SP6125 Buck Controller overview

Description

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Category
Sub-Category

SP6125 is a 1 channel, 1 phase non-sync Buck Controller. The maximum input voltage ranges from 4.50 V to 29.00 V and output current goes up to 3.00 A.

The Controller features fixed 300 kHz switching frequency which results in a typical inductor size of 8.2 uH and a peak efficiency of 95 %. The SP6125 is available in  package option(s): .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 4.50 V
V-IN max. 29.00 V
I-OUT? 3.00 A
V-OUT min. 0.60 V
V-OUT max. 24.00 V
V-OUT adjustable
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 300 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 no
Tracking no
Power Good (PG) no
Enable no
Operating min. -40 °C
Operating max. 125 °C
Junction min. -65 °C
Junction max. 150 °C
thermal shutdown typ.
Inductor size typ. 8.2 uH
Automotive AEC-Q100 no
Light-Load Mode no
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency 95 %
component count min. 13
current limit adjustable no
Nr.of package options
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP

SP6125 Datasheet

Link to the most up-to-date SP6125 datasheet and the product page for EVM, tools and support information.

SP6125

SP6125 inventory, samples and price

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Available Distributors with stock: 2

ARROW-NAC (1)

ProductStockPriceBuy
SP6125A46
1204.48 USD
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VERICAL (1)

ProductStockPriceBuy
SP6125A46
1204.48 USD
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Available Distributors without stock: 3

DIGI-KEY (0)

ProductStockPriceBuy
SP6125EB0
264.38 USD
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SP6125EK1-L/TR0
25000.00 USD
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SP6125EK1-L0
2500.00 USD
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FUTURE (0)

ProductStockPriceBuy
SP6125EB0
162.50 USD
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Mouser-Electronics (0)

ProductStockPriceBuy
SP6125EBNoneBuy Now
SP6125EK1-LNoneBuy Now
SP6125EK1-L/TRNoneBuy Now

Available Distributors with stock: 0

no online Distributor with SP6125 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to SP6125. Or, compare SP6125 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
25% SP6126 SP6126 product overviewSP6126 product overview Exar
25% SP6127 SP6127 product overviewSP6127 product overview Exar

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP6125.

V-IN max. 29 V, I-OUT 3 A, V-OUT min. 0.6 V, Frequency typ. 300 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052022 2.2 3.0 3.6 31.60 5 x 5 x 2
74404054022 2.2 3.8 5.3 19.00 5 x 5 x 4
74404063022 2.2 3.8 5.6 20.00 6 x 6 x 2.8
7440650022 2.2 6.2 5.9 11.00 10 x 10 x 3.1
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
74408943022 2.2 3.0 4.6 26.00 4.8 x 4.8 x 4.1
74437324022 2.2 3.3 6.5 51.00 4.45 x 4.06 x 2
74438356018 1.8 4.6 6.5 24.50 4.1 x 4.1 x 2.1
74438356022 2.2 4.7 6.2 29.00 4.1 x 4.1 x 2.1
7447462022 2.2 6.3 4.3 10.00 5.5 x 5.5 x 8.5
744777002 2.2 6.0 6.5 13.00 7.3 x 7.3 x 4.5
7447779002 2.2 4.2 6.0 16.00 7.3 x 7.3 x 4.5
744778002 2.2 4.0 4.8 14.00 7.3 x 7.3 x 3.4
7447786002 2.2 3.5 4.0 40.00 5.9 x 6.2 x 5.1
7447789002 2.2 4.0 4.8 19.00 7.3 x 7.3 x 3.5
744787027 2.7 4.4 4.5 13.50 7.8 x 7 x 5
784775022 2.2 6.0 6.0 8.00 7 x 7.8 x 5.5
784778022 2.2 3.1 5.0 42.00 7.3 x 7.3 x 3.5
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