SP7651 Buck Converter overview

Description

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Category
Sub-Category

SP7651 is a 20.00 V sync Buck Converter from with 3.00 A output current. The maximum 20.00 V input voltage can be regulated down into a 0.80 V to 19.00 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 15 and achieves a peak efficiency of 92 %. Further SP7651 characteristics are a fixed 900 kHz switching frequency and 1 available package option(s): DFN-26 .

For the SP7651 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. 2.50 V
V-IN max. 20.00 V
I-OUT? 3.00 A
V-OUT min. 0.80 V
V-OUT max. 19.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 900 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. 12000 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 145 °C
Inductor size typ. 4.70 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 92 %
Component count min. 15
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-26
SO/SOIC
SOP
DIP
TO
DDPAK

SP7651 Datasheet

Link to the most up-to-date SP7651 datasheet and the product page for EVM, tools and support information.

SP7651

SP7651 Sample stock and distributor price breaks

SP7651 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with SP7651 stock available

Available Distributors with stock: 0

no online Distributor with SP7651 stock available

Available Distributors without stock: 3

Arrow Electronics

ProductStockPriceBuy
SP7651ER-L/TR 0
30001.21 $
Buy Now

Digi-Key

ProductStockPriceBuy
SP7651ER-L/TR 0
30001.03 €
Buy Now
SP7651EB 0
347.76 €
Buy Now
SP7651ER-L 0 Buy Now

Allied Electronics & Automation

ProductStockPriceBuy
SP7651ER-L/TR 0
16.43 $
54.75 $
254.16 $
1003.75 $
2503.48 $

