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DC / DC Switching Regulators:

28 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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Engineer
Manufacturer
DC / DC Converter Type
Output Type
No. of Outputs
Topology
Input Voltage Min
Input Voltage Max
Max Output Current
Output Current - Output 1
Output Current
Output Current - Output 2
IC Case / Package
No. of Pins
Output Voltage - Output 1
Output Voltage - Output 2
IC Mounting
Output Voltage Min
Output Voltage Max
Switching Frequency Typ
Efficiency
Operating Temperature Min
Operating Temperature Max
Packaging
Filter(s) Applied
1 Filter(s) Selected
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3357982

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£2.550
10+
£1.920
25+
£1.750
50+
£1.670
100+
£1.580
More Pricing...
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4V
19V
3A
-
3A
-
QFN
14Pins
-
-
Surface Mount
600mV
19V
-
-
-40°C
125°C
3357986

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£3.480
10+
£2.300
25+
£2.100
50+
£1.960
100+
£1.810
More Pricing...
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4V
19V
2A
-
2A
-
QFN
14Pins
-
-
Surface Mount
600mV
19V
-
-
-40°C
125°C
3357982RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
£1.580
250+
£1.490
500+
£1.440
1000+
£1.370
Min: 100 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4V
19V
3A
-
3A
-
QFN
14Pins
-
-
Surface Mount
600mV
19V
-
-
-40°C
125°C
3357986RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
£1.810
250+
£1.570
500+
£1.320
1000+
£1.260
Min: 100 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4V
19V
2A
-
2A
-
QFN
14Pins
-
-
Surface Mount
600mV
19V
-
-
-40°C
125°C
2509943

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
£1.600
25+
£1.350
100+
£1.220
1000+
£1.200
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
9A
-
9A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
2667213

RoHS

Date/Lot Code

Each
5000+
£1.900
Min: 5000 / Mult: 5000
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
2A
-
2A
-
FCQFN
20Pins
-
-
Surface Mount
640mV
5.25V
310kHz
95%
-40°C
125°C
3357989

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£7.520
10+
£6.570
25+
£5.540
50+
£5.180
100+
£4.810
More Pricing...
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
3.9V
19V
4A
-
4A
-
QFN
14Pins
-
-
Surface Mount
600mV
19V
-
-
-40°C
125°C
2708668

RoHS

Date/Lot Code

Each
1+
£5.820
25+
£5.090
100+
£4.220
500+
£3.830
Min: 1 / Mult: 1
Module
Adjustable
1Outputs
1 Output
Synchronous Buck (Step Down)
4.5V
19V
5A
-
5A
-
QFN
54Pins
-
-
Surface Mount
700mV
3.3V
790kHz
82%
-40°C
125°C
2534505RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
£1.170
5000+
£1.150
Min: 100 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
5A
-
5A
-
QFN
20Pins
-
-
Surface Mount
700mV
3.3V
400kHz
90%
-40°C
125°C
2534505

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
£1.540
25+
£1.280
100+
£1.170
5000+
£1.150
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
5A
-
5A
-
QFN
20Pins
-
-
Surface Mount
700mV
3.3V
400kHz
90%
-40°C
125°C
2509942

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
£1.600
25+
£1.350
100+
£1.220
1000+
£1.200
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
9A
-
9A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
2509943RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
£1.220
1000+
£1.200
Min: 100 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
9A
-
9A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
3357989RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
£6.570
25+
£5.540
50+
£5.180
100+
£4.810
250+
£3.770
More Pricing...
Min: 10 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
3.9V
19V
4A
-
4A
-
QFN
14Pins
-
-
Surface Mount
600mV
19V
-
-
-40°C
125°C
2509942RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
£1.220
1000+
£1.200
Min: 100 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
9A
-
9A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
3926362

RoHS

Date/Lot Code

Tube of 1
9780+
£3.600
Min: 9780 / Mult: 9780
-
Adjustable
2Outputs
2 Output
Synchronous Buck (Step Down)
4.5V
19V
2A
2A
-
1A
TQFN-EP
32Pins
16.5V
16.5V
Surface Mount
800mV
4.95V
1.9MHz
86%
-40°C
125°C
3926361

RoHS

Date/Lot Code

Tube of 1
60+
£5.830
Min: 60 / Mult: 60
-
Adjustable
2Outputs
2 Output
Synchronous Buck-Boost
4.5V
19V
1A, 2A
2A
-
1A
TQFN-EP
32Pins
16.5V
16.5V
Surface Mount
800mV
28V
2.2MHz
78%
-40°C
125°C
3926363

RoHS

Date/Lot Code

Each (Supplied on Full Reel)
Full Reel
2500+
£4.000
Min: 2500 / Mult: 2500
-
Adjustable
2Outputs
2 Output
Synchronous Buck (Step Down)
4.5V
19V
2A
2A
-
1A
TQFN-EP
32Pins
16.5V
16.5V
Surface Mount
800mV
4.95V
1.9MHz
86%
-40°C
125°C
2343659

RoHS

Each
1+
£1.020
10+
£0.945
100+
£0.909
250+
£0.885
500+
£0.874
More Pricing...
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
12A
-
12A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
2610456

RoHS

Each
1+
£1.510
10+
£1.390
25+
£1.260
50+
£1.200
100+
£1.140
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
5A
-
5A
-
QFN
20Pins
-
-
Surface Mount
700mV
3.3V
400kHz
90%
-40°C
125°C
2343658

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£0.927
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
9A
-
9A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
2343660

RoHS

Each
1+
£1.020
10+
£0.945
100+
£0.909
250+
£0.885
500+
£0.874
More Pricing...
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
12A
-
12A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
2343657

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£0.0001
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
9A
-
9A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
2343656

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£0.785
10+
£0.780
100+
£0.767
250+
£0.754
500+
£0.740
More Pricing...
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
6A
-
6A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
2343655

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
£0.852
10+
£0.793
100+
£0.772
250+
£0.756
500+
£0.721
More Pricing...
Min: 1 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
6A
-
6A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
93%
-40°C
125°C
2343656RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
£0.767
250+
£0.754
500+
£0.740
2000+
£0.727
4000+
£0.706
Min: 100 / Mult: 1
-
Adjustable
1Outputs
-
Synchronous Buck (Step Down)
4.5V
19V
6A
-
6A
-
QFN
28Pins
-
-
Surface Mount
800mV
5.5V
600kHz
95%
-40°C
125°C
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