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

ISL6527AIB SWITCHING CONTROLLER

2352

-

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

ISL6527AIR SWITCHING CONTROLLER

2108

-

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

16-VQFN Exposed Pad

16-QFN (5x5)

ISL6527AIB-T SWITCHING CONTROLLER

3734

-

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

14-SOIC (0.154", 3.90mm Width)

14-SOIC

ISL6729IB-T SWITCHING REGULATOR

6134

-

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-SOIC (0.154", 3.90mm Width)

8-SOIC

LV5747NTT-TLM-E STEP-DOWN SWITCHING REGULATOR

3234

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

8V ~ 42V

300kHz

92%

Yes

No

-

Current Limit, Enable, Soft Start

-40°C ~ 85°C (TA)

Surface Mount

12-TFSOP (0.118", 3.00mm Width)

12-MSOP

UC3525AQ SWITCHING CONTROLLER, VOLTAGE-MO

2155

-

Bulk

Active

Transistor Driver

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

Positive

Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull

2

1

8V ~ 35V

100Hz ~ 400kHz

49%

Yes

Yes

-

Enable, Frequency Control, Soft Start

0°C ~ 70°C (TA)

Surface Mount

20-LCC (J-Lead)

20-PLCC (9x9)

MAX8545EUB-TG069 STEP-DOWN CONTROLLER

3599

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ISL6520ACB SWITCHING CONTROLLER

6397

-

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

ISL6520ACB-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

ISL6545ACBZ-TS2698 SWITCHING CONTROLLER

2129

-

Bulk

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

4.5V ~ 14.4V

600kHz

100%

Yes

No

-

Current Limit, Enable

0°C ~ 70°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

UCC2961N IC REG CTRLR FWRD CONV 14DIP

3134

-

Tube

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Forward Converter

1

1

8V ~ 19V

400kHz

72%

Yes

No

-

Enable, Frequency Control, Soft Start

-40°C ~ 85°C (TA)

Through Hole

14-DIP (0.300", 7.62mm)

14-PDIP

ISL6545CBZS2698 SWITCHING CONTROLLER

3144

-

Tube

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

4.5V ~ 14.4V

300kHz

100%

Yes

No

-

Current Limit, Enable

0°C ~ 70°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

ISL6223CAZAR5194 SWITCHING CONTROLLER

2104

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ISL6520ACBZA-TS2490 SWITCHING CONTROLLER

8734

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

MAX8743EEI DUAL STEP-DOWN CONTROLLER

2113

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

2

1

2V ~ 28V

200kHz, 300kHz, 420kHz, 540kHz

-

Yes

No

-

Current Limit, Enable, On Time Control, Power Good, Pulse Skipping

-40°C ~ 85°C

Surface Mount

28-SSOP (0.154", 3.90mm Width)

28-QSOP

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