ADP1111 Boost Converter Overview



ADP1111 is a 45.00 V, 1.00 A switch current limit non-sync Boost Converter from . The input voltage from 2.00 V to 12.60 V  can be boosted into an output voltage ranging from 1.25 V to 45.00 V.

Features of the Boost Converter are fixed 72 kHz switching frequency, a typical inductor size of 22.0 µH and it offers a peak efficiency of  up to 80 %. The minimum external component count is 6 and ADP1111 is available in 2 package option(s): SO-8 PDIP-8 .

For ADP1111 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.

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V-IN min. 2.00 V
V-IN max. 12.60 V
Current-Limit typ.? 1.00 A
V-OUT min. 1.25 V
V-OUT max. 45.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 72 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
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 22.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 80 %
Component count min. 6
current limit adjustable yes
Nr.of package options 2

ADP1111 Datasheet

Link to the most up-to-date ADP1111 datasheet and the product page for EVM, tools and support information.


ADP1111 Price breaks and distributor sample stock

ADP1111 prices and available online distributors.

Available Distributors with stock: 0

no online Distributor with ADP1111 stock available

Available Distributors with stock: 0

no online Distributor with ADP1111 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to ADP1111. Optional, compare ADP1111 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% MAX1605 MAX1605 product overviewMAX1605 product overview Maxim Integrated SOT23-6, TDFN-EP-6
25% TL499A TL499A product overviewTL499A product overview Texas Instruments SO-8, PDIP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of ADP1111.

V-IN min. 2 V, Current-Limit typ. 1 A, V-OUT max. 45 V, Frequency typ. 72 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
7443556260 2.6 31.5 50.0 1.58 18.3 x 18.2 x 9.2
7443556350 3.5 23.7 38.0 3.10 18.3 x 18.2 x 9.2
74435580330 3.3 29.0 45.0 1.70 22.5 x 22 x 12.4
7443630220 2.2 28.0 52.0 1.50 20.8 x 20.5 x 14.5
7443630310 3.1 26.0 45.0 2.09 20.8 x 20.5 x 14.5
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