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

ISL6420IA SWITCHING CONTROLLER

1789

-

Tube

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

5.6V ~ 16V

100kHz ~ 1.4MHz

96%

Yes

No

-

Enable, Frequency Control, Phase Control, Power Good, Soft Start

-40°C ~ 85°C (TA)

Surface Mount

20-SSOP (0.154", 3.90mm Width)

20-QSOP

ISL6439IR-T SWITCHING CONTROLLER

50

-

Bulk

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

2.97V ~ 3.63V

300kHz

100%

Yes

No

-

Enable, Phase Control

-40°C ~ 85°C (TA)

Surface Mount

16-VQFN Exposed Pad

16-QFN (5x5)

ISL6721AV SWITCHING CONTROLLER

50

-

Tube

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

ISL6520IR SWITCHING CONTROLLER

50

-

Tube

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

16-VQFN Exposed Pad

16-QFN (4x4)

UC3573NG4 SWITCHING CONTROLLER

50

-

Tube

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

4.75V ~ 30V

100kHz

92%

No

No

-

Current Limit, Ramp

0°C ~ 70°C (TA)

Through Hole

8-DIP (0.300", 7.62mm)

8-PDIP

MAX797HESE STEP-DOWN CONTROLLER

50

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Boost, Buck, Flyback

1

1

4.5V ~ 30V

150kHz, 300kHz

96%

Yes

Yes

-

Enable, Pulse Skipping, Soft Start

-40°C ~ 85°C (TA)

Surface Mount

16-SOIC (0.154", 3.90mm Width)

16-SOIC

IA280A Quattor

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

IA240QA Quattor

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

HA16114FP-E SWITCHING CONTROLLER

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

IA280 Quattor

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

HA16120FPJ-E SWITCHING CONTROLLER

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

HA16108FP-E SWITCHING CONTROLLER

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

HA16120FPJ SWITCHING CONTROLLER

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

HA16114FP-EL-E IC REG LINEAR SWITCHING REG

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

HA17524P IC REG LIN SWITCHING REG/CNTRLR

50

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

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