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Constant Frequency DC / DC Controllers:

51 Products Found

Farnell offers an exclusive range of DC-DC converters that excel in applications ranging from automotive systems and industrial equipment to telecommunications and consumer electronics.

Modern DC-DC controllers incorporate advanced features such as programmable switching frequencies, synchronization capabilities, and adaptive dead-time control. They support various topologies, including buck, boost, buck-boost, and SEPIC configurations.

The primary function of DC-DC converters is to ensure stable and efficient power delivery. To do this, they convert the voltage of a direct current (DC) source from one level to another. DC-DC converters maintain a constant output voltage in applications where input voltage levels can fluctuate due to factors such as battery discharging over time or changes in load conditions. One significant advantage of DC-DC converters is their superior power conversion efficiency.

Key benefits include high-efficiency power conversion, precise output voltage regulation, comprehensive protection features, flexible design options, and support for a wide input voltage range. When selecting a DC-DC controller, engineers must consider input/output voltage requirements, load current, efficiency targets, PCB space constraints, and thermal management needs. For optimal performance, refer to manufacturer design guidelines and application notes specific to your requirements.

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Supply Voltage Min
Supply Voltage Max
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No. of Pins
Switching Frequency
Topology
Operating Temperature Min
Operating Temperature Max
Packaging
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1 Filter(s) Selected
ComparePrice ForQuantity
3535668

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.480
10+
€0.944
50+
€0.804
100+
€0.644
250+
€0.567
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
300kHz
Buck (Step Down)
-40°C
85°C
2851606

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.530
25+
€1.280
100+
€1.170
5000+
€1.080
Min: 1 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
3535668RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€0.644
250+
€0.567
500+
€0.519
1000+
€0.476
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
300kHz
Buck (Step Down)
-40°C
85°C
2851606RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.170
5000+
€1.080
Min: 100 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
3535664

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.610
10+
€1.070
50+
€0.900
100+
€0.689
250+
€0.626
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
1MHz
Buck (Step Down)
-40°C
85°C
3535664RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€0.689
250+
€0.626
500+
€0.583
1000+
€0.453
2500+
€0.444
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
1MHz
Buck (Step Down)
-40°C
85°C
4064516RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.720
3300+
€1.580
Min: 100 / Mult: 1
Constant Frequency
8V
75V
1Outputs
85%
VQFN
32Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
4064516

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€2.270
25+
€1.900
100+
€1.720
3300+
€1.580
Min: 1 / Mult: 1
Constant Frequency
8V
75V
1Outputs
85%
VQFN
32Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
2678436

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.340
25+
€1.120
100+
€1.080
5000+
€1.070
Min: 1 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
800kHz
Synchronous Buck (Step Down)
-40°C
125°C
3491052RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.060
5000+
€0.975
Min: 100 / Mult: 1
Constant Frequency
4.5V
38V
1Outputs
85%
QFN-EP
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
3535665

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.920
10+
€1.230
50+
€1.040
100+
€0.835
250+
€0.733
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
500kHz
Buck (Step Down)
-40°C
85°C
3535665RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€0.835
250+
€0.733
500+
€0.672
1000+
€0.593
2500+
€0.514
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
500kHz
Buck (Step Down)
-40°C
85°C
2514063

RoHS

Date/Lot Code

Each
1+
€10.360
10+
€7.550
25+
€7.220
100+
€6.890
300+
€6.570
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
4.5V
30V
1Outputs
99%
QSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
3491052

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.290
25+
€1.080
100+
€1.060
5000+
€0.975
Min: 1 / Mult: 1
Constant Frequency
4.5V
38V
1Outputs
85%
QFN-EP
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
2678436RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€1.080
5000+
€1.070
Min: 100 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
800kHz
Synchronous Buck (Step Down)
-40°C
125°C
3535667

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€1.900
10+
€1.210
50+
€1.030
100+
€0.858
250+
€0.751
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
1MHz
Buck (Step Down)
-40°C
85°C
2514104

RoHS

Date/Lot Code

Each
100+
€6.920
Min: 100 / Mult: 100
Constant Frequency
4.5V
30V
1Outputs
99%
NSOIC
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
2514064

RoHS

Date/Lot Code

Each
1+
€11.950
10+
€8.760
25+
€8.410
100+
€8.050
300+
€7.660
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
4.5V
30V
1Outputs
99%
QSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
3535667RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
€0.858
250+
€0.751
500+
€0.700
1000+
€0.543
2500+
€0.532
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
1MHz
Buck (Step Down)
-40°C
85°C
4026397

RoHS

Date/Lot Code

Each
1+
€10.510
10+
€6.320
25+
€5.950
100+
€5.570
300+
€5.380
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
4.1V
60V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
125°C
4026398RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
€7.180
25+
€6.310
100+
€5.330
250+
€4.970
500+
€4.870
Min: 10 / Mult: 1
Constant Frequency
4.1V
60V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
125°C
4026400

RoHS

Date/Lot Code

Each
1+
€11.530
10+
€6.980
25+
€6.410
100+
€5.840
300+
€5.620
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
9.3V
100V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
125°C
4026394

RoHS

Date/Lot Code

Each
1+
€11.050
10+
€7.580
47+
€6.160
141+
€5.440
282+
€5.330
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
9.3V
100V
1Outputs
93%
SSOP
28Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
4026396

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
€10.520
10+
€7.200
25+
€6.320
100+
€5.340
250+
€4.980
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
9.3V
100V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
4026396RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
€7.200
25+
€6.320
100+
€5.340
250+
€4.980
500+
€4.880
Min: 10 / Mult: 1
Constant Frequency
9.3V
100V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
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