QFN DC / DC Controllers:

925 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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Control Mode
Supply Voltage Min
Supply Voltage
Supply Voltage Max
No. of Outputs
Duty Cycle (%)
No. of Regulated Outputs
IC Case / Package
No. of Pins
Switching Frequency
Topology
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Operating Temperature Max
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ComparePrice ForQuantity
3008661

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$185.770
10+
NT$143.110
25+
NT$132.520
50+
NT$126.590
100+
NT$120.660
More Pricing...
Total:NT$185.77
Min: 1 / Mult: 1
Current Mode Control
6V
-
100V
1Outputs
98%
-
HTSSOP
20Pins
1MHz
Synchronous Buck (Step Down)
-40°C
150°C
-
-
2983667

RoHS

Each
1+
NT$144.870
10+
NT$110.870
25+
NT$108.250
50+
NT$91.900
100+
NT$90.070
More Pricing...
Total:NT$144.87
Min: 1 / Mult: 1
Current Mode Control
3.3V
-
25V
1Outputs
-
-
QFN
20Pins
1MHz
Synchronous Buck (Step Down)
-40°C
100°C
-
-
3008661RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
100+
NT$120.660
250+
NT$115.210
500+
NT$115.020
Total:NT$12,066.00
Min: 100 / Mult: 1
Current Mode Control
6V
-
100V
1Outputs
98%
-
HTSSOP
20Pins
1MHz
Synchronous Buck (Step Down)
-40°C
150°C
-
-
4026084

RoHS

Each
1+
NT$155.570
10+
NT$139.560
Total:NT$155.57
Min: 1 / Mult: 1
Current Mode Control
5.5V
-
100V
1Outputs
-
-
DFN-EP
10Pins
1MHz
Boost, Flyback, Inverting, SEPIC
-40°C
125°C
-
-
4026481

RoHS

Each
1+
NT$135.340
10+
NT$115.210
Total:NT$135.34
Min: 1 / Mult: 1
Current Mode Control
4V
-
60V
1Outputs
100%
-
MSOP-EP
10Pins
400kHz
Buck (Step Down)
-40°C
125°C
-
-
4026355

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$496.560
10+
NT$346.270
25+
NT$307.100
100+
NT$291.820
250+
NT$284.190
More Pricing...
Total:NT$496.56
Min: 1 / Mult: 1
Current Mode Control
3.5V
-
36V
1Outputs
95%
-
NSOIC
8Pins
200kHz
Boost, Buck, Inverting, SEPIC
-40°C
85°C
-
-
4026558

RoHS

Each
1+
NT$650.620
10+
NT$461.130
61+
NT$373.540
122+
NT$360.640
305+
NT$353.440
More Pricing...
Total:NT$650.62
Min: 1 / Mult: 1
Current Mode Control
4.5V
-
24V
2Outputs
-
-
QFN-EP
40Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
4026355RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
NT$346.270
25+
NT$307.100
100+
NT$291.820
250+
NT$284.190
500+
NT$276.560
More Pricing...
Total:NT$3,462.70
Min: 10 / Mult: 1
Current Mode Control
3.5V
-
36V
1Outputs
95%
-
NSOIC
8Pins
200kHz
Boost, Buck, Inverting, SEPIC
-40°C
85°C
-
-
4026584

RoHS

Each
1+
NT$597.580
Total:NT$597.58
Min: 1 / Mult: 1
Current Mode Control
4V
-
60V
1Outputs
99%
-
TSSOP-EP
20Pins
835kHz
Synchronous Buck (Step Down)
-55°C
150°C
-
-
4026413

RoHS

Each
1+
NT$243.540
10+
NT$228.440
Total:NT$243.54
Min: 1 / Mult: 1
Current Mode Control
2.75V
-
9.8V
2Outputs
100%
-
QFN-EP
24Pins
750kHz
Synchronous Buck (Step Down)
-40°C
85°C
-
-
3703517

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$132.640
10+
NT$116.060
50+
NT$96.160
100+
NT$86.220
250+
NT$79.590
More Pricing...
Total:NT$132.64
Min: 1 / Mult: 1
Current Mode Control
5V
-
60V
1Outputs
100%
-
SOIC
14Pins
360kHz
Buck (Step Down)
-40°C
150°C
-
AEC-Q100
3703517RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
500+
NT$74.280
1000+
NT$70.300
2500+
NT$67.650
Total:NT$37,140.00
Min: 500 / Mult: 1
Current Mode Control
5V
-
60V
1Outputs
100%
-
SOIC
14Pins
360kHz
Buck (Step Down)
-40°C
150°C
-
AEC-Q100
3008673