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to SP7651. Optional, compare SP7651 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AOZ1253PI AOZ1253PI product overviewAOZ1253PI product overview Alpha Omega SO-8-EP
0% AOZ1254PI AOZ1254PI product overviewAOZ1254PI product overview Alpha Omega SO-8-EP
0% AP6508 AP6508 product overviewAP6508 product overview Diodes DFN-14
0% SP7650 SP7650 product overviewSP7650 product overview Exar DFN-26
0% SP7652 SP7652 product overviewSP7652 product overview Exar DFN-26
0% SP7663 SP7663 product overviewSP7663 product overview Exar DFN-26
0% MAX15041 MAX15041 product overviewMAX15041 product overview Maxim TQFN-EP-16
0% MP2303 MP2303 product overviewMP2303 product overview MPS SOIC-8E, QFN-10
0% MP2303A MP2303A product overviewMP2303A product overview MPS SOIC-8E
0% MP2403 MP2403 product overviewMP2403 product overview MPS SOIC-8
0% MP28253 MP28253 product overviewMP28253 product overview MPS QFN-14
0% MP28255 MP28255 product overviewMP28255 product overview MPS QFN-14
0% MP28256 MP28256 product overviewMP28256 product overview MPS QFN-14
0% MP28266 MP28266 product overviewMP28266 product overview MPS QFN-14
0% MP8715 MP8715 product overviewMP8715 product overview MPS SOIC-8E
0% MP9186 MP9186 product overviewMP9186 product overview MPS QFN-14
0% RT8296A RT8296A product overviewRT8296A product overview Richtek SOP-8
0% RT8296B RT8296B product overviewRT8296B product overview Richtek SOP-8
0% LM20323 LM20323 product overviewLM20323 product overview Texas Instruments HTSSOP-20
0% LM20333 LM20333 product overviewLM20333 product overview Texas Instruments HTSSOP-20
10% AOZ1051PI AOZ1051PI product overviewAOZ1051PI product overview Alpha Omega SO-8-EP
10% AOZ1052PI AOZ1052PI product overviewAOZ1052PI product overview Alpha Omega SO-8-EP
10% AOZ1053PI AOZ1053PI product overviewAOZ1053PI product overview Alpha Omega SO-8-EP
10% AOZ3011PI AOZ3011PI product overviewAOZ3011PI product overview Alpha Omega SO-8-EP
10% AOZ3017PI AOZ3017PI product overviewAOZ3017PI product overview Alpha Omega SO-8-EP
10% AOZ3018PI AOZ3018PI product overviewAOZ3018PI product overview Alpha Omega SO-8-EP
10% RT2853A RT2853A product overviewRT2853A product overview Richtek WQFN-16
10% RT2853B RT2853B product overviewRT2853B product overview Richtek WQFN-16
10% RT2858B RT2858B product overviewRT2858B product overview Richtek PSOP-8
10% RT7231 RT7231 product overviewRT7231 product overview Richtek TSSOP-14, WDFN-10
10% RT7232 RT7232 product overviewRT7232 product overview Richtek TSSOP-14, WDFN-10
10% RT7233 RT7233 product overviewRT7233 product overview Richtek PSOP-8
10% RT7234 RT7234 product overviewRT7234 product overview Richtek PSOP-8
10% RT7235 RT7235 product overviewRT7235 product overview Richtek TSSOP-14, WDFN-10
10% RT7236 RT7236 product overviewRT7236 product overview Richtek TSSOP-14, WDFN-10
10% RT7239 RT7239 product overviewRT7239 product overview Richtek PSOP-8
10% RT7240 RT7240 product overviewRT7240 product overview Richtek PSOP-8
10% BD9D320 BD9D320 product overviewBD9D320 product overview Rohm HTSOP-8
10% BD9D321 BD9D321 product overviewBD9D321 product overview Rohm HTSOP-8
25% AP3503E AP3503E product overviewAP3503E product overview BCDSemi PSOP-8
25% XRP7665 XRP7665 product overviewXRP7665 product overview Exar SOIC-8
25% XRP7675 XRP7675 product overviewXRP7675 product overview Exar SOIC-8
25% IR3802M IR3802M product overviewIR3802M product overview IRF PQFN-15
25% IR3812M IR3812M product overviewIR3812M product overview IRF PQFN-15
25% IR3822M IR3822M product overviewIR3822M product overview IRF PQFN-15
25% IXD3248 IXD3248   product overviewIXD3248 product overview IXYS SOP-8
25% MAX15066 MAX15066 product overviewMAX15066 product overview Maxim WLP-16
25% MAX15166 MAX15166 product overviewMAX15166 product overview Maxim WLP-16
25% NX7102 NX7102 product overviewNX7102 product overview Microsemi SOIC-8
25% MP1497 MP1497 product overviewMP1497 product overview MPS TSOT23-8
25% MP2214 MP2214 product overviewMP2214 product overview MPS SOIC-8E, QFN-10
25% MP2233 MP2233 product overviewMP2233 product overview MPS TSOT23-8
25% MP2235 MP2235 product overviewMP2235 product overview MPS TSOT23-8
25% MP2240 MP2240 product overviewMP2240 product overview MPS TSOT23-8
25% MP2307 MP2307 product overviewMP2307 product overview MPS SOIC-8E
25% MP28315 MP28315 product overviewMP28315 product overview MPS SOIC-8E
25% BD1484 BD1484 product overviewBD1484 product overview Rohm HTSOP-J8
25% TF6003 TF6003 product overviewTF6003 product overview Telefunken SOIC-8
25% XC9248 XC9248 product overviewXC9248 product overview Torex SOP-8
25% TS3553 TS3553 product overviewTS3553 product overview Taiwan Semi SOP-8
25% MP1497S MP1497S product overviewMP1497S product overview MPS TSOT23-8
25% MP2235S MP2235S product overviewMP2235S product overview MPS TSOT23-8
25% TPS62134C TPS62134C product overviewTPS62134C product overview Texas Instruments VQFN-16
25% TPS62134D TPS62134D product overviewTPS62134D product overview Texas Instruments VQFN-16
50% AOZ1050PI AOZ1050PI product overviewAOZ1050PI product overview Alpha Omega SO-8-EP
50% AOZ1252PI AOZ1252PI product overviewAOZ1252PI product overview Alpha Omega SO-8-EP
50% AOZ3010PI AOZ3010PI product overviewAOZ3010PI product overview Alpha Omega SO-8-EP
50% AP3502E AP3502E product overviewAP3502E product overview BCDSemi SOIC-8
50% XRP7664 XRP7664 product overviewXRP7664 product overview Exar SOIC-8
50% XRP7674 XRP7674 product overviewXRP7674 product overview Exar SOIC-8
50% NX7101 NX7101 product overviewNX7101 product overview Microsemi SOIC-8
50% MP1482 MP1482 product overviewMP1482 product overview MPS SOIC-8
50% MP1496 MP1496 product overviewMP1496 product overview MPS TSOT23-8
50% MP1498 MP1498 product overviewMP1498 product overview MPS TSOT23-8
50% MP2106 MP2106 product overviewMP2106 product overview MPS QFN-10, MSOP-10
50% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
50% MP2228 MP2228 product overviewMP2228 product overview MPS TSOT23-8
50% MP2234 MP2234 product overviewMP2234 product overview MPS TSOT23-8
50% MP2305 MP2305 product overviewMP2305 product overview MPS SOIC-8
50% MP28313 MP28313 product overviewMP28313 product overview MPS SOIC-8
50% MP29296 MP29296 product overviewMP29296 product overview MPS SOIC-8
50% RT8295A RT8295A product overviewRT8295A product overview Richtek SOP-8
50% RT8295B RT8295B product overviewRT8295B product overview Richtek SOP-8
50% BD1482 BD1482 product overviewBD1482 product overview Rohm HTSOP-J8
50% TF6002 TF6002 product overviewTF6002 product overview Telefunken SOIC-8
50% LM2651 LM2651 product overviewLM2651 product overview Texas Instruments TSSOP-16
50% LM2655 LM2655 product overviewLM2655 product overview Texas Instruments TSSOP-16
50% TS3552 TS3552 product overviewTS3552 product overview Taiwan Semi SOP-8
50% RT7237A RT7237A product overviewRT7237A product overview Richtek PSOP-8
50% RT7237B RT7237B product overviewRT7237B product overview Richtek PSOP-8
50% RT7237C RT7237C product overviewRT7237C product overview Richtek PSOP-8
50% RT7237J RT7237J product overviewRT7237J product overview Richtek PSOP-8
50% MP1496S MP1496S product overviewMP1496S product overview MPS TSOT23-8
50% MP2234S MP2234S product overviewMP2234S product overview MPS TSOT23-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP7651.

