DC / DC Switching Regulators:

4,221 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+
$2.470
10+
$1.820
100+
$1.430
500+
$1.330
-
-
-
-
-
-
-
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+
$2.110
10+
$1.720
100+
$1.370
500+
$1.220
1000+
$1.210
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
-
-
-
86W0718

RoHS

STMICROELECTRONICS
Each (Supplied on Cut Tape)
Cut Tape
1+
$2.080
10+
$1.530
25+
$1.400
50+
$1.330
100+
$1.250
More Pricing...
-
-
-
-
-
-
-
Adjustable
-
Adjustable
-
-
-
1Outputs
-
Buck (Step Down)
-
-
-
-
-
-
-
5.5V
-
-
48V
-
-
-
-
3A
-
3A
HSOP
-
-
-
8Pins
-
Surface Mount
-
-
1.22V
-
-
850kHz
-
-40°C
150°C
-
-
-
45X4539

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$2.280
10+
$1.690
25+
$1.530
50+
$1.460
100+
$1.380
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
-
-
-
38Y7968

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$1.820
10+
$1.350
25+
$1.230
50+
$1.160
100+
$1.090
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+
$7.960
10+
$6.160
25+
$5.710
50+
$5.460
100+
$5.210
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+
$2.400
10+
$1.790
100+
$1.450
500+
$1.310
1000+
$1.280
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+
$0.543
10+
$0.396
25+
$0.359
50+
$0.339
-
-
-
-
-
-
-
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+
$1.560
10+
$1.430
25+
$1.300
50+
$1.240
100+
$1.170
-
-
-
-
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
Boost (Step Up)
-
-
-
-
-
-
-
2.4V
-
-
5.5V
-
-
-
-
375mA
-
375mA
SOT-23
-
-
-
5Pins
-
Surface Mount
-
-
-
-
32V
500kHz
92%
-40°C
125°C
-
-
-
10AC8011

RoHS

Date/Lot Code

Each
1+
$2.260
10+
$2.120
25+
$1.970
50+
$1.910
100+
$1.840
-
-
-
-
-
-
-
Fixed
-
Fixed
-
-
-
1Outputs
-
Buck (Step Down)
-
-
-
-
-
-
-
4V
-
-
40V
-
-
-
-
3A
-
3A
TO-220
-
-
-
5Pins
-
Through Hole
5V
5V
-
-
-
52kHz
82%
-40°C
85°C
-
-
-
47AC9697

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.880
10+
$2.940
25+
$2.700
50+
$2.560
100+
$2.430
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
-
-
-
81AC4442

RoHS

Date/Lot Code

ALLEGRO MICROSYSTEMS
Each (Supplied on Cut Tape)
Cut Tape
1+
$1.670
10+
$1.220
25+
$1.110
50+
$1.030
100+
$0.961
More Pricing...
-
-
-
-
-
-
-
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+
$2.070
10+
$1.520
100+
$1.240
500+
$1.120
1000+
$1.090
-
-
-
-
-
-
-
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+
$2.220
25+
$1.500
50+
$1.420
100+
$1.340
250+
$1.270
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
-
-
-
28AH2897

RoHS

Date/Lot Code

Each
1+
$6.310
10+
$5.930
25+
$5.620
50+
$5.370
150+
$5.150
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
-
-
45AJ0643

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$0.808
10+
$0.619
25+
$0.589
50+
$0.561
100+
$0.529
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
-
-
-
54AH3183

RoHS

MONOLITHIC POWER SYSTEMS (MPS)
Each (Supplied on Cut Tape)
Cut Tape
1+
$4.900
-
-
-
-
-
-
-
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+
$3.700
10+
$2.920
25+
$2.720
50+
$2.620
100+
$2.510
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
-
-
-
33AH4071

RoHS

Date/Lot Code

Each (Supplied on Full Reel)
Full Reel
1000+
$3.360
2000+
$3.320
4000+
$3.280
6000+
$3.240
-
-
-
-
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
Buck (Step Down)
-
-
-
-
-
-
-
6V
-
-
42V
-
-
-
-
2A
-
2A
MSOP
-
-
-
10Pins
-
Surface Mount
-
-
2.51V
-
40V
2MHz
-
-40°C
125°C
-
-
-
92AH1798

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$7.530
10+
$6.230
25+
$5.810
50+
$5.770
100+
$5.170
More Pricing...
-
-
-
-
-
-
-
Adjustable
-
Adjustable
-
-
-
1Outputs
-
Buck (Step Down)
-
-
-
-
-
-
-
4.5V
-
-
55V
-
-
-
-
3A
-
3A
HSOIC
-
-
-
8Pins
-
Surface Mount
-
-
800mV
-
45V
100kHz
-
-40°C
85°C
-
-
-
28AH5507

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$1.500
10+
$1.100
25+
$0.993
50+
$0.937
100+
$0.881
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
-
-
-
54AH3508

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.330
10+
$2.630
25+
$2.450
50+
$2.360
100+
$2.260
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
-
-
-
76AH4707

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$0.440
10+
$0.325
25+
$0.296
50+
$0.281
100+
$0.265
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+
$0.865
10+
$0.661
25+
$0.618
50+
$0.589
100+
$0.555
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
-
-
-
22AJ0485

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$2.720
10+
$2.140
25+
$1.990
50+
$1.910
100+
$1.830
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
-
-
-
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