Synchronous Buck (Step Down) DC / DC Switching Regulators:

3,067 Products Found

element14 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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Duty Cycle (%)
Input Voltage Max
Controller IC Case Style
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Output Current - Output 1
Output Current
Output Current - Output 2
IC Case / Package
Output Voltage - Output 1
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No. of Pins
Output Voltage - Output 2
IC Mounting
Output Voltage Nom
Output Voltage Min
Output Voltage Max
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1 Filter(s) Selected
ComparePrice ForQuantity
2420832

RoHS

Each
1+
RM2.240
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
2.7V
-
5.5V
-
3A
-
3A
-
VQFN
-
-
16Pins
-
Surface Mount
-
-
800mV
3.85V
1MHz
-
-40°C
85°C
-
-
2765042

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM12.610
10+
RM12.560
25+
RM12.500
100+
RM12.440
250+
RM12.380
More Pricing...
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
4.5V
-
60V
-
1A
-
1A
-
TDFN
-
-
10Pins
-
Surface Mount
-
-
900mV
55.2V
600kHz
90%
-40°C
125°C
Himalaya Series
-
2857601

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM5.990
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
-
-
3357957

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM4.620
Min: 1 / Mult: 1
-
-
Adjustable
-
2Outputs
2 Output
-
Synchronous Buck (Step Down)
-
2.7V
-
6V
-
1A
1A
-
1A
TSOT-23
5.5V
-
8Pins
5.5V
Surface Mount
-
-
608mV
6V
1MHz
93%
-40°C
125°C
-
-
2362950

RoHS

Each
1+
RM3.690
10+
RM2.000
100+
RM1.790
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
4.5V
-
18V
-
2A
-
2A
-
SOP
-
-
8Pins
-
Surface Mount
-
-
800mV
12V
800kHz
95%
-40°C
85°C
-
-
2857601RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
1+
RM5.990
Min: 100 / 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
-
-
2765042RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM12.440
250+
RM12.380
500+
RM12.320
1000+
RM12.260
Min: 100 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
4.5V
-
60V
-
1A
-
1A
-
TDFN
-
-
10Pins
-
Surface Mount
-
-
900mV
55.2V
600kHz
90%
-40°C
125°C
Himalaya Series
-
3357957RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
1+
RM4.620
Min: 100 / Mult: 1
-
-
Adjustable
-
2Outputs
2 Output
-
Synchronous Buck (Step Down)
-
2.7V
-
6V
-
1A
1A
-
1A
TSOT-23
5.5V
-
8Pins
5.5V
Surface Mount
-
-
608mV
6V
1MHz
93%
-40°C
125°C
-
-
3518311

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM3.780
10+
RM2.420
100+
RM2.220
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
3.8V
-
32V
-
3A
-
3A
-
TSOT-26
-
-
6Pins
-
Surface Mount
-
-
800mV
31V
500kHz
88%
-40°C
85°C
-
-
3357931

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM10.160
10+
RM6.900
50+
RM6.540
100+
RM6.440
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
4.5V
-
16V
-
3A
-
3A
-
TSOT-23
-
-
8Pins
-
Surface Mount
-
-
800mV
15.2V
500kHz
-
-40°C
125°C
-
-
3587064

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
RM16.650
50+
RM15.490
100+
RM14.330
500+
RM13.540
1500+
RM13.340
Min: 5 / Mult: 5
Non Isolated POL
-
Adjustable
-
1Outputs
1 Output
-
Synchronous Buck (Step Down)
-
4.5V
-
20V
-
15A
-
15A
-
PowerPAK MLP34-57
-
-
34Pins
-
Surface Mount
-
-
600mV
12V
1.5MHz
96%
-40°C
85°C
-
-
2433102

RoHS

Each
1+
RM5.020
10+
RM4.640
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
4.5V
-
18V
-
5.5A
-
5.5A
-
SOP
-
-
8Pins
-
Surface Mount
-
-
765mV
8V
650kHz
95%
-40°C
85°C
-
-
2630206

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM3.280
10+
RM2.780
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
2.7V
-
5.5V
-
4A
-
4A
-
WDFN
-
-
8Pins
-
Surface Mount
-
-
800mV
5V
1MHz
-
-40°C
85°C
-
-
2630207

