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DC / DC Switching Regulators:

8,339 Products Found

Farnell 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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DC / DC Converter Type
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Supply Voltage Min
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Supply Voltage Max
Supply Voltage Range
PWM Input Frequency
Input Voltage Min
No. of Monitored Voltages
Duty Cycle (%)
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Input Voltage Max
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ADC / DAC Case Style
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Max Output Current
Output Current - Output 1
Output Current
Reset Output Type
Output Current - Output 2
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Output Voltage - Output 1
Switching Frequency Max
Output Voltage - Output 2
IC Mounting
Output Voltage Nom
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Output Voltage Max
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1077141

RoHS

Each
1+
€2.060
10+
€1.530
25+
€1.400
50+
€1.290
100+
€1.150
More Pricing...
Total:€2.06
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
4.4V
-
-
-
36V
-
-
-
1A
-
1A
-
-
SOIC
8Pins
-
-
-
Surface Mount
-
-
-
1.2V
35V
250kHz
90%
-40°C
150°C
-
-
1800207

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€0.667
25+
€0.554
100+
€0.511
3000+
€0.470
Total:€0.67
Min: 1 / Mult: 1
-
-
-
-
-
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
-
-
1698209

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.390
10+
€1.020
50+
€0.930
100+
€0.779
250+
€0.732
More Pricing...
Total:€1.39
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
9V
-
-
-
46V
-
-
-
3A
-
3A
-
-
QFN
16Pins
-
-
-
Surface Mount
-
-
-
800mV
5V
2MHz
-
-40°C
105°C
-
-
1077143

RoHS

Each
Packaging Options
1+
€2.230
10+
€1.700
25+
€1.560
50+
€1.480
100+
€1.340
More Pricing...
Total:€2.23
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
4V
-
-
-
36V
-
-
-
2A
-
2A
-
-
HSOP
8Pins
-
-
-
Surface Mount
-
-
-
1.235V
35V
500kHz
90%
-40°C
150°C
-
-
1077142

RoHS

Each
1+
€1.490
10+
€1.250
50+
€1.180
100+
€1.170
250+
€1.160
More Pricing...
Total:€1.49
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
4.4V
-
-
-
36V
-
-
-
2A
-
2A
-
-
SOIC
8Pins
-
-
-
Surface Mount
-
-
-
1.235V
35V
250kHz
90%
-40°C
150°C
-
-
2514030

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€8.290
10+
€7.000
25+
€6.650
100+
€6.270
250+
€6.060
More Pricing...
Total:€8.29
Min: 1 / Mult: 1
-
-
-
-
-
Fixed
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
4.5V
-
-
-
24V
-
-
-
600mA
-
600mA
-
-
µMAX
8Pins
-
-
-
Surface Mount
5V
5V
-
1.25V
24V
200kHz
95%
-40°C
85°C
-
-
2414135

RoHS

Each
1+
€1.420
25+
€1.180
100+
€1.090
250+
€1.040
Total:€1.42
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4.4V
-
-
-
30V
-
-
-
1A
-
1A
-
-
MSOP
8Pins
-
-
-
Surface Mount
-
-
-
2V
24V
500kHz
95%
-40°C
125°C
-
AEC-Q100
3133319

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.080
10+
€1.540
25+
€1.410
50+
€1.300
100+
€1.160
More Pricing...
Total:€2.08
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
3Outputs
-
-
3 Output
Buck (Step Down)
-
-
-
-
4.5V
-
-
-
34V
-
-
-
-
1.5A
-
-
1.5A
QFN-EP
20Pins
5V
-
3.3V
Surface Mount
-
-
-
800mV
5V
550kHz
-
-40°C
85°C
-
-
3357980

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.350
10+
€2.230
25+
€2.040
50+
€1.880
100+
€1.590
More Pricing...
Total:€2.35
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4.5V
-
-
-
24V
-
-
-
3A
-
3A
-
-
TSOT-23
8Pins
-
-
-
Surface Mount
-
-
-
800mV
22.8V
500kHz
-
-40°C
125°C
-
-
3212629

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.110
10+
€1.580
50+
€1.440
100+
€1.230
250+
€1.160
More Pricing...
Total:€2.11
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
3V
-
-
-
28V
-
-
-
8A
-
8A
-
-
PowerPAK MLP44
24Pins
-
-
-
Surface Mount
-
-
-
600mV
25.2V
1MHz
97%
-40°C
105°C
-
-
3358095

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.730
10+
€1.720
25+
€1.710
50+
€1.700
100+
€1.690
More Pricing...
Total:€1.73
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
3.3V
-
-
-
36V
-
-
-
2.2A
-
2.2A
-
-
QFN
16Pins
-
-
-
Surface Mount
-
-
-
-
-
2.5MHz
-
-40°C
125°C
-
AEC-Q100
2435544

RoHS

Each
1+
€2.310
10+
€1.740
25+
€1.430
50+
€1.320
100+
€1.260
More Pricing...
Total:€2.31
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4V
-
-
-
38V
-
-
-
2A
-
2A
-
-
HTSSOP
16Pins
-
-
-
Surface Mount
-
-
-
850mV
38V
2MHz
-
-40°C
150°C
-
-
2809949

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.180
25+
€0.978
100+
€0.883
3000+
€0.865
Total:€1.18
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
4V
-
-
-
30V
-
-
-
600mA
-
600mA
-
-
SOT-23
6Pins
-
-
-
Surface Mount
-
-
-
2V
15V
500kHz
96%
-40°C
125°C
-
AEC-Q100
2857600

