4.5V DC / DC Controllers:

183 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
2851606

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$2.760
($3.174)
25+
$2.390
($2.7485)
100+
$2.340
($2.691)
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+
$5.190
($5.9685)
10+
$4.950
($5.6925)
25+
$4.820
($5.543)
100+
$4.740
($5.451)
Min: 1 / Mult: 1
Current Mode Control
4.5V
40V
1Outputs
87.5%
QSOP
16Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
2516667

RoHS

Each
1+
$10.230
($11.7645)
10+
$6.930
($7.9695)
75+
$5.130
($5.8995)
150+
$4.890
($5.6235)
300+
$4.660
($5.359)
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
-
-
2516632

RoHS

Each
1+
$50.670
($58.2705)
10+
$44.350
($51.0025)
50+
$40.340
($46.391)
100+
$38.710
($44.5165)
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+
$14.440
($16.606)
10+
$11.240
($12.926)
50+
$9.230
($10.6145)
100+
$8.800
($10.120)
250+
$8.730
($10.0395)
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+
$4.020
($4.623)
10+
$3.630
($4.1745)
50+
$3.550
($4.0825)
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+
$2.340
($2.691)
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
50+
$3.550
($4.0825)
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
100+
$2.920
($3.358)
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+
$3.830
($4.4045)
25+
$3.230
($3.7145)
100+
$2.920
($3.358)
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+
$5.810
($6.6815)
10+
$5.790
($6.6585)
75+
$5.760
($6.624)
150+
$5.730
($6.5895)
300+
$5.700
($6.555)
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
-
4026442

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$22.720
($26.128)
10+
$15.620
($17.963)
25+
$13.770
($15.8355)
100+
$11.690
($13.4435)
250+
$11.140
($12.811)
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
-
-
4026563

RoHS

Each
1+
$29.380
($33.787)
10+
$23.610
($27.1515)
61+
$21.300
($24.495)
122+
$18.710
($21.5165)
305+
$18.240
($20.976)
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
4026416

RoHS

Each
1+
$17.750
($20.4125)
10+
$12.120
($13.938)
74+
$9.300
($10.695)
148+
$9.210
($10.5915)
296+
$9.150
($10.5225)
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+
$10.320
($11.868)
25+
$9.990
($11.4885)
100+
$9.840
($11.316)
250+
$9.680
($11.132)
500+
$9.520
($10.948)
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
-
-
4033303

RoHS

Each
1+
$17.800
($20.470)
10+
$11.420
($13.133)
47+
$10.070
($11.5805)
141+
$9.910
($11.3965)
282+
$9.750
($11.2125)
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+
$18.110
($20.8265)
10+
$13.440
($15.456)
52+
$13.290
($15.2835)
104+
$13.210
($15.1915)
260+
$13.140
($15.111)
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
4026489RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
$11.140
($12.811)
25+
$9.720
($11.178)
100+
$8.130
($9.3495)
250+
$7.350
($8.4525)
500+
$7.200
($8.280)
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
-
-
4026442RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
$15.620
($17.963)
25+
$13.770
($15.8355)
100+
$11.690
($13.4435)
250+
$11.140
($12.811)
500+
$10.920
($12.558)
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
-
-
4026436

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$13.370
($15.3755)
10+
$10.320
($11.868)
25+
$9.990
($11.4885)
100+
$9.840
($11.316)
250+
$9.680
($11.132)
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+
$14.920
($17.158)
10+
$9.670
($11.1205)
73+
$9.660
($11.109)
146+
$9.640
($11.086)
292+
$9.630
($11.0745)
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+
$30.570
($35.1555)
10+
$21.430
($24.6445)
52+
$17.510
($20.1365)
104+
$16.480
($18.952)
260+
$16.170
($18.5955)
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
4033869RL

RoHS

Each (Supplied on Cut Tape)
Cut Tape
100+
$5.530
($6.3595)
250+
$4.950
($5.6925)
500+
$4.580
($5.267)
1000+
$4.550
($5.2325)
Min: 100 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
98%
DFN-EP
12Pins
400kHz
Synchronous Buck (Step Down)
-40°C
85°C
-
-
4026489

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$16.530
($19.0095)
10+
$11.140
($12.811)
25+
$9.720
($11.178)
100+
$8.130
($9.3495)
250+
$7.350
($8.4525)
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
-
-
4176075

RoHS

Each
1+
$29.240
($33.626)
10+
$20.440
($23.506)
52+
$16.670
($19.1705)
104+
$15.560
($17.894)
260+
$15.250
($17.5375)
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
3Outputs
100%
QFN-EP
38Pins
835kHz
Synchronous Boost, Synchronous Buck
-40°C
125°C
-
AEC-Q100
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