DC / DC Switching Regulators:

4,223 Products Found

Newark offers an exclusive range of DC-DC switching regulators with improved integration and advanced packaging options. DC-DC switching regulators are essential power management components. 

Unlike linear regulators, switching regulators can step voltage up or down while minimizing power loss as heat. Common topologies include buck (step-down), boost (step-up), and buck-boost converters, each optimized for specific voltage conversion requirements. Modern switching regulators integrate features like synchronous rectification, adaptive frequency control, and protection circuits for overcurrent thermal and undervoltage conditions.

Key applications include smartphones, computers, industrial equipment, and automotive systems, where power efficiency and thermal management are critical. When selecting a switching regulator, engineers consider factors such as input voltage range, output current capability, number of outputs, switching frequency, EMI performance, and solution size.

DC-DC switching regulators offer high efficiency, typically 85-95%, making them ideal for battery-powered devices and energy-sensitive applications. Switching regulators, as their name suggests, control the turning on and off of a switch (transistor) to transfer energy from its input to its output.

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26K3602

RoHS

Date/Lot Code

Each
1+
$3.440
10+
$2.530
100+
$1.990
500+
$1.850
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
7V
-
-
-
-
-
-
40V
-
3A
3A
TO-220
-
-
-
5Pins
-
Through Hole
-
-
1.23V
-
37V
52kHz
77%
-40°C
125°C
LM2576 Series
-
-
72T2496

RoHS

Date/Lot Code

Each
1+
$2.940
10+
$2.390
100+
$1.910
500+
$1.700
1000+
$1.690
More Pricing...
-
-
-
-
-
-
-
-
-
Fixed
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
4.75V
-
-
-
-
-
-
40V
-
1A
1A
TO-263 (D2PAK)
-
-
-
5Pins
-
Surface Mount
5V
5V
-
-
-
52kHz
77%
-40°C
125°C
-
-
-
45X4539

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.170
10+
$2.350
25+
$2.130
50+
$2.030
100+
$1.920
More Pricing...
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
4.4V
-
-
-
-
-
-
36V
-
1A
1A
SOIC
-
-
-
8Pins
-
Surface Mount
-
-
1.2V
-
35V
250kHz
90%
-40°C
150°C
-
-
-
86W0718

RoHS

STMICROELECTRONICS
Each (Supplied on Cut Tape)
Cut Tape
1+
$2.900
10+
$2.130
25+
$1.950
50+
$1.850
100+
$1.740
More Pricing...
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
5.5V
-
-
-
-
-
-
48V
-
3A
3A
HSOP
-
-
-
8Pins
-
Surface Mount
-
-
1.22V
-
-
850kHz
-
-40°C
150°C
-
-
-
38Y7968

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$2.530
10+
$1.880
25+
$1.710
50+
$1.620
100+
$1.520
More Pricing...
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
2.5V
-
-
-
-
-
-
18V
-
-
3A
PowerSO
-
-
-
8Pins
-
Surface Mount
-
-
800mV
-
-
900kHz
90%
-40°C
125°C
-
-
-
73Y5883

RoHS

Date/Lot Code

Each
1+
$11.070
10+
$8.570
25+
$7.940
50+
$7.590
100+
$7.250
More Pricing...
-
-
-
-
-
Fixed
-
-
-
Fixed
-
1Outputs
-
-
-
Boost (Step Up)
-
-
-
-
-
-
-
4.75V
-
-
-
-
-
-
12.6V
-
150mA
150mA
NSOIC
-
-
-
8Pins
-
Surface Mount
12V
12V
11.64V
-
12.6V
170kHz
85%
0°C
70°C
-
-
-
81Y6426

RoHS

Each
1+
$3.340
10+
$2.490
100+
$2.020
500+
$1.820
1000+
$1.780
More Pricing...
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
-
-
-
-
40V
-
3A
3A
TO-263 (D2PAK)
-
-
-
5Pins
-
Surface Mount
-
-
1.23V
-
37V
150kHz
73%
-40°C
125°C
-
-
-
26M1408

RoHS

Date/Lot Code

STMICROELECTRONICS
Each (Supplied on Cut Tape)
Cut Tape
1+
$0.755
10+
$0.551
25+
$0.499
50+
$0.472
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck, Boost, Inverting
-
-
-
-
-
-
-
3V
-
-
-
-
-
-
40V
-
1.5A
1.5A
SOIC
-
-
-
8Pins
-
Surface Mount
-
-
1.25V
-
38V
33kHz
89%
-40°C
85°C
-
-
-
70Y5778

RoHS

Date/Lot Code

Each
1+
$2.170
10+
$1.990
25+
$1.810
50+
$1.730
100+
$1.630
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Boost (Step Up)
-
-
-
-
-
-
-
2.4V
-
-
-
-
-
-
5.5V
-
375mA
375mA
SOT-23
-
-
-
5Pins
-
Surface Mount
-
-
-
-
32V
500kHz
92%
-40°C
125°C
-
-
-
47AC9697

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$5.400
10+
$4.090
25+
$3.760
50+
$3.560
100+
$3.380
More Pricing...
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
-
-
-
-
60V
-
4A
4A
PowerPAK MLP55
-
-
-
27Pins
-
Surface Mount
-
-
800mV
-
55.2V
2MHz
98%
-40°C
105°C
-
-
-
10AC8011

RoHS

Date/Lot Code

Each
1+
$3.150
10+
$2.950
25+
$2.740
50+
$2.660
100+
$2.560
-
-
-
-
-
Fixed
-
-
-
Fixed
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
4V
-
-
-
-
-
-
40V
-
3A
3A
TO-220
-
-
-
5Pins
-
Through Hole
5V
5V
-
-
-
52kHz
82%
-40°C
85°C
-
-
-
81AC4442

