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

ISL6401CBZ SWITCHING CONTROLLER

4508

-

Bulk

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

14-SOIC (0.154", 3.90mm Width)

14-SOIC

ISL6740IBZ SWITCHING CONTROLLER

10850

-

Tube

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Full-Bridge, Half-Bridge, Push-Pull

2

1

9V ~ 16V

Up to 1MHz

83%

Yes

Yes

-

Enable, Frequency Control, Soft Start

-40°C ~ 105°C (TA)

Surface Mount

16-SOIC (0.154", 3.90mm Width)

16-SOIC

ISL6401CRZ-T SWITCHING CONTROLLER

19204

-

Bulk

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)

UC2847N 0.5A, 500KHZ BICMOS, PDIP16

2076

-

Bulk

Active

Transistor Driver

Step-Up, Step-Up/Step-Down

Positive

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

2

1

6.95V ~ 40V

500kHz

-

Yes

Yes

-

Current Limit, Enable, Frequency Control, Soft Start

-40°C ~ 85°C (TA)

Through Hole

16-DIP (0.300", 7.62mm)

16-PDIP

LTC7878AUH#TRPBF 80V PEAK CURRENT MODE BUCK-BOOST

50

-

Tape & Reel (TR),Cut Tape (CT)

Active

Transistor Driver

Step-Up/Step-Down

Positive

Buck-Boost

1

1

5V ~ 70V

50kHz ~ 800kHz

90% (Typ)

Yes

Yes

-

Current Limit, Dead Time Control, Frequency Control, Phase Control, Soft Start

-40°C ~ 125°C (TJ)

Surface Mount

32-WFQFN Exposed Pad

32-QFN (5x5)

UC2824DWTR SWITCHING CONTROLLER, VOLTAGE-MO

6842

-

Bulk

Active

Transistor Driver

Step-Up

Positive

Boost

1

1

8.4V ~ 30V

340kHz ~ 460kHz

80%

No

No

-

Current Limit, Enable, Frequency Control, Ramp, Soft Start

-40°C ~ 85°C (TA)

Surface Mount

16-SOIC (0.295", 7.50mm Width)

16-SOIC

ISL6569CBZ-T SWITCHING CONTROLLER

9234

-

Bulk

Obsolete

PWM Signal

Step-Down

Positive

Buck

2

2

4.75V ~ 5.25V

80kHz ~ 1MHz

75%

-

No

-

Current Limit, Enable, Frequency Control, Power Good

0°C ~ 70°C (TA)

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

ISL6569CBZ SWITCHING CONTROLLER

1452

-

Tube

Obsolete

PWM Signal

Step-Down

Positive

Buck

2

2

4.75V ~ 5.25V

80kHz ~ 1MHz

75%

-

No

-

Current Limit, Enable, Frequency Control, Power Good

0°C ~ 70°C (TA)

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

ISL6569ACRZ SWITCHING CONTROLLER

4884

-

Tube

Obsolete

PWM Signal

Step-Down

Positive

Buck

2

2

4.75V ~ 5.25V

80kHz ~ 1MHz

75%

-

No

-

Current Limit, Enable, Frequency Control, Power Good

0°C ~ 85°C (TA)

Surface Mount

32-VFQFN Exposed Pad

32-QFN (5x5)

UC3877DWP/81420 UC3877 SWITCHING CONTROLLER

1794

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ISL6551IR DUAL SWITCHING CONTROLLER

1795

-

Tube

Obsolete

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Full-Bridge

1

1

10.8V ~ 13.2V

50kHz ~ 500kHz

50%

Yes

No

-

Current Limit, Dead Time Control, Enable, Soft Start

0°C ~ 85°C (TA)

Surface Mount

28-VQFN Exposed Pad

28-QFN (6x6)

HA16150TELL-E PUSH-PULL PWM CONTROL

7174

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ISL6401CB SWITCHING CONTROLLER

1627

-

Bulk

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

14-SOIC (0.154", 3.90mm Width)

14-SOIC

MAX1980EGP-T QUICK-PWM DC-DC CONVERTER

1834

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

4.5V ~ 5.5V

200kHz, 300kHz, 550kHz

-

Yes

No

-

Current Limit, On Time Control, Pulse Skipping

-40°C ~ 100°C (TA)

Surface Mount

20-VFQFN Exposed Pad

20-QFN (4x4)

MAX1845ETX STEP-DOWN CONTROLLER

1604

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

2

1

2V ~ 5.5V, 4.5V ~ 28V

200kHz, 300kHz, 420kHz, 540kHz

-

Yes

No

-

Current Limit, Enable, On Time Control, Power Good

-40°C ~ 85°C (TA)

Surface Mount

36-WFQFN Exposed Pad

36-TQFN (6x6)

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