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$179.120
10+
NT$176.500
25+
NT$173.870
50+
NT$171.240
100+
NT$168.620
More Pricing...
Total:NT$179.12
Min: 1 / Mult: 1
-
4.5V
-
60V
1Outputs
95%
-
VQFN
20Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
2851606

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$59.610
25+
NT$50.130
100+
NT$45.880
5000+
NT$44.970
Total:NT$59.61
Min: 1 / Mult: 1
Constant Frequency
4.5V
-
75V
1Outputs
85%
-
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
3535665

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$37.670
10+
NT$32.380
50+
NT$28.610
100+
NT$24.840
250+
NT$23.440
More Pricing...
Total:NT$37.67
Min: 1 / Mult: 1
Constant Frequency
2.8V
-
16V
1Outputs
100%
-
SOT-25
5Pins
500kHz
Buck (Step Down)
-40°C
85°C
-
-
2909759

RoHS

Each
1+
NT$105.420
10+
NT$104.720
Total:NT$105.42
Min: 1 / Mult: 1
Current Mode Control
4.5V
-
40V
1Outputs
87.5%
-
QSOP
16Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
2516656

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$244.750
10+
NT$189.730
25+
NT$175.970
100+
NT$160.830
250+
NT$153.610
More Pricing...
Total:NT$244.75
Min: 1 / Mult: 1
Current Mode Control
3V
-
5.5V
1Outputs
89%
-
µMAX
10Pins
1MHz
Buck, Synchronous Buck
-40°C
85°C
-
-
3535668

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
NT$62.970
10+
NT$34.710
50+
NT$31.340
100+
NT$27.960
250+
NT$24.700
More Pricing...
Total:NT$62.97
Min: 1 / Mult: 1
Constant Frequency
2.8V
-
16V
1Outputs
100%
-
SOT-25
5Pins
300kHz
Buck (Step Down)
-40°C
85°C
-
-
2516641

RoHS

Each
1+
NT$168.830
10+
NT$128.770
50+
NT$112.770
100+
NT$107.820
250+
NT$102.580
More Pricing...
Total:NT$168.83
Min: 1 / Mult: 1
Voltage Mode Control
2.7V
-
28V
1Outputs
86%
-
µMAX
10Pins
360kHz
Buck (Step Down)
-40°C
85°C
-
-
2516674

RoHS

Each
1+
NT$650.870
10+
NT$523.010
50+
NT$471.770
100+
NT$455.900
250+
NT$439.150
More Pricing...
Total:NT$650.87
Min: 1 / Mult: 1
Current Mode Control
5V
-
30V
1Outputs
96%
-
NSOIC
16Pins
340kHz
Synchronous Buck (Step Down)
-40°C
85°C
-
-
2516667

RoHS

Each
1+
NT$206.650
10+
NT$140.990
75+
NT$105.110
150+
NT$100.470
300+
NT$98.700
More Pricing...
Total:NT$206.65
Min: 1 / Mult: 1
Voltage Mode Control
4.5V
-
28V
2Outputs
87.5%
-
TQFN
24Pins
500kHz
Synchronous Buck (Step Down)
-40°C
85°C
-
-
2516656RL

RoHS

Each (Supplied on Cut Tape)
Cut Tape
10+
NT$189.730
25+
NT$175.970
100+
NT$160.830
250+
NT$153.610
500+
NT$149.270
More Pricing...
Total:NT$1,897.30
Min: 10 / Mult: 1
Current Mode Control
3V
-
5.5V
1Outputs
89%
-
µMAX
10Pins
1MHz
Buck, Synchronous Buck
-40°C
85°C
-
-
2516632

RoHS

Each
1+
NT$885.830
10+
NT$722.760
50+
NT$682.400
Total:NT$885.83
Min: 1 / Mult: 1
Current Mode Control
4.5V
-
26V
1Outputs
-
-
TQFN
40Pins
600kHz
Buck (Step Down)
-40°C
85°C
-
-
2798896

RoHS

Each
1+
NT$287.200
10+
NT$224.600
50+
NT$212.710
100+
NT$206.780
250+
NT$200.840
More Pricing...
Total:NT$287.20
Min: 1 / Mult: 1
Current Mode Control
4.5V
-
36V
1Outputs
100%
-
µMAX
10Pins
330kHz
Buck (Step Down)
-40°C
85°C
-
AEC-Q100
2851606RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
NT$45.880
5000+
NT$44.970
Total:NT$4,588.00
Min: 100 / Mult: 1
Constant Frequency
4.5V
-
75V
1Outputs
85%
-
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
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