QFN DC / DC Switching Regulators:

6,532 Products Found

element14 offers an exclusive range of DC-DC switching regulators with improved integration and advanced packaging options. DC-DC switching regulators are essential power management components. 

Unlike linear regulators, switching regulators can step voltage up or down while minimizing power loss as heat. Common topologies include buck (step-down), boost (step-up), and buck-boost converters, each optimized for specific voltage conversion requirements. Modern switching regulators integrate features like synchronous rectification, adaptive frequency control, and protection circuits for overcurrent thermal and undervoltage conditions.

Key applications include smartphones, computers, industrial equipment, and automotive systems, where power efficiency and thermal management are critical. When selecting a switching regulator, engineers consider factors such as input voltage range, output current capability, number of outputs, switching frequency, EMI performance, and solution size.

DC-DC switching regulators offer high efficiency, typically 85-95%, making them ideal for battery-powered devices and energy-sensitive applications. Switching regulators, as their name suggests, control the turning on and off of a switch (transistor) to transfer energy from its input to its output.

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Manufacturer
Resolution (Bits)
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DC / DC Converter Type
Output Type
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No. of Outputs
Supply Voltage
Supply Voltage Min
No. of Step-Down DC - DC Converters
Topology
Supply Voltage Max
Input Voltage Min
No. of Monitored Voltages
PWM Input Frequency
Supply Voltage Range
Duty Cycle (%)
Input Voltage Max
No. of Regulated Outputs
Digital IC Case
Interface Case Style
ADC / DAC Case Style
Controller IC Case Style
Max Output Current
Output Current - Output 1
Output Current
Reset Output Type
Output Current - Output 2
IC Case / Package
Output Voltage - Output 1
Switching Frequency Max
No. of Pins
Output Voltage - Output 2
IC Mounting
Output Voltage Nom
Delay Time
Output Voltage Min
Output Voltage Max
Switching Frequency Typ
Efficiency
Operating Temperature Min
Operating Temperature Max
Product Range
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2420832

RoHS

Each
1+
S$0.682
(S$0.7434)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
2.7V
-
-
-
-
5.5V
-
-
-
-
-
3A
-
3A
-
-
VQFN
-
-
16Pins
-
Surface Mount
-
-
-
800mV
3.85V
1MHz
-
-40°C
85°C
-
-
2765042

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$4.120
(S$4.4908)
10+
S$4.070
(S$4.4363)
25+
S$4.010
(S$4.3709)
100+
S$3.960
(S$4.3164)
250+
S$3.900
(S$4.251)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
4.5V
-
-
-
-
60V
-
-
-
-
-
1A
-
1A
-
-
TDFN
-
-
10Pins
-
Surface Mount
-
-
-
900mV
55.2V
600kHz
90%
-40°C
125°C
Himalaya Series
-
3357957

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$1.470
(S$1.6023)
10+
S$1.420
(S$1.5478)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
2Outputs
-
2 Output
-
-
Synchronous Buck (Step Down)
-
2.7V
-
-
-
-
6V
-
-
-
-
-
1A
1A
-
-
1A
TSOT-23
5.5V
-
8Pins
5.5V
Surface Mount
-
-
-
608mV
6V
1MHz
93%
-40°C
125°C
-
-
2765042RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
S$3.960
(S$4.3164)
250+
S$3.900
(S$4.251)
500+
S$3.850
(S$4.1965)
1000+
S$3.790
(S$4.1311)
Min: 100 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
4.5V
-
-
-
-
60V
-
-
-
-
-
1A
-
1A
-
-
TDFN
-
-
10Pins
-
Surface Mount
-
-
-
900mV
55.2V
600kHz
90%
-40°C
125°C
Himalaya Series
-
3357957RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
S$1.420
(S$1.5478)
Min: 100 / Mult: 1
-
-
-
-
-
Adjustable
-
2Outputs
-
2 Output
-
-
Synchronous Buck (Step Down)
-
2.7V
-
-
-
-
6V
-
-
-
-
-
1A
1A
-
-
1A
TSOT-23
5.5V
-
8Pins
5.5V
Surface Mount
-
-
-
608mV
6V
1MHz
93%
-40°C
125°C
-
-
4029201

RoHS

Each
1+
S$6.990
(S$7.6191)
10+
S$6.200
(S$6.758)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
3Outputs
-
3 Output
-
-
Synchronous Buck (Step Down)
-
2.25V
-
-
-
-
5.5V
-
-
-
-
-
800mA
800mA
-
-
800mA
QFN-EP
-
-
16Pins
-
Surface Mount
-
-
-
600mV
-
2.25MHz
95%
-40°C
125°C
-
-
1460664