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM6.560
10+
RM4.360
50+
RM4.110
100+
RM3.860
250+
RM3.740
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
2.7V
-
5.5V
-
4A
-
4A
-
SOP
-
-
8Pins
-
Surface Mount
-
-
800mV
5V
1MHz
-
-40°C
85°C
-
-
3104253

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM15.230
10+
RM14.710
25+
RM14.180
50+
RM11.270
100+
RM10.470
More Pricing...
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
3V
-
36V
-
3A
-
3A
-
SOP
-
-
8Pins
-
Surface Mount
-
-
800mV
36V
2.1MHz
-
-40°C
125°C
-
AEC-Q100
3121892

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM8.170
10+
RM5.460
50+
RM5.170
100+
RM4.870
250+
RM4.620
More Pricing...
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
3V
-
17V
-
3A
-
3A
-
VQFN
-
-
16Pins
-
Surface Mount
-
-
900mV
6V
2.5MHz
-
-40°C
85°C
-
-
4033751RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
RM20.490
Min: 100 / Mult: 1
Module
-
Adjustable
-
1Outputs
1 Output
-
Synchronous Buck (Step Down)
-
2.25V
-
5.5V
-
10A
-
10A
-
LQFN-EP
-
-
18Pins
-
Surface Mount
-
-
500mV
5.5V
2MHz
-
-40°C
150°C
-
-
4137623

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM8.760
10+
RM5.930
50+
RM5.610
100+
RM5.290
250+
RM5.090
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
3.5V
-
40V
-
3A
-
3A
-
VQFN24FV4040-EP
-
-
24Pins
-
Surface Mount
-
-
800mV
8.5V
2.2MHz
-
-40°C
125°C
-
AEC-Q100
4137623RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM5.290
250+
RM5.090
Min: 100 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
3.5V
-
40V
-
3A
-
3A
-
VQFN24FV4040-EP
-
-
24Pins
-
Surface Mount
-
-
800mV
8.5V
2.2MHz
-
-40°C
125°C
-
AEC-Q100
4033751

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM22.450
10+
RM20.490
Min: 1 / Mult: 1
Module
-
Adjustable
-
1Outputs
1 Output
-
Synchronous Buck (Step Down)
-
2.25V
-
5.5V
-
10A
-
10A
-
LQFN-EP
-
-
18Pins
-
Surface Mount
-
-
500mV
5.5V
2MHz
-
-40°C
150°C
-
-
2777369

RoHS

Each
1+
RM11.980
10+
RM11.770
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
4.5V
-
60V
-
1.5A
-
1.5A
-
TDFN
-
-
12Pins
-
Surface Mount
-
-
900mV
54V
2.2MHz
94%
-40°C
125°C
Himalaya Series
-
3358190

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM10.950
10+
RM7.460
50+
RM7.080
100+
RM6.030
250+
RM5.830
More Pricing...
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
2.5V
-
6V
-
1.2A
-
1.2A
-
QFN
-
-
12Pins
-
Surface Mount
-
-
600mV
6V
3.5MHz
-
-40°C
125°C
-
-
3234288

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM34.140
10+
RM26.440
25+
RM24.540
50+
RM23.480
100+
RM22.420
More Pricing...
Min: 1 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
1.2V
-
21V
-
35A
-
35A
-
QFN
-
-
34Pins
-
Surface Mount
-
-
500mV
18.375V
1.5MHz
-
-40°C
125°C
-
-
3404580

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM45.860
10+
RM35.870
25+
RM33.380
100+
RM30.640
250+
RM29.330
More Pricing...
Min: 1 / Mult: 1
-
-
Adjustable
-
2Outputs
-
-
Synchronous Buck (Step Down)
-
2.5V
-
5.5V
-
4A
-
4A
-
TQFN-EP
-
-
28Pins
-
Surface Mount
-
-
600mV
5.5V
4MHz
-
-40°C
125°C
-
-
2630206RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
RM2.780
Min: 100 / Mult: 1
-
-
Adjustable
-
1Outputs
-
-
Synchronous Buck (Step Down)
-
2.7V
-
5.5V
-
4A
-
4A
-
WDFN
-
-
8Pins
-
Surface Mount
-
-
800mV
5V
1MHz
-
-40°C
85°C
-
-
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