4.5V DC / DC Controllers:

197 Products Found

Newark 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
No. of Outputs
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IC Case / Package
No. of Pins
Switching Frequency
Topology
Operating Temperature Min
Operating Temperature Max
Product Range
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1 Filter(s) Selected
ComparePrice forQuantity
75Y6304

RoHS

Date/Lot Code

Each
1+
$7.120
10+
$5.430
25+
$5.010
50+
$4.770
100+
$4.540
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
5.5V
1Outputs
87.5%
QSOP
16Pins
1.1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
73Y2388

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.030
10+
$2.260
25+
$2.120
Min: 1 / Mult: 1
Current Mode Control
4.5V
60V
1Outputs
91.5%
TDFN
8Pins
500kHz
Synchronous Buck (Step Down)
-40°C
125°C
Himalaya Series
-
73Y2645

RoHS

Date/Lot Code

Each
1+
$4.340
10+
$3.270
25+
$3.100
50+
$2.940
150+
$2.760
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
-
73Y2387

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.030
10+
$2.560
25+
$2.460
50+
$2.410
100+
$2.350
Min: 1 / Mult: 1
Current Mode Control
4.5V
60V
1Outputs
91.5%
TDFN
8Pins
500kHz
Synchronous Buck (Step Down)
-40°C
125°C
Himalaya Series
-
82AH4583

RoHS

Each
1+
$6.470
10+
$6.470
25+
$5.970
50+
$5.970
100+
$5.970
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
60V
1Outputs
-
TQFN-EP
24Pins
2.2MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
71AH4937

RoHS

Date/Lot Code

Each
1+
$10.990
10+
$8.510
25+
$7.890
50+
$7.540
100+
$7.200
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
36V
1Outputs
-
SWTQFN-EP
24Pins
2.2MHz
Buck-Boost
-40°C
125°C
-
AEC-Q100
37AJ1371

RoHS

Date/Lot Code

Each
1+
$7.690
10+
$7.290
25+
$6.940
50+
$6.730
100+
$6.450
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
52V
1Outputs
95%
MSOP
10Pins
1MHz
Boost (Step Up)
-40°C
125°C
-
-
29AH6390

RoHS

Date/Lot Code

TEXAS INSTRUMENTS
Each (Supplied on Cut Tape)
Cut Tape
1+
$8.870
10+
$8.480
25+
$8.070
50+
$7.700
100+
$7.370
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
65V
1Outputs
100%
HTSSOP
20Pins
875kHz
Synchronous Boost (Step Up)
-40°C
125°C
-
AEC-Q100
55AC2778

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
1+
$2.460
10+
$2.270
25+
$2.060
50+
$1.980
100+
$1.880
Min: 1 / Mult: 1
Min: 100 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
73Y2651

RoHS

Date/Lot Code

Each
1+
$3.970
10+
$2.980
25+
$2.830
50+
$2.660
150+
$2.510
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
42V
1Outputs
-
TQFN
20Pins
2.2MHz
Synchronous Buck (Step Down)
-40°C
125°C
Himalaya Series
-
50AC6354

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
1+
$3.100
10+
$2.120
25+
$1.840
50+
$1.670
100+
$1.510
More Pricing...
Min: 1 / Mult: 1
Min: 100 / Mult: 1
Current Mode Control
4.5V
24V
2Outputs
100%
QFN
24Pins
800kHz
Synchronous Buck (Step Down)
-40°C
100°C
-
-
73Y6013

RoHS

Date/Lot Code

Each
1+
$28.440
10+
$22.730
25+
$21.580
50+
$20.420
100+
$19.710
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
30V
1Outputs
96%
NSOIC
16Pins
340kHz
Synchronous Buck (Step Down)
-40°C
85°C
-
-
97Y2038

RoHS

Date/Lot Code

Each
1+
$12.500
10+
$9.720
25+
$9.030
50+
$8.650
100+
$8.260
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
60V
1Outputs
69%
TQFN
16Pins
250kHz
Flyback
-40°C
125°C
MAX17690
-
28AH3354

RoHS

Date/Lot Code

TEXAS INSTRUMENTS
Each (Supplied on Cut Tape)
Cut Tape
1+
$3.050
10+
$2.910
25+
$2.770
50+
$2.650
100+
$2.530
More Pricing...
Min: 1 / Mult: 1
Hysteretic Control
4.5V
35V
1Outputs
100%
VSSOP
8Pins
1MHz
Buck (Step Down)
-40°C
125°C
-
-
73Y2623

RoHS

Date/Lot Code

Each
1+
$11.390
10+
$8.830
25+
$8.320
50+
$7.800
100+
$7.480
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
36V
1Outputs
100%
µMAX
10Pins
330kHz
Buck (Step Down)
-40°C
85°C
-
-
73Y2649

RoHS

Date/Lot Code

Each
1+
$7.080
10+
$5.400
25+
$5.130
50+
$4.870
150+
$4.600
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
42V
1Outputs
-
TQFN
20Pins
2.2MHz
Synchronous Buck (Step Down)
-40°C
125°C
Himalaya Series
-
28AH5854

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$4.650
10+
$3.490
25+
$3.200
50+
$3.050
100+
$2.880
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
38V
1Outputs
95%
WQFN
16Pins
1MHz
Synchronous Boost (Step Up)
-40°C
150°C
-
-
78AH1852

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
1+
$2.060
10+
$1.910
25+
$1.740
50+
$1.730
100+
$1.700
Min: 1 / Mult: 1
Min: 100 / Mult: 1
Constant Frequency
4.5V
38V
1Outputs
85%
QFN-EP
16Pins
600kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
73Y2650

RoHS

Date/Lot Code

Each
1+
$8.150
10+
$6.250
25+
$5.770
50+
$5.510
100+
$5.240
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
42V
1Outputs
-
TQFN
20Pins
2.2MHz
Synchronous Buck (Step Down)
-40°C
125°C
Himalaya Series
-
73Y2382

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
1+
$3.230
10+
$3.230
25+
$3.230
50+
$3.230
100+
$3.230
More Pricing...
Min: 1 / Mult: 1
Min: 100 / Mult: 1
Current Mode Control
4.5V
40V
1Outputs
87.5%
QSOP
16Pins
1MHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
73Y2605

RoHS

Date/Lot Code

Each
1+
$13.880
10+
$10.820
25+
$10.210
50+
$9.610
100+
$9.220
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
5.5V
1Outputs
100%
QSOP
20Pins
600kHz
Buck (Step Down)
-40°C
85°C
-
-
73Y2626

RoHS

Date/Lot Code

Each
1+
$12.060
10+
$9.370
25+
$8.830
50+
$8.290
100+
$7.950
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
36V
1Outputs
100%
µMAX
10Pins
330kHz
Buck (Step Down)
-40°C
125°C
-
-
06AC2415

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$2.160
10+
$1.980
25+
$1.800
50+
$1.770
100+
$1.740
Min: 1 / Mult: 1
Constant Frequency
4.5V
75V
1Outputs
85%
QFN
16Pins
800kHz
Synchronous Buck (Step Down)
-40°C
125°C
-
-
73Y2378

RoHS

Date/Lot Code

Each
1+
$38.490
5+
$34.850
10+
$31.200
25+
$29.740
50+
$28.260
More Pricing...
Min: 1 / Mult: 1
Current Mode Control
4.5V
26V
1Outputs
-
TQFN
40Pins
600kHz
Buck (Step Down)
-40°C
85°C
-
-
38AC1498

RoHS

Date/Lot Code

Each
1+
$12.240
10+
$9.510
25+
$8.660
50+
$7.820
100+
$7.450
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
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