3.3V DC DC Converters

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Price
Series
Package
Product Status
Type
Number of Outputs
Voltage - Input (Min)
Voltage - Input (Max)
Voltage - Output 1
Voltage - Output 2
Voltage - Output 3
Voltage - Output 4
Current - Output (Max)
Power (Watts)
Voltage - Isolation
Applications
Features
Operating Temperature
Efficiency
Grade
Qualification
Mounting Type
Package / Case
Size / Dimension
Supplier Device Package
Control Features
Approval Agency
Standard Number
3,773
In Stock
5,000
Factory
1 : £1.40000
Cut Tape (CT)
5,000 : £0.69595
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
2.5V
6V
3.3V
-
-
-
600mA
-
-
ITE (Commercial)
OCP, OTP, UVLO
-40°C ~ 125°C
-
-
-
Surface Mount
12-PowerVFQFN Module
0.12" L x 0.10" W x 0.04" H (3.0mm x 2.5mm x 0.9mm)
12-QFN (3x2.5)
Enable, Active High
-
-
4,790
In Stock
5,000
Factory
1 : £1.55000
Cut Tape (CT)
5,000 : £0.77490
Tape & Reel (TR)
-
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
2.5V
6V
3.3V
-
-
-
1.2A
-
-
ITE (Commercial)
OCP, OTP, UVLO
-40°C ~ 125°C
-
-
-
Surface Mount
12-PowerVFQFN Module
0.12" L x 0.10" W x 0.04" H (3.0mm x 2.5mm x 0.9mm)
12-QFN (3x2.5)
-
-
-
7,334
In Stock
1 : £1.77000
Cut Tape (CT)
3,000 : £0.91453
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
2V
6V
3.3V
-
-
-
600mA
-
-
ITE (Commercial)
-
-40°C ~ 85°C
90%
-
-
Surface Mount
-
0.10" L x 0.08" W x 0.04" H (2.5mm x 2.0mm x 1.0mm)
CL-2025-02
-
-
-
7 QFN
TPSM861253RDXR
BUCK CONVERTERS (INTERGRATED IND
Texas Instruments
1,989
In Stock
1 : £1.78000
Cut Tape (CT)
3,000 : £0.91652
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
3.8V
17V
3.3V
-
-
-
1A
3.3 W
-
ITE (Commercial)
-
-40°C ~ 125°C
-
-
-
Surface Mount
7-PowerFQFN Module
0.16" L x 0.13" W x 0.08" H (4.0mm x 3.3mm x 2.0mm)
7-QFN-FCMOD (4x3.3)
-
-
-
1S7BE_0303S3U
1S7BE_0303S3U
ISOLATED MODULE DC DC CONVERTERS
GAPTEC Electronic
11,113
In Stock
1 : £1.80000
Tube
Tube
Active
Isolated Module
1
2.97V
3.63V
3.3V
-
-
-
303mA
1 W
3 kV
ITE (Commercial)
-
-40°C ~ 85°C
76%
-
-
Through Hole
7-SIP Module, 4 Leads
0.77" L x 0.24" W x 0.39" H (19.5mm x 6.0mm x 10.0mm)
-
-
CE, cURus
60950-1
TPSM828211SILR (primary)
TPSM828214SILR
5.5-V INPUT, 1-A STEP-DOWN MODUL
Texas Instruments
2,483
In Stock
1 : £1.94000
Cut Tape (CT)
3,000 : £1.00604
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
2.4V
5.5V
3.3V
-
-
-
1A
-
-
ITE (Commercial)
Remote On/Off
-40°C ~ 125°C
95%
-
-
Surface Mount
10-TFDFN Module
0.10" L x 0.08" W x 0.04" H (2.5mm x 2.0mm x 1.1mm)
10-uSIP (2.5x2)
-
-
-
TPSM33625RDNR
TLVM365R15RDNR
3-V TO 65-V INPUT, 1-V TO 6-V OU
Texas Instruments
922
In Stock
1 : £2.01000
Cut Tape (CT)
3,000 : £1.05074
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
3V
65V
3.3V
-
-
-
100mA
-
-
ITE (Commercial)
Adjustable Output, Remote On/Off
-40°C ~ 125°C
-
-
-
Surface Mount, Wettable Flank
11-PowerFQFN Module
0.18" L x 0.14" W x 0.08" H (4.5mm x 3.5mm x 2.1mm)
11-QFN-FCMOD (4.5x3.5)
-
-
-
R-78K3.3-0.5
R-78K3.3-0.5
0.5A DC/DC-CONVERTER 'INNOLINE'
Recom Power
9,774
In Stock
989
Factory
1 : £2.07000
Tube
Tube
Active
Non-Isolated PoL Module
1
4.5V
36V
3.3V
-
-
-
500mA
-
-
ITE (Commercial)
-
-40°C ~ 90°C (With Derating)
89%
-
-
Through Hole
3-SIP Module
