1319

-

Tube

Active

Transistor Driver

Step-Down

Positive

Buck

2

2

4.75V ~ 28V

100kHz ~ 1MHz

-

Yes

No

-

Enable, Frequency Control

-40°C ~ 85°C (TA)

Surface Mount

28-TSSOP (0.173", 4.40mm Width) Exposed Pad

28-TSSOP-EP

1266

-

Tube

Active

Transistor Driver

Step-Down

Positive

Buck

2

1

4.2V ~ 30V

200kHz ~ 300kHz

99%

Yes

Yes

-

Enable, Reset, Sequencing

-40°C ~ 85°C (TA)

Surface Mount

28-SSOP (0.209", 5.30mm Width)

28-SSOP

1279

-

Tube

Not For New Designs

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Flyback

1

1

10.8V ~ 24V

25kHz ~ 1.25MHz

50%

Yes

Yes

-

Dead Time Control, Enable, Frequency Control

-40°C ~ 125°C (TJ)

Surface Mount

16-TSSOP (0.173", 4.40mm Width) Exposed Pad

16-TSSOP-EP

1327

-

Tube

Active

Transistor Driver

Step-Up, Step-Down

Positive

Buck, Boost

2

1

4.5V ~ 60V

105kHz ~ 835kHz, 350kHz ~ 535kHz

96%, 99%

Yes

No

-

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

-55°C ~ 150°C (TJ)

Surface Mount

32-WFQFN Exposed Pad

32-QFN (5x5)

2234

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

2.8V ~ 5.5V

100kHz ~ 1MHz

-

Yes

No

-

Enable

-40°C ~ 125°C (TJ)

Surface Mount

6-WDFN Exposed Pad

6-WSON (3x3)

3474

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

3V ~ 6V

50kHz ~ 1MHz

86%

Yes

Yes

-

Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking

-40°C ~ 125°C (TJ)

Surface Mount

14-TSSOP (0.173", 4.40mm Width)

14-TSSOP

6555

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

2.7V ~ 10V

-

100%

No

No

-

Enable

-40°C ~ 125°C (TJ)

Surface Mount

SC-74A, SOT-753

SOT-23-5

2026

-

Bulk

Active

Transistor Driver

Step-Up, Step-Down

Positive or Negative

Buck, Boost

1

1

8V ~ 40V

-

49%

No

No

-

Current Limit, Enable, Frequency Control

0°C ~ 125°C (TJ)

Surface Mount

16-SOIC (0.154", 3.90mm Width)

16-SOIC

1734

-

Bulk

Active

Transistor Driver

Step-Up/Step-Down

Positive, Isolation Capable

Forward Converter

2

1

8V ~ 15V

200kHz ~ 580kHz

80%

No

Yes

-

Dead Time Control, Frequency Control, Ramp, Soft Start

-40°C ~ 125°C (TJ)

Surface Mount

16-WFDFN Exposed Pad

16-WSON (5x5)

2234

*

Bulk

Active

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

3734

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

10.8V ~ 13.2V

50kHz ~ 1MHz

100%

Yes

No

-

Enable, Frequency Control, Phase Control, Soft Start

0°C ~ 70°C (TA)

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

2234

-

Bulk

Active

Transistor Driver

Step-Up/Step-Down

Positive

-

1

1

15V ~ 90V

200kHz, 600kHz

-

Yes

Yes

-

Dead Time Control, Frequency Control, Soft Start

-40°C ~ 125°C (TJ)

Surface Mount

16-WFDFN Exposed Pad

16-WSON (5x5)

3734

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

5.9V ~ 15V

-

97%

Yes

No

-

Current Limit, Enable

-

-

8-SOIC (0.154", 3.90mm Width)

8-SOIC

2689

-

Bulk

Active

Transistor Driver

Step-Down

Positive

Buck

1

1

5.9V ~ 15V

-

97%

Yes

No

-

Current Limit, Enable

-20°C ~ 70°C (TA)

Surface Mount

8-SOIC (0.154", 3.90mm Width)

8-SOIC

4380

-

Bulk

Obsolete

Transistor Driver

Step-Down

Positive

Buck

1

1

10.8V ~ 13.2V

200kHz

100%

-

No

-

Frequency Control, Phase Control, Power Good, Soft Start

0°C ~ 70°C (TA)

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SOIC