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DC / DC Switching Regulators :

5,330 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+$2.500
10+$1.850
100+$1.470
500+$1.390
1000+$1.360
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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+$2.610
10+$1.940
25+$1.770
50+$1.630
100+$1.450
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
-
-
81Y6426

RoHS

Each
1+$2.560
10+$1.910
100+$1.520
500+$1.490
1000+$1.460
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
-
-
38Y7968

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$1.720
50+$1.150
100+$1.020
250+$0.959
500+$0.923
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
-
-
71Y9197

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$0.631
50+$0.413
100+$0.366
250+$0.344
500+$0.330
More Pricing...
Adjustable
-
-
-
-
-
Adjustable
-
-
-
1Outputs
-
-
-
Buck, Boost, Inverting
-
-
-
-
-
3V
-
-
40V
-
-
-
1.5A
1.5A
-
SOIC
-
-
-
8Pins
-
Surface Mount
-
-
-
-
-
33kHz
89%
0°C
70°C
-
-
73Y2498

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$7.790
25+$5.630
50+$5.390
100+$5.140
250+$5.050
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
-
-
86W0521

RoHS

Each
1+$2.810
10+$2.110
100+$1.730
500+$1.590
1000+$1.550
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+$0.500
50+$0.315
100+$0.274
250+$0.254
500+$0.242
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
-
-
38Y7889

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$2.510
50+$1.700
100+$1.530
250+$1.440
500+$1.400
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
-
-
84X5965

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$1.260
50+$1.060
100+$1.040
250+$1.020
500+$0.996
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
-
-
47AC9697

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$3.880
50+$2.700
100+$2.430
250+$2.310
500+$2.290
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+$2.220
50+$1.500
100+$1.340
250+$1.260
500+$1.220
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+$3.680
10+$2.790
100+$2.320
500+$2.200
1000+$2.120
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
-
-
41AH8543

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+$2.330
50+$1.940
100+$1.920
250+$1.880
500+$1.840
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
-
-
81AH8754

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$2.750
50+$1.870
100+$1.740
250+$1.710
500+$1.670
More Pricing...
-
-
-
-
-
-
Adjustable
-
-
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
3.8V
-
-
40V
-
-
-
5A
5A
-
HSOIC
-
-
-
8Pins
-
Surface Mount
-
-
800mV
-
40V
500kHz
85%
-40°C
85°C
-
-
28AH5994

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$1.570
50+$1.120
100+$1.020
250+$0.975
500+$0.963
More Pricing...
-
-
-
-
-
-
-
-
-
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
4.75V
-
-
28V
-
-
-
500mA
-
-
WSON
-
-
-
10Pins
-
Surface Mount
-
-
1V
-
6V
1MHz
-
-40°C
85°C
-
-
29AH1070

RoHS

TEXAS INSTRUMENTS
Each (Supplied on Cut Tape)
Cut Tape
1+$2.590
50+$1.780
100+$1.600
250+$1.510
500+$1.490
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+$6.020
50+$4.240
100+$4.220
250+$4.200
500+$4.180
More Pricing...
-
-
-
-
-
-
Adjustable
-
-
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
6.5V
-
-
40V
-
-
-
1A
1A
-
SOIC
-
-
-
8Pins
-
-
-
-
1.23V
-
37V
-
-
-
125°C
-
-
10AH0959

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$5.420
50+$3.810
100+$3.450
250+$3.270
500+$3.220
More Pricing...
-
-
-
-
-
-
Adjustable
-
-
-
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
-
4.5V
-
-
60V
-
-
-
10A
10A
-
PowerPAK MLP55
-
-
-
27Pins
-
Surface Mount
-
-
800mV
-
55.2V
2MHz
98%
-40°C
105°C
-
-
28AH3141

RoHS

Each
1+$7.420
10+$5.750
25+$5.660
50+$5.580
100+$5.490
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
-
-
69AH1019

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$0.771
50+$0.500
100+$0.441
250+$0.412
500+$0.395
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
-
-
28AH3514

RoHS

TEXAS INSTRUMENTS
Each
1+$4.590
10+$4.400
25+$4.220
50+$4.030
100+$3.840
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
-
-
28AH5904

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+$5.660
50+$5.490
100+$5.320
250+$5.150
500+$4.980
More Pricing...
-
-
-
-
-
-
Adjustable
-
-
-
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
-
4.5V
-
-
42V
-
-
-
5A
5A
-
WSON
-
-
-
10Pins
-
Surface Mount
-
-
800mV
-
41V
500kHz
-
-40°C
85°C
-
-
25M9042

RoHS

Each
1+$3.920
10+$3.050
25+$2.870
50+$2.690
100+$2.580
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
-
-
25M9041

RoHS

STMICROELECTRONICS
Each
1+$4.780
10+$3.650
25+$3.240
50+$3.130
100+$3.020
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
-
-
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