MC34063A Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

MC34063A is a 40.00 V, 1.50 A switch current limit non-sync Boost Converter from . The input voltage from 3.00 V to 40.00 V  can be boosted into an output voltage ranging from 1.25 V to 40.00 V.

Features of the Boost Converter are fixed 33 kHz switching frequency, a typical inductor size of 170.0 µH and it offers a peak efficiency of  up to 80 %. The minimum external component count is 9 and MC34063A is available in 2 package option(s): SOIC-8 PDIP-8 .

For MC34063A 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. 3.00 V
V-IN max. 40.00 V
Current-Limit typ.? 1.50 A
V-OUT min. 1.25 V
V-OUT max. 40.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 33 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 4000 µA
Operating min. 0 °C
Operating max. 70 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 170.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 80 %
Component count min. 9
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SOIC-8
SOP
DIP PDIP-8
TO
DDPAK

MC34063A Datasheet

Link to the most up-to-date MC34063A datasheet and the product page for EVM, tools and support information.

MC34063A

MC34063A Price breaks and distributor sample stock

MC34063A prices and available online distributors.

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Available Distributors with stock: 0

no online Distributor with MC34063A stock available

Available Distributors with stock: 0

no online Distributor with MC34063A stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to MC34063A. Optional, compare MC34063A side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1343 AS1343 product overviewAS1343 product overview AMS TDFN-10
0% AS1344 AS1344 product overviewAS1344 product overview AMS TDFN-10
0% LT1172 LT1172 product overviewLT1172 product overview Linear Technology SO-8, DIP-8, TO220-5, DD-5
0% LT1172HV LT1172HV product overviewLT1172HV product overview Linear Technology SO-8, DIP-8, TO220-5, DD-5
0% LT1372HV LT1372HV product overviewLT1372HV product overview Linear Technology SO-8, PDIP-8
0% LT1373HV LT1373HV product overviewLT1373HV product overview Linear Technology SO-8, PDIP-8
0% LT3467 LT3467 product overviewLT3467 product overview Linear Technology SOT23-6, DFN-6
0% LT3467A LT3467A product overviewLT3467A product overview Linear Technology SOT23-6, DFN-6
0% MIC2172 MIC2172 product overviewMIC2172 product overview Micrel SOIC-8, DIP-8
0% MC33063AV MC33063AV product overviewMC33063AV product overview ON Semiconductor DFN-8, SOIC-8, PDIP-8
0% NCP3063B NCP3063B product overviewNCP3063B product overview ON Semiconductor DFN-8, SOIC-8, PDIP-8
0% NCP3064B NCP3064B product overviewNCP3064B product overview ON Semiconductor DFN-8, SOIC-8, PDIP-8
0% NCV3063 NCV3063 product overviewNCV3063 product overview ON Semiconductor DFN-8, SOIC-8, PDIP-8
0% NCV3064 NCV3064 product overviewNCV3064 product overview ON Semiconductor DFN-8, SOIC-8, PDIP-8
0% NCV33063AV NCV33063AV product overviewNCV33063AV product overview ON Semiconductor SOIC-8, PDIP-8
0% LM2733-X LM2733-X product overviewLM2733-X product overview Texas Instruments SOT23-5
0% LMR64010 LMR64010 product overviewLMR64010 product overview Texas Instruments SOT23-5
10% AS1340 AS1340 product overviewAS1340 product overview AMS TDFN-8
10% LT1373 LT1373 product overviewLT1373 product overview Linear Technology SO-8, PDIP-8
10% LT1377 LT1377 product overviewLT1377 product overview Linear Technology SO-8, PDIP-8
10% LT1618 LT1618 product overviewLT1618 product overview Linear Technology MSOP-10, DFN-10
10% LT1946 LT1946 product overviewLT1946 product overview Linear Technology MSOP-8
10% LT1946A LT1946A product overviewLT1946A product overview Linear Technology MSOP-8
10% LT1961 LT1961 product overviewLT1961 product overview Linear Technology MSOP-8
10% MIC2250-1 MIC2250-1 product overviewMIC2250-1 product overview Micrel SOT23-5
10% MIC2250-2 MIC2250-2 product overviewMIC2250-2 product overview Micrel SOT23-5
10% CS5171 CS5171 product overviewCS5171 product overview ON Semiconductor SOIC-8
10% CS5173 CS5173 product overviewCS5173 product overview ON Semiconductor SOIC-8
10% LM2733-Y LM2733-Y product overviewLM2733-Y product overview Texas Instruments SOT23-5
10% TPS61170 TPS61170 product overviewTPS61170 product overview Texas Instruments QFN-6
10% TPS61170-Q1 TPS61170-Q1 product overviewTPS61170-Q1 product overview Texas Instruments QFN-6
10% LT8330 LT8330 product overviewLT8330 product overview Linear Technology TSOT23-6, DFN-8
25% LT1372 LT1372 product overviewLT1372 product overview Linear Technology SO-8, PDIP-8
25% LT1930 LT1930 product overviewLT1930 product overview Linear Technology TSOT23-5
25% LT1930A LT1930A product overviewLT1930A product overview Linear Technology TSOT23-5
25% MIC2288 MIC2288 product overviewMIC2288 product overview Micrel SOT23-5, MLF-8
25% MIC2295 MIC2295 product overviewMIC2295 product overview Micrel SOT23-5, MLF-8
25% MIC2296 MIC2296 product overviewMIC2296 product overview Micrel SOT23-5, MLF-8
25% NCV5171 NCV5171 product overviewNCV5171 product overview ON Semiconductor SOIC-8
25% NCV5173 NCV5173 product overviewNCV5173 product overview ON Semiconductor SOIC-8
50% AP5727 AP5727 product overviewAP5727 product overview Diodes SOT25
50% IS31PW3500 IS31PW3500 product overviewIS31PW3500 product overview ISSI DFN-8
50% LT1949 LT1949 product overviewLT1949 product overview Linear Technology MSOP-8, SO-8
50% MIC3172 MIC3172 product overviewMIC3172 product overview Micrel SOIC-8, DIP-8
50% MP3216 MP3216 product overviewMP3216 product overview MPS TSOT23-6
50% NCP1406 NCP1406 product overviewNCP1406 product overview ON Semiconductor TSOP-5
50% FAN5331 FAN5331 product overviewFAN5331 product overview Fairchild SOT23-5
50% G5125 G5125 product overviewG5125 product overview GMT SOT23-5
50% G5135 G5135 product overviewG5135 product overview GMT SOT23-5

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MC34063A.

V-IN min. 3 V, Current-Limit typ. 1.5 A, V-OUT max. 40 V, Frequency typ. 33 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74435580820 8.2 25.5 30.0 2.70 22.5 x 22 x 12.4
74435581000 10.0 21.0 26.0 3.40 22.5 x 22 x 12.4
7443641000 10.0 30.0 37.0 2.40 28 x 28.5 x 18.5
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