support information.

MAX797H

MAX797H inventory, samples and price

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Available Distributors with stock: 8

AVNET-AMERICAS (1)

ProductStockPriceBuy
MAX797HESE+60
117.28 USD
1016.41 USD
2511.96 USD
5011.36 USD
1007.99 USD
Buy Now
MAX797HESE+T0
25005.56 USD
50005.55 USD
100005.53 USD
150005.51 USD
250005.49 USD
Buy Now

AVNET-EUROPE (2)

ProductStockPriceBuy
MAX797HESE+100Buy Now
MAX797HESE+50Buy Now
MAX797HESE+T0Buy Now

DIGI-KEY (1)

ProductStockPriceBuy
MAX797HESE+56
117.32 USD
1016.45 USD
2511.99 USD
5011.39 USD
1007.99 USD
2507.93 USD
Buy Now
MAX797HESE+T0
25005.31 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
MAX797HESE+60
128.01 USD
1026.61 USD
2519.39 USD
5018.42 USD
10012.92 USD
25012.85 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
MAX797HESE+60Buy Now

FUTURE (1)

ProductStockPriceBuy
MAX797HESE+50
508.26 USD
1008.11 USD
Buy Now
MAX797HESE+T0
25005.64 USD
Buy Now

NEWARK (1)

ProductStockPriceBuy
MAX797HESE+59
117.32 USD
1016.45 USD
2511.99 USD
5011.39 USD
1007.99 USD
2507.94 USD
Buy Now

RS-COMPONENTS (2)

ProductStockPriceBuy
MAX797HESE+8Buy Now
MAX797HESE+38Buy Now

Available Distributors with stock: 0

no online Distributor with MAX797H stock available

Table with equivalents and alternatives

The following Buck Controller are similar to MAX797H. Or, compare MAX797H side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
25% MAX798 MAX798 product overviewMAX798 product overview Maxim SOIC-16
50% LT3800 LT3800 product overviewLT3800 product overview Linear Technology

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX797H.

V-IN max. 40 V, I-OUT 10 A, V-OUT min. 2.5 V, Frequency typ. 340 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744311150 1.5 11.0 14.0 6.60 7 x 6.9 x 4
744313180 1.8 14.0 22.0 5.60 12.9 x 12.8 x 3.5
744313220 2.2 14.0 18.0 5.70 12.9 x 12.8 x 3.5
744323150 1.5 12.0 18.0 6.60 10.6 x 10.6 x 3.1
744325180 1.8 16.0 18.0 3.50 10.5 x 10.2 x 5
744325240 2.4 14.0 17.0 4.75 10.5 x 10.2 x 5
7443320220 2.2 18.0 23.0 3.90 12.1 x 11.4 x 10
7443330220 2.2 16.5 22.0 4.60 10.9 x 10 x 9.7
7443340150 1.5 16.5 18.5 5.30 8.4 x 7.9 x 7.5
7443340220 2.2 16.5 12.5 5.30 8.4 x 7.9 x 7.5
7443550230 2.3 17.5 17.0 3.60 13 x 12.8 x 5
7443551200 2.0 23.0 22.0 2.50 13.2 x 12.8 x 6.5
7443552150 1.5 14.0 17.0 5.30 10.5 x 10.2 x 4.2
7443552200 2.0 11.0 13.0 7.30 10.5 x 10.2 x 4.2
74437356015 1.5 10.6 21.0 8.30 8.64 x 8.5 x 3
74437358022 2.2 10.0 22.0 8.70 8.64 x 8.5 x 4
74437377022 2.2 10.0 25.0 7.20 13.5 x 12.6 x 3.5
74477002 2.4 10.1 14.3 9.00 12 x 12 x 8
7447709002 2.2 11.5 20.0 4.90 12 x 12 x 10
744771001 1.5 10.5 12.5 4.00 12 x 12 x 6
7447714015 1.5 10.0 12.5 5.55 10 x 10 x 5
7447798180 1.8 14.5 12.8 3.80 10.2 x 10.2 x 6.4
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