MCP1640 Boost Converter Overview

Description

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MCP1640 is a 5.50 V, 0.85 A switch current limit sync Boost Converter from . The input voltage from 0.65 V to 5.50 V  can be boosted into an output voltage ranging from 2.00 V to 5.50 V.

Features of the Boost Converter are fixed 500 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 93 %. The minimum external component count is 5 and MCP1640 is available in 2 package option(s): SOT23-6 DFN-8 .

For MCP1640 replacement search, 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. 0.65 V
V-IN max. 5.50 V
Current-Limit typ.? 0.85 A
V-OUT min. 2.00 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 500 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. -220 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 93 %
Component count min. 5
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT SOT23-6
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

MCP1640 Datasheet

Link to the most up-to-date MCP1640 datasheet and the product page for EVM, tools and support information.

MCP1640

MCP1640 Price breaks and distributor sample stock

MCP1640 prices and available online distributors.

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Available Distributors with stock: 0

no online Distributor with MCP1640 stock available

Available Distributors with stock: 0

no online Distributor with MCP1640 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to MCP1640. Optional, compare MCP1640 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% TPS61200 TPS61200 product overviewTPS61200 product overview Texas Instruments QFN-10
10% ISL9111 ISL9111 product overviewISL9111 product overview Intersil SOT23-6
10% ISL9111A ISL9111A product overviewISL9111A product overview Intersil SOT23-6
10% LTC3528 LTC3528 product overviewLTC3528 product overview Linear Technology DFN-8
10% LTC3537 LTC3537 product overviewLTC3537 product overview Linear Technology QFN-16
10% MP3120 MP3120 product overviewMP3120 product overview MPS TSOT23-6
25% AS1337 AS1337 product overviewAS1337 product overview AMS TDFN-8
25% LTC3429 LTC3429 product overviewLTC3429 product overview Linear Technology TSOT23-6
25% LTC3526 LTC3526 product overviewLTC3526 product overview Linear Technology DFN-6
25% LTC3527-1 LTC3527-1 product overviewLTC3527-1 product overview Linear Technology QFN-16
25% LTC3535 LTC3535 product overviewLTC3535 product overview Linear Technology DFN-12
25% MAX848 MAX848 product overviewMAX848 product overview Maxim Integrated SO-16
25% TPS61028 TPS61028 product overviewTPS61028 product overview Texas Instruments QFN-10
25% TPS61260 TPS61260 product overviewTPS61260 product overview Texas Instruments SON-6
50% LTC3527 LTC3527 product overviewLTC3527 product overview Linear Technology QFN-16
50% MP3418 MP3418 product overviewMP3418 product overview MPS TSOT23-8
50% MCP16251 MCP16251 product overviewMCP16251 product overview Microchip SOT23-6, TDFN
50% MCP16252 MCP16252 product overviewMCP16252 product overview Microchip SOT23-6, TDFN

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MCP1640.

V-IN min. 0.65 V, Current-Limit typ. 0.85 A, V-OUT max. 5.5 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744305040 0.4 28.0 20.0 0.16 13.5 x 13.3 x 5.2
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
7443081040 0.4 38.0 21.0 0.29 9.4 x 6.2 x 8.1
744314047 0.5 18.0 20.0 1.35 7 x 6.9 x 5
744316033 0.3 18.5 20.0 1.75 5.5 x 5.3 x 4.3
744316047 0.5 15.0 16.0 2.75 5.5 x 5.3 x 4.3
744373240033 0.3 8.0 16.5 7.80 4.45 x 4.06 x 2
744373340033 0.3 8.2 24.0 6.30 5.7 x 5.2 x 2
744373360033 0.3 9.6 22.0 4.30 5.7 x 5.2 x 3
744373360047 0.5 8.3 20.0 6.40 5.7 x 5.2 x 3
744383560033 0.3 9.6 12.4 6.00 4.1 x 4.1 x 2.1
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