Constant Frequency DC / DC Controllers:

35 Products Found

element14 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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Manufacturer
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Supply Voltage Min
Supply Voltage Max
No. of Outputs
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IC Case / Package
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+
HK$14.800
10+
HK$8.060
50+
HK$7.260
100+
HK$6.460
250+
HK$5.690
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
300kHz
Buck (Step Down)
-40°C
85°C
3535668RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$6.460
250+
HK$5.690
500+
HK$5.490
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
300kHz
Buck (Step Down)
-40°C
85°C
3535664

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
HK$9.850
10+
HK$8.150
50+
HK$7.280
100+
HK$6.420
250+
HK$6.060
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

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$6.420
250+
HK$6.060
500+
HK$5.690
1000+
HK$4.490
2500+
HK$4.300
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
1MHz
Buck (Step Down)
-40°C
85°C
3535665

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
HK$9.850
10+
HK$8.440
50+
HK$7.440
100+
HK$6.440
250+
HK$6.070
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
500kHz
Buck (Step Down)
-40°C
85°C
2514064

RoHS

Each
1+
HK$51.490
Min: 1 / Mult: 1
Constant Frequency
4.5V
30V
1Outputs
99%
QSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
3535667

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
HK$16.360
10+
HK$8.880
50+
HK$8.130
100+
HK$7.380
250+
HK$6.460
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
1MHz
Buck (Step Down)
-40°C
85°C
3535667RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$7.380
250+
HK$6.460
500+
HK$6.020
1000+
HK$5.530
2500+
HK$5.040
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
1MHz
Buck (Step Down)
-40°C
85°C
3491052

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
HK$10.610
Min: 1 / Mult: 1
Constant Frequency
4.5V
38V
1Outputs
85%
QFN-EP
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
3491052RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
1+
HK$10.610
Min: 100 / Mult: 1
Constant Frequency
4.5V
38V
1Outputs
85%
QFN-EP
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
3535665RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$6.440
250+
HK$6.070
500+
HK$5.690
1000+
HK$5.190
Min: 100 / Mult: 1
Constant Frequency
2.8V
16V
1Outputs
100%
SOT-25
5Pins
500kHz
Buck (Step Down)
-40°C
85°C
2851606

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
HK$12.650
25+
HK$10.950
100+
HK$10.500
Min: 1 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
2851606RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$10.500
Min: 100 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
4064516RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$16.360
3300+
HK$16.040
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+
HK$21.540
25+
HK$18.950
100+
HK$16.360
3300+
HK$16.040
Min: 1 / Mult: 1
Constant Frequency
8V
75V
1Outputs
85%
VQFN
32Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
2514063

RoHS

Each
1+
HK$89.050
10+
HK$69.660
25+
HK$64.810
100+
HK$59.480
300+
HK$56.510
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
4.5V
30V
1Outputs
99%
QSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
2678436

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
HK$12.750
25+
HK$10.610
100+
HK$10.280
5000+
HK$10.080
Min: 1 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
800kHz
Synchronous Buck (Step Down)
-40°C
125°C
2678436RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
HK$10.280
5000+
HK$10.080
Min: 100 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
800kHz
Synchronous Buck (Step Down)
-40°C
125°C
4026397

RoHS

Each
1+
HK$90.070
10+
HK$61.520
25+
HK$54.070
100+
HK$45.660
300+
HK$42.590
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

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
HK$61.520
25+
HK$54.070
100+
HK$45.660
250+
HK$42.590
500+
HK$41.740
More Pricing...
Min: 10 / Mult: 1
Constant Frequency
4.1V
60V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
125°C
4026400

RoHS

Each
1+
HK$98.690
10+
HK$67.810
25+
HK$59.750
100+
HK$50.650
300+
HK$48.140
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

Each
1+
HK$95.570
10+
HK$65.500
47+
HK$53.240
141+
HK$47.060
282+
HK$46.080
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

Each (Supplied on Cut Tape)
Cut Tape
1+
HK$90.070
10+
HK$61.520
25+
HK$54.070
100+
HK$45.660
250+
HK$42.590
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

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
HK$61.520
25+
HK$54.070
100+
HK$45.660
250+
HK$42.590
500+
HK$41.740
More Pricing...
Min: 10 / Mult: 1
Constant Frequency
9.3V
100V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
85°C
4026399

RoHS

Each
1+
HK$103.860
10+
HK$71.600
25+
HK$63.180
100+
HK$53.660
300+
HK$51.520
More Pricing...
Min: 1 / Mult: 1
Constant Frequency
9.3V
100V
1Outputs
93%
NSSOP
16Pins
300kHz
Synchronous Buck (Step Down)
-40°C
150°C
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