RoHS

Each
1+
S$3.420
(S$3.7278)
10+
S$2.590
(S$2.8231)
50+
S$2.180
(S$2.3762)
100+
S$2.000
(S$2.180)
250+
S$1.870
(S$2.0383)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Buck (Step Down)
-
7V
-
-
-
-
40V
-
-
-
-
-
3A
-
3A
-
-
TO-263 (D2PAK)
-
-
5Pins
-
Surface Mount
-
-
-
1.23V
37V
52kHz
77%
-40°C
125°C
LM2576
-
2373587

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$2.610
(S$2.8449)
10+
S$1.740
(S$1.8966)
50+
S$1.510
(S$1.6459)
100+
S$1.280
(S$1.3952)
250+
S$1.170
(S$1.2753)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Buck (Step Down)
-
6V
-
-
-
-
42V
-
-
-
-
-
500mA
-
500mA
-
-
SSOP
-
-
6Pins
-
Surface Mount
-
-
-
1V
29.4V
1.5MHz
-
-40°C
105°C
-
-
2534162

RoHS

Each
1+
S$3.270
(S$3.5643)
10+
S$2.470
(S$2.6923)
50+
S$2.130
(S$2.3217)
100+
S$2.000
(S$2.180)
250+
S$1.840
(S$2.0056)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Buck (Step Down)
-
4.5V
-
-
-
-
40V
-
-
-
-
-
3A
-
3A
-
-
TO-263 (D2PAK)
-
-
5Pins
-
Surface Mount
-
-
-
1.23V
37V
150kHz
73%
-40°C
125°C
-
-
2534166

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$4.650
(S$5.0685)
10+
S$2.710
(S$2.9539)
100+
S$1.920
(S$2.0928)
500+
S$1.830
(S$1.9947)
800+
S$1.740
(S$1.8966)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Fixed
-
1Outputs
-
-
-
-
Buck (Step Down)
-
7V
-
-
-
-
40V
-
-
-
-
-
3A
-
3A
-
-
TO-263 (D2PAK)
-
-
5Pins
-
Surface Mount
5V
5V
-
-
-
52kHz
77%
-40°C
125°C
-
-
2433097

RoHS

Each
1+
S$1.190
(S$1.2971)
10+
S$0.754
(S$0.8219)
100+
S$0.618
(S$0.6736)
500+
S$0.592
(S$0.6453)
1000+
S$0.570
(S$0.6213)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Buck (Step Down)
-
4.5V
-
-
-
-
36V
-
-
-
-
-
600mA
-
600mA
-
-
SOT-23
-
-
6Pins
-
Surface Mount
-
-
-
800mV
15V
1.2MHz
95%
-40°C
85°C
-
-
2947830

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$2.100
(S$2.289)
10+
S$1.390
(S$1.5151)
50+
S$1.320
(S$1.4388)
100+
S$1.250
(S$1.3625)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Buck (Step Down)
-
8V
-
-
-
-
50V
-
-
-
-
-
3A
-
3A
-
-
HSOIC
-
-
8Pins
-
Surface Mount
-
-
-
800mV
24V
-
-
-20°C
85°C
-
-
3518311

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$1.200
(S$1.308)
10+
S$0.765
(S$0.8338)
100+
S$0.674
(S$0.7347)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
3.8V
-
-
-
-
32V
-
-
-
-
-
3A
-
3A
-
-
TSOT-26
-
-
6Pins
-
Surface Mount
-
-
-
800mV
31V
500kHz
88%
-40°C
85°C
-
-
3357931

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$3.340
(S$3.6406)
10+
S$2.270
(S$2.4743)
50+
S$2.150
(S$2.3435)
100+
S$2.030
(S$2.2127)
250+
S$1.990
(S$2.1691)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
4.5V
-
-
-
-
16V
-
-
-
-
-
3A
-
3A
-
-
TSOT-23
-
-
8Pins
-
Surface Mount
-
-
-
800mV
15.2V
500kHz
-
-40°C
125°C
-
-
2901088

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$4.300
(S$4.687)
10+
S$2.450
(S$2.6705)
50+
S$2.230
(S$2.4307)
100+
S$1.710
(S$1.8639)
250+
S$1.510
(S$1.6459)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Buck-Boost
-
2.5V
-
-
-
-
5V
-
-
-
-
-
2A
-
2A
-
-
WLCSP
-
-
25Pins
-
Surface Mount
-
-
-
2.1V
5.2V
2MHz
96%
-40°C
85°C
-
-
3587064