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.700
25+
€1.410
100+
€1.280
3300+
€1.220
Total:€1.70
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4.4V
-
-
-
30V
-
-
-
1A
-
1A
-
-
TDFN
8Pins
-
-
-
Surface Mount
-
-
-
2V
24V
500kHz
95%
-40°C
125°C
-
AEC-Q100
2857625

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.560
25+
€2.130
100+
€1.940
2500+
€1.780
Total:€2.56
Min: 1 / Mult: 1
-
-
-
-
-
Fixed
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
4V
-
-
-
34V
-
-
-
1.3A
-
1.3A
-
-
SOIC
8Pins
-
-
-
Surface Mount
3.3V
3.3V
-
-
-
200kHz
90%
-40°C
125°C
1.3A 3.3V DC/DC Switching Regulators
-
2758889

RoHS

Each
1+
€8.080
10+
€6.250
Total:€8.08
Min: 1 / Mult: 1
-
-
Module
-
-
Fixed, Adjustable
1Outputs
-
-
1 Output
Synchronous Buck (Step Down)
-
-
-
-
3.5V
-
-
-
36V
-
-
-
2A
-
2A
-
-
TQFN
20Pins
-
-
-
Surface Mount
3.3V
3.3V
-
1V
10V
2.2MHz
-
-40°C
125°C
-
AEC-Q100
3357919

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€0.827
10+
€0.805
50+
€0.783
100+
€0.761
250+
€0.749
More Pricing...
Total:€0.83
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4.7V
-
-
-
16V
-
-
-
2A
-
2A
-
-
TSOT-23
6Pins
-
-
-
Surface Mount
-
-
-
800mV
14.4V
490kHz
-
-40°C
125°C
-
-
3212631

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€4.380
10+
€3.340
25+
€3.080
50+
€2.830
100+
€2.580
More Pricing...
Total:€4.38
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4.5V
-
-
-
20V
-
-
-
25A
-
25A
-
-
PowerPAK MLP34-57
34Pins
-
-
-
Surface Mount
-
-
-
300mV
12V
600kHz
98%
-40°C
85°C
-
-
3358034

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.310
10+
€1.720
25+
€1.570
50+
€1.440
100+
€1.310
More Pricing...
Total:€2.31
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
4V
-
-
-
30V
-
-
-
2A
-
2A
-
-
TSOT-23
8Pins
-
-
-
Surface Mount
-
-
-
800mV
27V
410kHz
-
-40°C
125°C
-
-
3516954

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€3.540
10+
€2.610
25+
€2.400
50+
€2.210
100+
€2.040
More Pricing...
Total:€3.54
Min: 1 / Mult: 1
-
-
-
-
-
Fixed
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
3.7V
-
-
-
35V
-
-
-
2A
-
2A
-
-
TSSOP-EP
14Pins
-
-
-
Surface Mount
3.3V
3.3V
-
-
-
2.8MHz
-
-40°C
150°C
-
AEC-Q100
3357957

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.830
10+
€1.350
50+
€1.240
100+
€1.010
250+
€0.957
Total:€1.83
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
2Outputs
-
-
2 Output
Synchronous Buck (Step Down)
-
-
-
-
2.7V
-
-
-
6V
-
-
-
1A
1A
-
-
1A
TSOT-23
8Pins
5.5V
-
5.5V
Surface Mount
-
-
-
608mV
6V
1MHz
93%
-40°C
125°C
-
-
3392509

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.320
10+
€1.730
25+
€1.580
50+
€1.500
100+
€1.350
More Pricing...
Total:€2.32
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Synchronous Buck (Step Down)
-
-
-
-
5V
-
-
-
36V
-
-
-
600mA
-
600mA
-
-
TSOT-23
6Pins
-
-
-
Surface Mount
-
-
-
800mV
34.2V
2MHz
90%
-40°C
125°C
-
-
3133319RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.160
250+
€1.090
500+
€1.060
1000+
€1.010
Total:€116.00
Min: 100 / Mult: 1
-
-
-
-
-
Adjustable
3Outputs
-
-
3 Output
Buck (Step Down)
-
-
-
-
4.5V
-
-
-
34V
-
-
-
-
1.5A
-
-
1.5A
QFN-EP
20Pins
5V
-
3.3V
Surface Mount
-
-
-
800mV
5V
550kHz
-
-40°C
85°C
-
-
3358020

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€3.170
10+
€2.470
50+
€2.340
100+
€2.080
250+
€1.740
Total:€3.17
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Boost (Step Up)
-
-
-
-
860mV
-
-
-
5.5V
-
-
-
1.1A
-
1.1A
-
-
TSOT-23
8Pins
-
-
-
Surface Mount
-
-
-
1.8V
5.5V
-
80%
-40°C
125°C
-
-
1698209RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€0.779
250+
€0.732
500+
€0.705
1000+
€0.641
2500+
€0.624
Total:€77.90
Min: 100 / Mult: 1
-
-
-
-
-
Adjustable
1Outputs
-
-
-
Buck (Step Down)
-
-
-
-
9V
-
-
-
46V
-
-
-
3A
-
3A
-
-
QFN
16Pins
-
-
-
Surface Mount
-
-
-
800mV
5V
2MHz
-
-40°C
105°C
-
-
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