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

ISL6439AIB SWITCHING CONTROLLER

3667

-

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 (0.154", 3.90mm Width)

14-SOIC

PCA9410UK012 500 MA, DC-TO-DC BOOST CONVERTER

10398

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

UC2843DTR/80869 UC2843 SWITCHING CONTROLLER

6234

-

Bulk

Active

Transistor Driver

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

Positive, Isolation Capable

Boost, Buck, Buck-Boost, Flyback, Forward

1

1

12V ~ 28V

Up to 500kHz

97%

No

No

-

Frequency Control

-40°C ~ 85°C (TA)

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

FAN6520BIMX SWITCHING REGLTR, VOLTAGE-MODE

15259

-

Bulk

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

4.5V ~ 5.5V

300kHz

100%

Yes

No

-

Enable

-40°C ~ 85°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ADP1147AR-3.3 STEP-DOWN SWITCHING REG

2758

-

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)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ADP1147AR-5-REEL7 STEP-DOWN SWITCHING REG

4234

-

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)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ADP1147AR-5 STEP-DOWN SWITCHING REG

4274

-

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)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL6526ACB SWITCHING CONTROLLER

3138

-

Tube

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

2.97V ~ 3.63V

300kHz

100%

Yes

No

-

Enable, Phase Control

0°C ~ 70°C (TA)

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

UC3843N SWITCHING CONTROLLER

3291

-

Tube

Obsolete

Transistor Driver

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

Positive, Isolation Capable

Boost, Buck, Buck-Boost, Flyback, Forward

1

1

7.6V ~ 30V

Up to 500kHz

97%

No

No

-

Frequency Control

0°C ~ 70°C (TA)

Through Hole

8-DIP (0.300", 7.62mm)

8-DIP

LV5768M-TLM-H-SY STEP-DOWN SWITCHING REGULATOR

103234

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

FAN1577AMX DUAL SWITCHING CONTROLLER

5586

-

Bulk

Obsolete

Transistor Driver

Step-Down

Positive

Buck

2

2

8V ~ 15V

340kHz

90%

Yes

No

-

Enable, Frequency Control, Soft Start

-40°C ~ 85°C (TA)

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SOIC

ISL6845IU-T SWITCHING CONTROLLER

3734

-

Bulk

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

9V ~ 16V

Up to 2MHz

48%

Yes

No

-

Current Limit, Frequency Control

-40°C ~ 105°C (TA)

Surface Mount

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

8-MSOP

ISL6843IU SWITCHING CONTROLLER

1679

-

Tube

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

9V ~ 16V

Up to 2MHz

96%

Yes

No

-

Current Limit, Frequency Control

-40°C ~ 105°C (TA)

Surface Mount

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

8-MSOP

ISL6431CB SWITCHING CONTROLLER

2450

-

Tube

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

ISL6845IU SWITCHING CONTROLLER

2162

-

Tube

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

9V ~ 16V

Up to 2MHz

48%

Yes

No

-

Current Limit, Frequency Control

-40°C ~ 105°C (TA)

Surface Mount

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

8-MSOP

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