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DC / DC Switching Regulators :

5,328 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

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Date/Lot Code

Each
1+$3.480
10+$2.570
100+$2.040
500+$1.930
1000+$1.890
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-
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
-
25M9045

RoHS

Each
1+$3.630
10+$2.700
25+$2.460
50+$2.270
100+$2.020
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
4.4V
-
-
-
-
-
36V
-
1A
-
1A
-
SOIC
-
-
8Pins
Surface Mount
-
-
-
1.2V
-
35V
250kHz
90%
-40°C
150°C
-
-
71Y9197

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$0.877
50+$0.574
100+$0.509
250+$0.478
500+$0.459
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-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck, Boost, Inverting
-
-
-
-
3V
-
-
-
-
-
40V
-
1.5A
-
1.5A
-
SOIC
-
-
8Pins
Surface Mount
-
-
-
-
-
-
33kHz
89%
0°C
70°C
-
-
38Y7968

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$2.390
50+$1.600
100+$1.420
250+$1.330
500+$1.280
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
2.5V
-
-
-
-
-
18V
-
3A
-
3A
-
PowerSO
-
-
8Pins
Surface Mount
-
-
-
800mV
-
-
900kHz
90%
-40°C
125°C
-
-
73Y2498

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$11.060
25+$7.990
50+$7.650
100+$7.300
250+$7.170
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Synchronous Boost (Step Up)
-
-
-
-
700mV
-
-
-
-
-
5.5V
-
300mA
-
300mA
-
µMAX
-
-
8Pins
Surface Mount
-
-
-
3.3V
-
5V
500kHz
94%
-40°C
85°C
-
-
38Y7889

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$3.490
50+$2.360
100+$2.130
250+$2.000
500+$1.950
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
8V
-
-
-
-
-
36V
-
1A
-
1A
-
SOIC
-
-
8Pins
Surface Mount
-
-
-
1.235V
-
34V
250kHz
90%
-40°C
150°C
-
-
86W0521

RoHS

Each
1+$3.910
10+$2.930
100+$2.400
500+$2.210
1000+$2.150
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
4.5V
-
-
-
-
-
38V
-
3A
-
3A
-
HSOP
-
-
8Pins
Surface Mount
-
-
-
600mV
-
-
250kHz
-
-40°C
150°C
-
-
26M1408

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$0.695
50+$0.438
100+$0.381
250+$0.353
500+$0.336
More Pricing...
-
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
-
-
84X5965

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$1.750
50+$1.470
100+$1.450
250+$1.420
500+$1.380
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Boost (Step Up)
-
-
-
-
2.4V
-
-
-
-
-
5.5V
-
200mA
-
200mA
-
SOT-23
-
-
5Pins
Surface Mount
-
-
-
-
-
32V
500kHz
92%
-40°C
125°C
-
-
81Y6426

RoHS

Each
1+$3.560
10+$2.650
100+$2.110
500+$2.070
1000+$2.030
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
-
-
47AC9697

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$5.390
50+$3.750
100+$3.380
250+$3.210
500+$3.180
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
-
-
14AC8297

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$3.090
50+$2.090
100+$1.860
250+$1.750
500+$1.700
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
-
-
50AC9399

RoHS

Date/Lot Code

Each
1+$5.230
10+$3.960
100+$3.290
500+$3.120
1000+$3.010
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4.5V
-
-
-
-
-
36V
-
2A
-
2A
-
TQFN
-
-
16Pins
Surface Mount
-
-
-
900mV
-
32.4V
2.2MHz
94%
-40°C
125°C
-
-
28AH5904

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$7.870
50+$7.630
100+$7.390
250+$7.160
500+$6.920
More Pricing...
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
4.5V
-
-
-
-
-
42V
-
5A
-
5A
-
WSON
-
-
10Pins
Surface Mount
-
-
-
800mV
-
41V
500kHz
-
-40°C
85°C
-
-
28AH3514

RoHS

TEXAS INSTRUMENTS
Each
1+$6.380
10+$6.120
25+$5.870
50+$5.600
100+$5.340
More Pricing...
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
7.5V
-
-
-
-
-
100V
-
600mA
-
600mA
-
SO PowerPAD
-
-
8Pins
Surface Mount
-
-
-
1.225V
-
90V
1MHz
-
-40°C
125°C
-
-
69AH1019