0.45" L x 0.30" W x 0.40" H (11.5mm x 7.6mm x 10.2mm)
-
-
-
62368-1
LMO78_12-0.5
LMO78_03-0.5
NON-ISOLATED POL MODULE DC DC CO
GAPTEC Electronic
1,291
In Stock
1 : £2.12000
Tube
Tube
Active
Non-Isolated PoL Module
1
4.75V
36V
3.3V
-
-
-
500mA
1.65 W
-
ITE (Commercial)
-
-40°C ~ 85°C (With Derating)
81%
-
-
Through Hole
3-SIP Module
0.39" L x 0.28" W x 0.43" H (10.0mm x 7.2mm x 11.0mm)
-
-
CE, cURus
-
6,697
In Stock
1 : £2.26000
Cut Tape (CT)
180 : £2.04822
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Isolated Module
1
2.97V
3.63V
3.3V
-
-
-
303mA
1 W
3 kV
ITE (Commercial), Medical
SCP
-40°C ~ 85°C
66%
-
-
Surface Mount
14-SMD Module, 5 Leads
0.50" L x 0.41" W x 0.18" H (12.7mm x 10.4mm x 4.5mm)
-
-
-
-
2,400
In Stock
1 : £2.26000
Cut Tape (CT)
800 : £1.78846
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Isolated Module
1
2.97V
3.63V
3.3V
-
-
-
303mA
1 W
3 kV
ITE (Commercial), Medical
SCP
-40°C ~ 85°C
66%
-
-
Surface Mount
14-SMD Module, 5 Leads
0.50" L x 0.41" W x 0.18" H (12.7mm x 10.4mm x 4.5mm)
-
-
cURus
-
CME0305S3C
CME0303S3C
DC DC CONVERTER 3.3V 750MW
Murata Power Solutions Inc.
509
In Stock
1 : £2.41000
Tube
Tube
Active
Isolated Module
1
2.97V
3.63V
3.3V
-
-
-
227mA
750 mW
3 kV
ITE (Commercial)
-
-40°C ~ 85°C
73%
-
-
Through Hole
4-SIP Module
0.45" L x 0.24" W x 0.29" H (11.5mm x 6.0mm x 7.5mm)
-
-
-
-
R-78Exx-x.x
R-78E3.3-0.5
DC DC CONVERTER 3.3V 2W
Recom Power
12,841
In Stock
966
Factory
1 : £2.45000
Tube
Tube
Active
Linear Regulator Replacement
1
6V
28V
3.3V
-
-
-
500mA
2 W
-
ITE (Commercial)
SCP
-40°C ~ 85°C
88%
-
-
Through Hole
3-SIP Module
0.46" L x 0.33" W x 0.41" H (11.6mm x 8.5mm x 10.4mm)
-
-
-
-
TSR 1-2433E
TSR 1-2433E
DC DC CONVERTER 3.3V
Traco Power
1,927
In Stock
1 : £2.52000
Tube
Tube
Active
Non-Isolated PoL Module
1
6V
36V
3.3V
-
-
-
1A
-
-
ITE (Commercial)
-
-40°C ~ 85°C (With Derating)
88%
-
-
Through Hole
3-SIP Module
0.46" L x 0.30" W x 0.40" H (11.6mm x 7.5mm x 10.2mm)
-
-
-
-
R-78K12-1.0
R-78K3.3-1.0
1A DC/DC-CONVERTER 'INNOLINE' SI
Recom Power
1,324
In Stock
989
Factory
1 : £2.58000
Tube
Tube
Active
Non-Isolated PoL Module
1
4.5V
36V
3.3V
-
-
-
1A
-
-
ITE (Commercial)
-
-40°C ~ 90°C (With Derating)
88%
-
-
Through Hole
3-SIP Module
0.45" L x 0.30" W x 0.40" H (11.5mm x 7.6mm x 10.2mm)
-
-
CB
62368-1
593
In Stock
1 : £2.63000
Cut Tape (CT)
180 : £2.38217
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Isolated Module
1
2.97V
3.63V
3.3V
-
-
-
333mA
1 W
4.2 kV
ITE (Commercial), Medical
SCP
-40°C ~ 85°C
69.5%
-
-
Surface Mount
14-SMD Module, 5 Leads
0.54" L x 0.41" W x 0.17" H (13.7mm x 10.5mm x 4.4mm)
-
-
-
-
CWR11HK226MB\TR
TR05S3V3
DC DC CONVERTER 3.3V 2W
XP Power
4,445
In Stock
1 : £2.88000
Tube
Tube
Active
Linear Regulator Replacement
1
4.5V
28V
3.3V
-
-
-
500mA
2 W
-
ITE (Commercial)
SCP
-40°C ~ 85°C
89%
-
-
Through Hole
3-SIP Module
0.46" L x 0.30" W x 0.40" H (11.7mm x 7.5mm x 10.2mm)
-
-
-
-
R-78Exx-x.x
R-78E3.3-1.0
DC DC CONVERTER 3.3V 3W
Recom Power
5,296
In Stock
966
Factory
1 : £2.95000
Tube
Tube
Active
Linear Regulator Replacement
1
7V
28V
3.3V
-
-
-
1A
3 W
-
ITE (Commercial)
SCP
-40°C ~ 85°C
91%
-
-
Through Hole
3-SIP Module
0.46" L x 0.33" W x 0.41" H (11.6mm x 8.5mm x 10.4mm)
-
-
