DC DC Switching Controllers：

Compare Mfr Part # Quantity Available Series Package 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 Mounting Type Package / Case Supplier Device Package

FAN7585SN SWITCHING CONTROLLER

79734

-

Tube

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Push-Pull

1

1

15V ~ 30V

9.4kHz

48%

No

No

-

Dead Time Control, Frequency Control, Power Good

-25°C ~ 85°C (TA)

Through Hole

24-SDIP (0.300", 7.62mm)

24-SDIP

ISL6401IR SWITCHING CONTROLLER

3799

-

Bulk

Active

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

4.5V ~ 5.5V

50kHz ~ 500kHz

48%

No

Yes

-

Enable, Frequency Control, Soft Start, Sync

-40°C ~ 85°C (TA)

Surface Mount

16-VQFN Exposed Pad

16-QFN (4x4)

ISL6401IR-T SWITCHING CONTROLLER

7234

-

Bulk

Active

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

4.5V ~ 5.5V

50kHz ~ 500kHz

48%

No

Yes

-

Enable, Frequency Control, Soft Start, Sync

-40°C ~ 85°C (TA)

Surface Mount

16-VQFN Exposed Pad

16-QFN (4x4)

ISL6401IRZ SWITCHING CONTROLLER

2424

-

Bulk

Active

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

4.5V ~ 5.5V

50kHz ~ 500kHz

48%

No

Yes

-

Enable, Frequency Control, Soft Start, Sync

-40°C ~ 85°C (TA)

Surface Mount

16-VQFN Exposed Pad

16-QFN (4x4)

UC2843ANNTR UC2843 SWITCHING CONTROLLER

22611

-

Bulk

Active

Transistor Driver

Step-Up, Step-Down, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Buck, Flyback, Forward

1

1

7.6V ~ 30V

Up to 500kHz

96%

No

No

-

Frequency Control

-40°C ~ 85°C (TA)

Through Hole

8-DIP (0.300", 7.62mm)

8-PDIP

ISL6729IU-T SWITCHING REGULATOR

3734

-

Bulk

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Flyback, Forward Converter

1

1

4.75V ~ 5.25V

Up to 1MHz

99%

Yes

No

-

-

-40°C ~ 105°C (TA)

Surface Mount

8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

8-MSOP

ISL6729IU SWITCHING REGULATOR

5308

-

Tube

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Flyback, Forward Converter

1

1

4.75V ~ 5.25V

Up to 1MHz

99%

Yes

No

-

-

-40°C ~ 105°C (TA)

Surface Mount

8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

8-MSOP

UC3844D SWITCHING CONTROLLER

25428

-

Tube

Obsolete

Transistor Driver

Step-Up, Step-Down, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Buck, Buck-Boost, Flyback, Forward

1

1

10V ~ 30V

Up to 500kHz

48%

No

No

-

Frequency Control

0°C ~ 70°C (TA)

Surface Mount

14-SOIC (0.209", 5.30mm Width)

14-SOP

ISL6439AIR-T SWITCHING CONTROLLER

7234

-

Bulk

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

16-VQFN Exposed Pad

16-QFN (5x5)

UC2843AQ 1A, 500KHZ BIPOLAR, PQCC20

3776

-

Bulk

Active

Transistor Driver

Step-Up, Step-Down, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Buck, Flyback, Forward

1

1

7.6V ~ 30V

Up to 500kHz

96%

No

No

-

Frequency Control

-40°C ~ 125°C (TJ)

Surface Mount

20-LCC (J-Lead)

20-PLCC (9x9)

FAN6520BMX SWITCHING REGLTR, VOLTAGE-MODE

28202

-

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 (0.154", 3.90mm Width)

8-SOIC

ADP1147AN-5 STEP-DOWN SWITCHING REG

4700

-

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-DIP (0.300", 7.62mm)

8-PDIP

ADP1147AN-3.3 STEP-DOWN SWITCHING REG

17079

-

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-DIP (0.300", 7.62mm)

8-PDIP

MIC38C43XBM BICMOS CURRENT-MODE PWM CONTROLL

111938

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ISL6431CB-T SWITCHING CONTROLLER

3734

-

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 (0.154", 3.90mm Width)

8-SOIC

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