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

SG1577DY DUAL SWITCHING CONTROLLER

2300

-

Tube

Obsolete

-

-

-

-

2

-

8V ~ 15V

-

95%

-

-

-

-

-40°C ~ 85°C (TA)

Through Hole

20-DIP (0.300", 7.62mm)

20-DIP

UCC3803D/81468 UCC3803 SWITCHING CONTROLLER

2031

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ISL6840IU SWITCHING CONTROLLER

50

-

Tube

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

7.5V ~ 14V

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

UCC3895Q IC OFFLINE SW FULL-BRDG 20PLCC

50

-

Tube

Obsolete

PWM

-

Positive

Phase-Shifted Full-Bridge

1

1

10V ~ 16.5V

1MHz

100%

-

Yes

-

Frequency Control, Soft Start, Sync

0°C ~ 70°C (TA)

Surface Mount

20-LCC (J-Lead)

20-PLCC (9x9)

UC2874N-1G4 SWITCHING CONTROLLER

50

-

Tube

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

9V ~ 36V

Up to 300kHz

100%

Yes

No

-

Soft Start

-25°C ~ 85°C (TA)

Through Hole

18-DIP (0.300", 7.62mm)

18-PDIP

ISL8843AUZ SWITCHING CONTROLLER

50

-

Tube

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

9V ~ 30V

Up to 2MHz

96%

No

No

-

Current Limit, Frequency Control

-40°C ~ 105°C (TA)

Surface Mount

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

8-MSOP

ISL6721AV-T SWITCHING CONTROLLER

50

-

Bulk

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

9V ~ 18V

Up to 1MHz

75%

No

Yes

-

Current Limit, Frequency Control, Power Good, Soft Start

-40°C ~ 105°C (TA)

Surface Mount

16-TSSOP (0.173", 4.40mm Width)

16-TSSOP

ISL6744ABZ-TR5252 SWITCHING CONTROLLER

50

-

Bulk

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Full-Bridge, Half-Bridge

1

1

9V ~ 16V

Up to 1MHz

99%

Yes

No

-

Frequency Control, Soft Start

-40°C ~ 105°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL6840IU-T SWITCHING CONTROLLER

50

-

Bulk

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

7.5V ~ 14V

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

ISL6840IB SWITCHING CONTROLLER

50

-

Tube

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

7.5V ~ 14V

Up to 2MHz

96%

Yes

No

-

Current Limit, Frequency Control

-40°C ~ 105°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL8843AUZ-T SWITCHING CONTROLLER

50

-

Bulk

Obsolete

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive, Isolation Capable

Boost, Flyback

1

1

9V ~ 30V

Up to 2MHz

96%

No

No

-

Current Limit, Frequency Control

-40°C ~ 105°C (TA)

Surface Mount

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

8-MSOP

ISL6520AIBZ-T SWITCHING CONTROLLER

50

-

Bulk

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

4.5V ~ 5.5V

300kHz

100%

Yes

No

-

Phase Control

-40°C ~ 85°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

FAN5037MX SWITCHING REGULATOR/CONTROLLER

50

-

Bulk

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

4.75V ~ 5.25V

-

85%

No

No

-

-

0°C ~ 70°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL6401CR SWITCHING CONTROLLER

50

-

Tube

Obsolete

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

-40°C ~ 85°C (TA)

Surface Mount

16-VQFN Exposed Pad

16-QFN (4x4)

ISL6744AB SWITCHING CONTROLLER

50

-

Tube

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Full-Bridge, Half-Bridge

1

1

9V ~ 16V

Up to 1MHz

99%

Yes

No

-

Frequency Control, Soft Start

-40°C ~ 105°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

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