RoHS

Each (Supplied on Cut Tape)
Cut Tape
5+
S$5.010
(S$5.4609)
50+
S$4.670
(S$5.0903)
100+
S$4.320
(S$4.7088)
500+
S$4.080
(S$4.4472)
1500+
S$4.000
(S$4.360)
Min: 5 / Mult: 5
-
-
Non Isolated POL
-
-
Adjustable
-
1Outputs
-
1 Output
-
-
Synchronous Buck (Step Down)
-
4.5V
-
-
-
-
20V
-
-
-
-
-
15A
-
15A
-
-
PowerPAK MLP34-57
-
-
34Pins
-
Surface Mount
-
-
-
600mV
12V
1.5MHz
96%
-40°C
85°C
-
-
3357955

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$3.350
(S$3.6515)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
2.8V
-
-
-
-
5.5V
-
-
-
-
-
4A
-
4A
-
-
QFN
-
-
12Pins
-
Surface Mount
-
-
-
600mV
5.5V
1.2MHz
-
-40°C
125°C
-
-
2783746

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$0.790
(S$0.8611)
10+
S$0.548
(S$0.5973)
Min: 1 / Mult: 1
-
-
-
-
-
Fixed
-
1Outputs
-
-
-
-
Synchronous Buck-Boost
-
600mV
-
-
-
-
4.5V
-
-
-
-
-
500mA
-
500mA
-
-
VSON
-
-
10Pins
-
Surface Mount
3.3V
3.3V
-
-
-
800kHz
94%
-40°C
85°C
-
-
9664440

RoHS

Each
1+
S$1.010
(S$1.1009)
10+
S$0.636
(S$0.6932)
100+
S$0.592
(S$0.6453)
500+
S$0.549
(S$0.5984)
1000+
S$0.505
(S$0.5504)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Buck, Boost, Inverting
-
3V
-
-
-
-
40V
-
-
-
-
-
1.5A
-
1.5A
-
-
SOIC
-
-
8Pins
-
Surface Mount
-
-
-
1.25V
40V
33kHz
87.7%
-40°C
85°C
-
-
2433102

RoHS

Each
1+
S$1.650
(S$1.7985)
10+
S$1.430
(S$1.5587)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
4.5V
-
-
-
-
18V
-
-
-
-
-
5.5A
-
5.5A
-
-
SOP
-
-
8Pins
-
Surface Mount
-
-
-
765mV
8V
650kHz
95%
-40°C
85°C
-
-
2630206

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$1.080
(S$1.1772)
10+
S$0.836
(S$0.9112)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
2.7V
-
-
-
-
5.5V
-
-
-
-
-
4A
-
4A
-
-
WDFN
-
-
8Pins
-
Surface Mount
-
-
-
800mV
5V
1MHz
-
-40°C
85°C
-
-
2630207

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$2.160
(S$2.3544)
10+
S$1.440
(S$1.5696)
50+
S$1.360
(S$1.4824)
100+
S$1.270
(S$1.3843)
250+
S$1.200
(S$1.308)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
2.7V
-
-
-
-
5.5V
-
-
-
-
-
4A
-
4A
-
-
SOP
-
-
8Pins
-
Surface Mount
-
-
-
800mV
5V
1MHz
-
-40°C
85°C
-
-
2857601

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$1.840
(S$2.0056)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
4.4V
-
-
-
-
30V
-
-
-
-
-
1A
-
1A
-
-
MSOP
-
-
8Pins
-
Surface Mount
-
-
-
2V
24V
500kHz
95%
-40°C
125°C
-
-
3121865

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$2.160
(S$2.3544)
10+
S$1.980
(S$2.1582)
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Boost (Step Up)
-
300mV
-
-
-
-
5.5V
-
-
-
-
-
1.2A
-
1.2A
-
-
SON
-
-
10Pins
-
Surface Mount
-
-
-
1.8V
5.5V
1.65MHz
90%
-40°C
85°C
-
-
3104253

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
S$5.010
(S$5.4609)
10+
S$4.840
(S$5.2756)
25+
S$4.660
(S$5.0794)
50+
S$3.710
(S$4.0439)
100+
S$3.450
(S$3.7605)
More Pricing...
Min: 1 / Mult: 1
-
-
-
-
-
Adjustable
-
1Outputs
-
-
-
-
Synchronous Buck (Step Down)
-
3V
-
-
-
-
36V
-
-
-
-
-
3A
-
3A
-
-
SOP
-
-
8Pins
-
Surface Mount
-
-
-
800mV
36V
2.1MHz
-
-40°C
125°C
-
AEC-Q100
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