BU90005 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

BU90005 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 2.50 V to 2.50 V output voltage.

It requires are a typical inductor size of 1.00 µH, a typical external component count of 4 and achieves a peak efficiency of 95 %. Further BU90005 characteristics are a fixed 6000 kHz switching frequency and 1 available package option(s): CSP-6 .

For the BU90005 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. 2.30 V
V-IN max. 5.50 V
I-OUT? 1.00 A
V-OUT min. 2.50 V
V-OUT max. 2.50 V
V-OUT 2.500 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 6000 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 80 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 150 °C
Inductor size typ. 1.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 4
current limit adjustable no
Nr.of packages 1
CSP CSP-6
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

BU90005 Datasheet

Link to the most up-to-date BU90005 datasheet and the product page for EVM, tools and support information.

BU90005

BU90005 Sample stock and distributor price breaks

BU90005 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 3

Chip-One-Stop (1)

ProductStockPriceBuy
BU90005GWZ-E2140
202.97 USD
602.82 USD
1002.82 USD
Buy Now

DIGI-KEY (4)

ProductStockPriceBuy
BU90005GWZ-E23000
30000.62 USD
60000.59 USD
150000.56 USD
Buy Now
BU90005GWZ-E24761
11.59 USD
101.41 USD
251.27 USD
1001.11 USD
2500.97 USD
5000.86 USD
10000.68 USD
Buy Now
BU90005GWZ-E24761
11.59 USD
101.41 USD
251.27 USD
1001.11 USD
2500.97 USD
5000.86 USD
10000.68 USD
Buy Now
BU90005GWZ-E2-EVK-10114
131.25 USD
Buy Now

Mouser-Electronics (1)

ProductStockPriceBuy
BU90005GWZ-E2-EVK-1013
132.49 USD
Buy Now
BU90005GWZ-E2None
30000.59 USD
90000.57 USD
Buy Now

Available Distributors without stock: 3

AVNET-AMERICAS (0)

ProductStockPriceBuy
BU90005GWZ-E20
30000.70 USD
60000.65 USD
120000.61 USD
180000.58 USD
300000.56 USD
Buy Now

AVNET-EUROPE (0)

ProductStockPriceBuy
BU90005GWZ-E20Buy Now

FUTURE (0)

ProductStockPriceBuy
BU90005GWZ-E20
30000.59 USD
Buy Now
BU90005GWZ-E2-EVK-1010
140.00 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with BU90005 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to BU90005. Optional, compare BU90005 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2119-2,5 ADP2119-2,5 product overviewADP2119-2,5 product overview Analog Devices QFN-10
0% ADP2120-2,5 ADP2120-2,5 product overviewADP2120-2,5 product overview Analog Devices QFN-10
0% MAX1556-2.5 MAX1556-2.5 product overviewMAX1556-2.5 product overview Maxim TDFN-EP-10
0% MAX1644-2.5 MAX1644-2.5 product overviewMAX1644-2.5 product overview Maxim SSOP-16
0% MAX1742-2.5 MAX1742-2.5 product overviewMAX1742-2.5 product overview Maxim QSOP-16
0% MAX1842-2.5 MAX1842-2.5 product overviewMAX1842-2.5 product overview Maxim QSOP-16
0% LM2651-2.5 LM2651-2.5 product overviewLM2651-2.5 product overview Texas Instruments TSSOP-16
0% LM3691-2.5 LM3691-2.5 product overviewLM3691-2.5 product overview Texas Instruments DSBGA-6
0% RP505K-2.5 RP505K-2.5 product overviewRP505K-2.5 product overview Ricoh DFN-8
0% RP506x-D-E-2.5 RP506x-D-E-2.5 product overviewRP506x-D-E-2.5 product overview Ricoh DFN-10
0% RP506x-A-B-2.5 RP506x-A-B-2.5 product overviewRP506x-A-B-2.5 product overview Ricoh DFN-10
0% XC9261-C-2.5 XC9261-C-2.5 product overviewXC9261-C-2.5 product overview Torex USP-6, SOT89-5
0% XC9261-D-2.5 XC9261-D-2.5 product overviewXC9261-D-2.5 product overview Torex USP-6, SOT89-5
0% TS30011-2.5 TS30011-2.5 product overviewTS30011-2.5 product overview Triune Systems QFN-16
0% TS30012-2.5 TS30012-2.5 product overviewTS30012-2.5 product overview Triune Systems QFN-16
0% TS33001-2.5 TS33001-2.5 product overviewTS33001-2.5 product overview Triune Systems QFN-16
0% TS33002-2.5 TS33002-2.5 product overviewTS33002-2.5 product overview Triune Systems QFN-16
0% TS30021-2.5 TS30021-2.5 product overviewTS30021-2.5 product overview Triune Systems QFN-16
0% TS30022-2.5 TS30022-2.5 product overviewTS30022-2.5 product overview Triune Systems QFN-16
0% MP2148-2.5 MP2148-2.5 product overviewMP2148-2.5 product overview MPS QFN-6
0% RP509Z-1-2.5 RP509Z-1-2.5 product overviewRP509Z-1-2.5 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of BU90005.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 2.5 V, Frequency typ. 6000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402800047 0.5 2.5 2.0 36.00 2.8 x 2.8 x 1.2
74402900047 0.5 2.8 2.2 29.00 2.8 x 2.8 x 1.5
7440300047 0.5 1.5 1.8 48.00 3.3 x 3.5 x 1.05
7440300068 0.7 1.3 1.5 0.06 3.3 x 3.5 x 1.05
7440310047 0.5 3.0 2.0 16.00 3.8 x 3.8 x 1.8
74479763147A 0.5 1.5 1.5 90.00 1.6 x 0.8 x 0.95
74479773147 0.5 1.4 1.2 100.00 2 x 1.25 x 0.6
74479776147 0.5 1.6 1.9 80.00 2 x 1.6 x 1
74479876147 0.5 2.1 2.0 40.00 2 x 1.6 x 1
74479876168 0.7 1.8 1.7 60.00 2 x 1.6 x 1
74479899150 0.5 3.8 1.8 18.00 3.2 x 2.6 x 1.2
74479974156 0.6 1.7 2.4 80.00 2 x 1.2 x 0.5
74479977147 0.5 2.2 2.4 55.00 2 x 1.6 x 0.9
74479977156 0.6 2.1 2.3 65.00 2 x 1.6 x 0.9
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