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$1.070
50+$0.695
100+$0.613
250+$0.573
500+$0.549
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck, Boost, Inverting
-
-
-
-
3V
-
-
-
-
-
40V
-
1.5A
-
1.5A
-
SOIC
-
-
8Pins
Surface Mount
-
-
-
1.25V
-
38V
33kHz
89%
-40°C
125°C
-
-
29AH1070

RoHS

TEXAS INSTRUMENTS
Each (Supplied on Cut Tape)
Cut Tape
1+$3.600
50+$2.470
100+$2.220
250+$2.100
500+$2.070
More Pricing...
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
4.5V
-
-
-
-
-
42V
-
300mA
-
300mA
-
SOT-23
-
-
6Pins
-
-
-
-
765mV
-
34V
-
-
-40°C
125°C
-
-
33AH4104

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$8.370
50+$5.890
100+$5.870
250+$5.840
500+$5.810
More Pricing...
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
6.5V
-
-
-
-
-
40V
-
1A
-
1A
-
SOIC
-
-
8Pins
-
-
-
-
1.23V
-
37V
-
-
-
125°C
-
-
41AH8543

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$3.240
50+$2.700
100+$2.670
250+$2.610
500+$2.560
More Pricing...
-
Fixed
-
Fixed
-
-
-
-
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
2.7V
-
-
-
-
-
5.5V
-
600mA
-
600mA
-
MLF
-
-
12Pins
Surface Mount
-
1.2V
1.2V
-
-
-
4MHz
93%
-40°C
125°C
-
-
28AH3141

RoHS

Each
1+$10.310
10+$7.990
25+$7.870
50+$7.760
100+$7.630
More Pricing...
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
4.5V
-
-
-
-
-
60V
-
1A
-
1A
-
TO-263 (D2PAK)
-
-
5Pins
Surface Mount
-
-
-
1.2V
-
57V
150kHz
76%
-40°C
125°C
-
-
28AH5994

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$2.180
50+$1.560
100+$1.420
250+$1.360
500+$1.340
More Pricing...
-
-
-
-
-
-
-
-
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4.75V
-
-
-
-
-
28V
-
500mA
-
-
-
WSON
-
-
10Pins
Surface Mount
-
-
-
1V
-
6V
1MHz
-
-40°C
85°C
-
-
73R3625

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$1.070
50+$0.892
100+$0.858
250+$0.821
500+$0.805
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Synchronous Boost (Step Up)
-
-
-
-
650mV
-
-
-
-
-
5.5V
-
350mA
-
350mA
-
SOT-23
-
-
6Pins
Surface Mount
-
-
-
2V
-
5.5V
500kHz
96%
-40°C
85°C
-
-
25M9041

RoHS

STMICROELECTRONICS
Each
1+$6.640
10+$5.070
25+$4.500
50+$4.350
100+$4.200
More Pricing...
-
-
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
8V
-
-
-
-
-
55V
-
1.5A
-
1.5A
-
SOIC
-
-
16Pins
Surface Mount
-
-
-
3.3V
-
50V
100kHz
93%
-40°C
150°C
-
-
88H4721

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$1.110
50+$0.726
100+$0.637
250+$0.594
500+$0.569
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck, Boost, Inverting
-
-
-
-
3V
-
-
-
-
-
40V
-
1.5A
-
1.5A
-
SOIC
-
-
8Pins
Surface Mount
-
-
-
1.25V
-
40V
33kHz
87.7%
-40°C
85°C
-
-
25M9042

RoHS

Each
1+$5.450
10+$4.240
25+$3.990
50+$3.740
100+$3.590
More Pricing...
-
Adjustable
-
Adjustable
-
-
-
-
-
1Outputs
-
-
-
-
Buck (Step Down)
-
-
-
-
8V
-
-
-
-
-
55V
-
2A
-
2A
-
DIP
-
-
8Pins
Through Hole
-
-
-
3.3V
-
50V
100kHz
87%
-40°C
150°C
-
-
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