RoHS

Date/Lot Code

ALLEGRO MICROSYSTEMS
Each (Supplied on Cut Tape)
Cut Tape
1+
$2.330
10+
$1.700
25+
$1.550
50+
$1.440
100+
$1.340
More Pricing...
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-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
8V
-
-
-
-
-
-
50V
-
-
3A
HSOIC
-
-
-
8Pins
-
Surface Mount
-
-
800mV
-
24V
-
-
-20°C
85°C
-
-
-
51AC9621

RoHS

Date/Lot Code

Each
1+
$2.880
10+
$2.120
100+
$1.730
500+
$1.560
1000+
$1.520
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
4V
-
-
-
-
-
-
18V
-
3A
3A
PowerSO
-
-
-
8Pins
-
Surface Mount
-
-
800mV
-
18V
850kHz
-
-40°C
150°C
-
-
-
14AC8297

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.090
25+
$2.090
50+
$1.980
100+
$1.870
250+
$1.770
More Pricing...
-
-
-
-
-
-
-
-
-
Fixed
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
-
-
-
-
40V
-
2A
2A
QFN-EP
-
-
-
16Pins
-
Surface Mount
5V
5V
-
-
-
1MHz
95%
-40°C
125°C
-
-
-
54AH3183

RoHS

MONOLITHIC POWER SYSTEMS (MPS)
Each (Supplied on Cut Tape)
Cut Tape
1+
$6.820
-
-
-
-
-
Fixed
-
-
-
Fixed
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
2.5V
-
-
-
-
-
-
6V
-
1.2A
1.2A
QFN
-
-
-
12Pins
-
Surface Mount
1.2V
1.2V
-
-
-
3.5MHz
-
-40°C
125°C
-
-
-
54AH3335

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$5.150
10+
$4.060
25+
$3.780
50+
$3.650
100+
$3.490
More Pricing...
-
-
-
-
-
Fixed
-
-
-
Fixed
-
1Outputs
-
-
-
Buck-Boost
-
-
-
-
-
-
-
2.7mV
-
-
-
-
-
-
5.5V
-
1A
1A
QFN-EP
-
-
-
10Pins
-
Surface Mount
3.3V
3.3V
1.5V
-
5V
1MHz
95%
-40°C
125°C
-
-
-
45AJ0643

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$1.130
10+
$0.861
25+
$0.819
50+
$0.780
100+
$0.736
More Pricing...
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
-
-
-
-
18V
-
6A
6A
VQFN2030
-
-
-
12Pins
-
Surface Mount
-
-
600mV
-
7V
1.2MHz
-
-40°C
85°C
-
-
-
28AH2897

RoHS

Date/Lot Code

Each
1+
$8.770
10+
$8.250
25+
$7.820
50+
$7.470
150+
$7.160
More Pricing...
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
-
-
-
-
36V
-
-
3A
HSOIC
-
-
-
8Pins
-
Surface Mount
-
-
1V
-
28V
400kHz
-
-40°C
125°C
SIMPLE SWITCHER LMR23630
-
-
92AH1798

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$10.470
10+
$8.660
25+
$8.080
50+
$8.020
100+
$7.190
More Pricing...
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
-
-
-
-
55V
-
3A
3A
HSOIC
-
-
-
8Pins
-
Surface Mount
-
-
800mV
-
45V
100kHz
-
-40°C
85°C
-
-
-
33AH4071

RoHS

Date/Lot Code

Each (Supplied on Full Reel)
Full Reel
1000+
$4.670
2000+
$4.620
4000+
$4.560
6000+
$4.510
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
-
-
6V
-
-
-
-
-
-
42V
-
2A
2A
MSOP
-
-
-
10Pins
-
Surface Mount
-
-
2.51V
-
40V
2MHz
-
-40°C
125°C
-
-
-
28AH5507

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$2.090
10+
$1.530
25+
$1.380
50+
$1.310
100+
$1.230
More Pricing...
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Boost (Step Up)
-
-
-
-
-
-
-
1.8V
-
-
-
-
-
-
5.5V
-
-
-
SOT-23
-
-
-
6Pins
-
Surface Mount
-
-
3.3V
-
28V
1.05MHz
85%
-40°C
125°C
-
-
-
22AJ0485

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.780
10+
$2.980
25+
$2.770
50+
$2.660
100+
$2.550
More Pricing...
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
6V
-
-
-
-
-
-
26.4V
-
3A
3A
QFN-EP
-
-
-
24Pins
-
Surface Mount
-
-
3V
-
20V
750kHz
96%
-40°C
125°C
-
-
-
76AH4707

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$0.612
10+
$0.452
25+
$0.412
50+
$0.391
100+
$0.369
More Pricing...
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Boost (Step Up)
-
-
-
-
-
-
-
1.2V
-
-
-
-
-
-
12V
-
350mA
350mA
SOT-23
-
-
-
5Pins
-
Surface Mount
-
-
-
-
34V
150kHz
81%
-40°C
85°C
-
-
-
81AH8746

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$1.210
10+
$0.919
25+
$0.859
50+
$0.819
100+
$0.772
More Pricing...
-
-
-
-
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
3.8V
-
-
-
-
-
-
32V
-
2A
2A
TSOT-26
-
-
-
6Pins
-
Surface Mount
-
-
800mV
-
32V
500kHz
-
-40°C
85°C
-
-
-
54AH3508

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$4.630
10+
$3.660
25+
$3.410
50+
$3.280
100+
$3.150
More Pricing...
-
-
-
-
-
Adjustable
-
-
-
Adjustable
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
-
-
-
-
24V
-
8A
8A
QFN
-
-
-
12Pins
-
Surface Mount
-
-
600mV
-
5.5V
700kHz
-
-40°C
125°C
-
-
-
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