V-IN max. 20 V, I-OUT 3 A, V-OUT min. 0.8 V, Frequency typ. 900 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402500072 0.7 3.0 4.0 23.50 2.8 x 2.8 x 3
74404042010 1.0 3.2 4.8 27.00 4 x 4 x 1.8
74404052010 1.0 3.9 5.5 19.80 5 x 5 x 2
74404052012 1.2 3.6 5.2 23.40 5 x 5 x 2
74404300082 0.8 3.5 3.7 14.00 4.8 x 4.8 x 3
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
7440690010 1.0 3.6 3.8 21.00 8 x 8 x 1.5
74407000082 0.8 6.2 5.5 8.50 8 x 8 x 2
7440700012 1.2 4.8 4.2 12.50 8 x 8 x 2
744089410068 0.7 3.4 6.5 22.10 4.8 x 4.8 x 2.1
74408941010 1.0 3.0 5.4 29.50 4.8 x 4.8 x 2.1
744089420082 0.8 3.5 6.7 21.00 4.8 x 4.8 x 3.1
74408942012 1.2 3.2 5.5 22.00 4.8 x 4.8 x 3.1
744089430082 0.8 3.4 7.1 17.00 4.8 x 4.8 x 4.1
74408943010 1.0 3.3 6.5 19.00 4.8 x 4.8 x 4.1
744383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
744383240068 0.7 3.2 5.9 45.00 2.5 x 2 x 1.2
744383350082 0.8 3.5 7.0 30.00 3 x 3 x 1.5
744383360068 0.7 4.5 6.2 22.00 3 x 3 x 2
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
74438336012 1.2 3.9 4.8 30.00 3 x 3 x 2
7447730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
744778001 1.0 5.4 6.4 9.00 7.3 x 7.3 x 3.4
7447785001 1.0 3.5 4.5 31.00 5.9 x 6.2 x 3.3
7447786001 1.0 5.0 5.5 28.00 5.9 x 6.2 x 5.1
7447789001 1.0 5.4 6.4 10.00 7.3 x 7.3 x 3.5
744787012 1.2 4.9 6.0 8.50 7.8 x 7 x 5
74479299210 1.0 3.0 5.2 38.00 3.2 x 2.5 x 1.2
784383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
784383350082 0.8 3.5 7.0 30.00 3 x 3 x 1.5
7847730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
784778010 1.0 3.5 7.0 30.00 7.3 x 7.3 x 3.5
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