4.5V DC / DC Controllers:

198 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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Buyer
Engineer
Manufacturer
Control Mode
Supply Voltage Min
Supply Voltage Max
No. of Outputs
Duty Cycle (%)
IC Case / Package
No. of Pins
Switching Frequency
Topology
Operating Temperature Min
Operating Temperature Max
Product Range
Qualification
Packaging
Filter(s) Applied
1 Filter(s) Selected
ComparePrice ForQuantity
4026558

RoHS

Each
1+
RM74.450
10+
RM52.290
61+
RM42.040
122+
RM40.530
305+
RM40.460
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
24V
2Outputs
-
QFN-EP
40Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
2851606

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM7.190
25+
RM6.230
100+
RM6.230
Min: 1 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
2909759

RoHS

Each
1+
RM13.540
10+
RM12.930
25+
RM12.620
100+
RM12.320
300+
RM12.010
Min: 1 / Mult: 1
Current Mode Control
4.5V
40V
1Outputs
87.5%
QSOP
16Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
2516632

RoHS

Each
1+
RM139.630
10+
RM122.180
50+
RM101.230
100+
RM98.020
Min: 1 / Mult: 1
Current Mode Control
4.5V
26V
1Outputs
-
TQFN
40Pins
600kHz
Buck (Step Down)
-40°C
85°C
-
-
2516667

RoHS

Each
1+
RM25.430
10+
RM17.230
75+
RM12.740
150+
RM12.170
300+
RM11.940
More Pricing...
Min: 1 / Mult: 1
Voltage Mode Control
4.5V
28V
2Outputs
87.5%
TQFN
24Pins
500kHz
Synchronous Buck (Step Down)
-40°C
85°C
-
-
2798896

RoHS

Each
1+
RM35.240
10+
RM27.400
50+
RM22.510
100+
RM22.510
250+
RM22.500
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
36V
1Outputs
100%
µMAX
10Pins
330kHz
Buck (Step Down)
-40°C
85°C
-
AEC-Q100
3008639

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM7.710
10+
RM7.590
Min: 1 / Mult: 1
-
4.5V
42V
1Outputs
100%
MSOP
8Pins
1MHz
Buck (Step Down)
-40°C
125°C
-
-
2851606RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
RM6.230
Min: 100 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
3008639RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
RM7.590
Min: 100 / Mult: 1
-
4.5V
42V
1Outputs
100%
MSOP
8Pins
1MHz
Buck (Step Down)
-40°C
125°C
-
-
3758604RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
25+
RM8.410
Min: 100 / Mult: 1
Current Mode Control
4.5V
36V
1Outputs
85%
VQFN-EP
32Pins
500kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
3758604

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM9.000
25+
RM8.410
Min: 1 / Mult: 1
Current Mode Control
4.5V
36V
1Outputs
85%
VQFN-EP
32Pins
500kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
2516624

RoHS

Each
1+
RM13.730
10+
RM13.720
75+
RM13.700
150+
RM13.690
300+
RM13.670
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
60V
1Outputs
-
TQFN
20Pins
2.2MHz
Synchronous Buck (Step Down)
-40°C
125°C
Himalaya Series
-
4033303

RoHS

Each
1+
RM42.100
10+
RM27.020
47+
RM26.140
141+
RM25.700
282+
RM25.260
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
60V
1Outputs
84%
WSOIC
16Pins
600kHz
Flyback
-40°C
125°C
-
-
4033922

RoHS

Each
1+
RM47.060
10+
RM34.830
52+
RM34.670
104+
RM34.600
260+
RM34.540
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
40V
3Outputs
100%
QFN-EP
38Pins
3MHz
Synchronous Boost, Synchronous Buck, Synchronous Buck
-40°C
125°C
-
AEC-Q100
4026563

RoHS

Each
1+
RM76.640
10+
RM60.220
61+
RM54.310
122+
RM47.720
305+
RM46.830
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
2Outputs
-
GQFN-EP
48Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
AEC-Q100
4026442

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM53.680
10+
RM36.890
25+
RM32.530
100+
RM27.590
250+
RM26.300
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
96%
QFN-EP
28Pins
760kHz
Synchronous Boost (Step Up)
-40°C
125°C
-
-
4026489RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
RM22.200
25+
RM19.390
100+
RM18.190
250+
RM17.590
500+
RM16.990
More Pricing...
Min: 10 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
-
QFN-EP
20Pins
2MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
4026416

RoHS

Each
1+
RM41.310
10+
RM28.200
74+
RM26.250
148+
RM25.280
296+
RM24.310
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
60V
1Outputs
96%
TSSOP-EP
20Pins
760kHz
Synchronous Boost (Step Up)
-40°C
125°C
-
-
4026436RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
RM25.620
25+
RM24.790
100+
RM24.380
250+
RM23.960
500+
RM23.560
More Pricing...
Min: 10 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
96%
MSOP-EP
16Pins
760kHz
Synchronous Boost (Step Up)
-40°C
125°C
-
-
4026442RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
RM36.890
25+
RM32.530
100+
RM27.590
250+
RM26.300
500+
RM26.250
More Pricing...
Min: 10 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
96%
QFN-EP
28Pins
760kHz
Synchronous Boost (Step Up)
-40°C
125°C
-
-
4033910

RoHS

Each
1+
RM34.230
10+
RM18.360
37+
RM17.920
111+
RM17.470
259+
RM15.740
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
40V
1Outputs
100%
MSOP-EP
16Pins
3MHz
Synchronous Buck (Step Down)
-40°C
150°C
-
-
4026488

RoHS

Each
1+
RM33.490
10+
RM23.120
91+
RM22.210
182+
RM21.290
273+
RM20.380
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
-
QFN-EP
20Pins
2MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
4026436

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
RM33.240
10+
RM25.620
25+
RM24.790
100+
RM24.380
250+
RM23.960
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
96%
MSOP-EP
16Pins
760kHz
Synchronous Boost (Step Up)
-40°C
125°C
-
-
4026444

RoHS

Each
1+
RM36.410
10+
RM33.140
73+
RM31.520
146+
RM29.900
292+
RM28.280
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
2Outputs
96%
QFN-EP
32Pins
760kHz
Synchronous Boost (Step Up)
-40°C
125°C
-
-
4176073

RoHS

Each
1+
RM72.200
10+
RM50.610
52+
RM41.330
104+
RM38.940
260+
RM38.870
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
3Outputs
100%
QFN-EP
38Pins
835kHz
Synchronous Boost, Synchronous Buck
-40°C
150°C
-
AEC-Q100
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