-
-
R1SX Series
R1SX-3.33.3-R
DC DC CONVERTER 3.3V 1W
Recom Power
2,434
In Stock
900
Factory
1 : £3.18000
Cut Tape (CT)
450 : £2.75251
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Isolated Module
1
2.97V
3.63V
3.3V
-
-
-
303mA
-
1 kV
ITE (Commercial)
-
-40°C ~ 100°C
74%
-
-
Surface Mount
8-SMD Module, 5 Leads
0.50" L x 0.43" W x 0.23" H (12.8mm x 10.8mm x 5.8mm)
-
-
CB, cURus
-
TPSM33625RDNR
TPSM365R6V3RDNR
3-V TO 65-V INPUT, 1-V TO 13-V O
Texas Instruments
1,909
In Stock
1 : £3.18000
Cut Tape (CT)
3,000 : £1.73266
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
3V
65V
3.3V
-
-
-
600mA
-
-
ITE (Commercial)
Remote On/Off
-40°C ~ 125°C
82.7%
-
-
Surface Mount, Wettable Flank
11-PowerFQFN Module
0.18" L x 0.14" W x 0.08" H (4.5mm x 3.5mm x 2.1mm)
11-QFN-FCMOD (4.5x3.5)
Enable, Active High
-
-
ROF-78E
ROF-78E3.3-0.5SMD-R
DC DC CONVERTER 3.3V
Recom Power
4,042
In Stock
1,000
Factory
1 : £3.26000
Cut Tape (CT)
500 : £2.81276
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
5V
36V
3.3V
-
-
-
500mA
-
-
ITE (Commercial)
SCP
-40°C ~ 75°C
84%
-
-
Surface Mount
4-SMD Module
0.53" L x 0.49" W x 0.18" H (13.5mm x 12.5mm x 4.5mm)
-
Enable, Active High
-
-
FS1606-1000-AL
FS1604-3300-AL
TDK MPOL POWER MODULE, 3.3V
TDK Corporation
3,000
In Stock
1 : £3.68000
Cut Tape (CT)
3,000 : £1.34506
Tape & Reel (TR)
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Active
Non-Isolated PoL Module
1
4.2V
16V
3.3V
-
-
-
4A
13 W
-
ITE (Commercial)
Adjustable Output, Heat Sink
-40°C ~ 125°C (With Derating)
-
-
-
Surface Mount
17-SMD Module
0.13" L x 0.13" W x 0.05" H (3.3mm x 3.3mm x 1.4mm)
-
-
-
-
5,229
In Stock
1 : £3.69000
Tray
Tray
Active
Linear Regulator Replacement
1
7V
36V
3.3V
-
-
-
1.5A
5 W
-
ITE (Commercial)
SCP
-40°C ~ 85°C
85.5%
-
-
Through Hole
3-SIP Module
0.65" L x 0.41" W x 0.30" H (16.5mm x 10.4mm x 7.6mm)
-
-
-
-
1,453
In Stock
1 : £3.69000
Tray
Tray
Active
Linear Regulator Replacement
1
7V
36V
3.3V
-
-
-
1.5A
5 W
-
ITE (Commercial)
SCP
-40°C ~ 85°C
85.5%
-
-
Through Hole
3-SIP Module
0.41" L x 0.30" W x 0.65" H (10.4mm x 7.6mm x 16.5mm)
-
-
-
-
550
In Stock
1 : £3.77000
Tube
Tube
Active
Isolated Module
1
2.97V
3.63V
3.3V
-
-
-
303mA
1 W
1 kV
ITE (Commercial)
-
-40°C ~ 85°C
76%
-
-
Through Hole
4-DIP Module
0.33" L x 0.24" W x 0.31" H (8.3mm x 6.1mm x 8.0mm)
-
-
-
-
Showing
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DC DC Converters

Board mount DC DC converters are compact switching modules (switching regulators) soldered or mounted directly onto a printed circuit board that convert one DC voltage to another (higher, lower, or inverted) while often providing regulation, filtering, and if needed isolation. These modules are used in distributed power architectures to efficiently step-down (buck) or step-up (boost) voltages close to the load for improved efficiency.

Types of Converters

  • Isolated Modules - provide galvanic isolation between input and output, essential for safety boundaries, noise immunity, and breaking ground loops.
  • Non-Isolated - cost and efficiency optimized modules where isolation isn’t needed.
  • Linear Regulator Replacement - Drop in switching regulators designed to replace traditional linear regulators.