DC DC Switching Controllers

Manufacturer Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package

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DC DC Switching Controllers

DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.

TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing support.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
NCP1583DR2G

NCP1583DR2G

IC REG CTRLR BUCK 8SOIC

onsemi

0 -
RFQ
NCP1583DR2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 300kHz 75% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
CS3843AGDR8

CS3843AGDR8

SWITCHING CONTROLLER

onsemi

30,000 -
RFQ
CS3843AGDR8

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
FAN6520BMX

FAN6520BMX

SWITCHING REGLTR, VOLTAGE-MODE

Fairchild Semiconductor

26,968 -
RFQ
FAN6520BMX

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ADP1147AN-3.3

ADP1147AN-3.3

STEP-DOWN SWITCHING REG

Analog Devices Inc.

15,845 -
RFQ
ADP1147AN-3.3

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 16V Up to 250kHz - No No - Current Limit, Enable, Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
TL1453CDR

TL1453CDR

SWITCHING CONTROLLER

Texas Instruments

15,000 -
RFQ
TL1453CDR

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active PWM - Positive Boost 2 1 3.6V ~ 40V 1kHz ~ 500kHz - No No - Dead Time Control, Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SOIC
LM3475MF

LM3475MF

1A, 2000KHZ PDSO5

National Semiconductor

5,400 -
RFQ
LM3475MF

Datasheet

- SC-74A, SOT-753 Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 10V - 100% No No - Enable -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
ADP3198001CPZR

ADP3198001CPZR

SYNC BUCK CNTRLR INTEL VR

onsemi

5,000 -
RFQ
ADP3198001CPZR

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
SR4475S

SR4475S

REC SURGE SUP SPECIAL

onsemi

4,000 -
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
ADP1147AN-5

ADP1147AN-5

STEP-DOWN SWITCHING REG

Analog Devices Inc.

3,466 -
RFQ
ADP1147AN-5

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 16V Up to 250kHz - No No - Current Limit, Enable, Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
NCP1582DR2G

NCP1582DR2G

IC REG CTRLR BUCK 8SOIC

onsemi

0 -
RFQ
NCP1582DR2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 350kHz 75% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TL1451CDB

TL1451CDB

IC REG CTRLR MULT TOP 16SSOP

Texas Instruments

1,040 -
RFQ
TL1451CDB

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback 2 1 3.6V ~ 50V 1kHz ~ 500kHz - No No - Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SSOP
NCP1581DR2G

NCP1581DR2G

IC REG CTRLR BUCK 14SOIC

onsemi

0 -
RFQ
NCP1581DR2G

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 6.3V ~ 20V 400kHz 85% Yes No - Enable, Soft Start 0°C ~ 125°C (TJ) - - Surface Mount 14-SOIC
MIC38C43ABM

MIC38C43ABM

CURRENT-MODE PWM CONTROLLER

Microchip Technology

31,521 -
RFQ
MIC38C43ABM

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TL1454CD

TL1454CD

IC REG CTRLR 16SOIC

Texas Instruments

15,694 -
RFQ

-

* 16-SOIC (0.154", 3.90mm Width) Tube Obsolete - - - - - - - - - - - - - - - - Surface Mount 16-SOIC
TL2843BQDRQ1

TL2843BQDRQ1

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

0 -
RFQ
TL2843BQDRQ1

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 14-SOIC
TL1451ACNSN

TL1451ACNSN

DUAL SWITCHING CONTROLLER

Texas Instruments

6,000 -
RFQ
TL1451ACNSN

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6431CB-T

ISL6431CB-T

SWITCHING CONTROLLER

Intersil

2,500 -
RFQ
ISL6431CB-T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
TL1454CDR

TL1454CDR

DUAL SWITCHING CONTROLLER

Texas Instruments

2,500 -
RFQ
TL1454CDR

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6439AIB

ISL6439AIB

SWITCHING CONTROLLER

Intersil

1,433 -
RFQ
ISL6439AIB

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
CS51021AED16

CS51021AED16

SWITCHING CONTROLLER

onsemi

1,350 -
RFQ
CS51021AED16

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
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