DC DC Switching Controllers

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	MPN	Manufacturer	Availability	Pricing	Quantity	Description	Package	Packaging	Date Code	Operating Voltage	Output Voltage	Frequency - Switching	Function	Topology	Features	Quiescent Current	Number of Channels	Output Current	Operating Temperature	Synchronous Rectifier

MPN

Manufacturer

Availability

Pricing

Quantity

Description

Package

Packaging

Date Code

Operating Voltage

Output Voltage

Frequency - Switching

Function

Topology

Features

Quiescent Current

Number of Channels

Output Current

Operating Temperature

Synchronous Rectifier

View other suppliers' inventory on LCSC

LM5146RGYR

C3188679

2,782

In Stock

1+	$2.4796
10+	$2.0883
More
500+	$1.4793
1,000+	$1.429

LCSC-Reels Available

Ext. Price: $2.48

Full Reel: 3,000

Buck Switching Regulator IC 1 Output VQFN-20(3.5x4.5)

VQFN-20(3.5x4.5)

Tape & Reel (TR)

5.5V~100V

800mV~60V

1MHz

Step-down type

Buck

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;EMI optimization (spread spectrum);Light load efficient mode;Built-in LDO regulator;Operating status indication;Overcurrent Protection

1.8mA

-40℃~+150℃@(TJ)

Yes

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LM5146QRGYRQ1

C1850329

124

In Stock

1+	$3.0777
10+	$2.5945
More
500+	$1.941
1,000+	$1.8875

LCSC-Reels Available

Ext. Price: $3.08

Full Reel: 3,000

Buck Switching Regulator IC Adjustable 0.8V~60V 1 Output VQFN-20-EP(3.5x4.5)

VQFN-20-EP(3.5x4.5)

Tape & Reel (TR)

5.5V~100V

800mV~60V

100kHz~1MHz

Step-down type

Buck

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Operating status indication;Frequency synchronization;Light load efficient mode;Built-in LDO regulator

1.8mA

-40℃~+150℃@(TJ)

Yes

View other suppliers' inventory on LCSC

LM5155DSSR

C545416

1,607

In Stock

1+	$1.4756
10+	$1.2616
More
500+	$0.9503
1,000+	$0.9243

LCSC-Reels Available

Ext. Price: $1.48

Full Reel: 3,000

Boost Switching Regulator IC 1 Output 1.5A WSON-12-EP(2x3)

WSON-12-EP(2x3)

Tape & Reel (TR)

3.5V~45V

2.2MHz

Boost

Boost;SEPIC;Flyback

Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;Operating status indication;Overcurrent Protection

480uA

1.5A

-40℃~+125℃@(TJ)

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LM25117PMHX/NOPB

C2870667

4,488

In Stock

1+	$2.6004
10+	$2.401
More
500+	$2.093
1,000+	$2.067

LCSC-Reels Available

Ext. Price: $2.6

Full Reel: 2,500

Buck Switching Regulator IC Adjustable 1 Output HTSSOP-20-EP

HTSSOP-20-EP

Tape & Reel (TR)

4.5V~42V

50kHz~750kHz

Step-down type

Buck

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;Light load efficient mode;Overcurrent Protection

4.8mA

-40℃~+125℃@(TJ)

Yes

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LM5121MHX/NOPB

C1848483

2,548

In Stock

1+	$3.5528
10+	$3.0144
More
500+	$2.2199
1,000+	$2.1534

LCSC-Reels Available

Ext. Price: $3.55

Full Reel: 2,500

Boost Switching Regulator IC 1 Output HTSSOP-20-EP

HTSSOP-20-EP

Tape & Reel (TR)

4.5V~65V

1MHz

Boost

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Load disconnect;Frequency synchronization;Light load efficient mode;Overcurrent Protection

9uA

-40℃~+125℃@(TJ)

Yes

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TPS53015DGSR

C139371

2,456

In Stock

1+	$1.1088
10+	$0.9337
More
500+	$0.629
1,000+	$0.6063

LCSC-Reels Available

Ext. Price: $1.11

Full Reel: 2,500

Buck Switching Regulator IC Adjustable 0.77V~7V 1 Output VSSOP-10-0.5mm

VSSOP-10-0.5mm

Tape & Reel (TR)

4.5V~28V

770mV~7V

500kHz

Step-down type

Buck

Cycle-by-cycle current limiting;Light load efficient mode;Operating status indication;Overcurrent Protection;Built-in LDO regulator

-40℃~+85℃@(TA)

Yes

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LM5141QRGERQ1

C2658684

2,301

In Stock

1+	$2.5578
10+	$2.4285
More
500+	$2.2562
1,000+	$2.2403

LCSC-Reels Available

Ext. Price: $2.56

Full Reel: 3,000

Buck Switching Regulator IC Adjustable 1.5V~15V 1 Output VQFN-24-EP(4x4)

VQFN-24-EP(4x4)

Tape & Reel (TR)

3.8V~65V

1.5V~15V

440kHz;2.2MHz

Step-down type

Buck

Cycle-by-cycle current limiting;Hiccup current limiting;Frequency synchronization;EMI optimization (spread spectrum);Light load efficient mode;Operating status indication

35uA

-40℃~+150℃@(TJ)

Yes

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LM5148QRGYRQ1

C20345493

535

In Stock

1+	$3.4934
10+	$2.9609
More
500+	$2.1757
1,000+	$2.1094

LCSC-Reels Available

Ext. Price: $3.49

Full Reel: 3,000

Buck Switching Regulator IC Adjustable 0.8V~55V 1 Output VQFN-24(3.5x5.5)

VQFN-24(3.5x5.5)

Tape & Reel (TR)

3.5V~80V

800mV~55V

100kHz~2.2MHz

Step-down type

Buck

Cycle-by-cycle current limiting;Hiccup current limiting;Frequency synchronization;EMI optimization (spread spectrum);External compensation;Light load efficient mode;Operating status indication;Overcurrent Protection;Built-in LDO regulator

9.5uA

-40℃~+150℃@(TJ)

Yes

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LM5143QRWGRQ1

C1849541

367

In Stock

1+	$5.7586
10+	$4.9066
30+	$4.388
100+	$3.9524

LCSC-Reels Available

Ext. Price: $5.76

Full Reel: 2,500

Buck Switching Regulator IC Adjustable 0.6V~55V 2 Output VQFN-40-EP(6x6)

VQFN-40-EP(6x6)

Tape & Reel (TR)

3.5V~65V

600mV~55V

2.2MHz

Step-down type

Buck

Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Operating status indication;Frequency synchronization;EMI optimization (spread spectrum);Light load efficient mode;Built-in LDO regulator;Overcurrent Protection

15uA

-40℃~+150℃@(TJ)

Yes

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TPS40055PWPR

C69340

998

In Stock

1+	$1.632
10+	$1.3748
More
500+	$0.9737
1,000+	$0.9414

LCSC-Reels Available

Ext. Price: $1.63

Full Reel: 2,000

Buck Switching Regulator IC Adjustable 1 Output HTSSOP-16-EP

HTSSOP-16-EP

Tape & Reel (TR)

8V~40V

1MHz

Step-down type

Buck

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;External compensation

3mA

-40℃~+85℃@(TA)

Yes

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LM51561QDSSRQ1

C2864497

910

In Stock

1+	$2.421
10+	$2.1486
More
500+	$1.701
1,000+	$1.6686

LCSC-Reels Available

Ext. Price: $2.42

Full Reel: 3,000

Boost Switching Regulator IC 1 Output WSON-12-EP(2x3)

WSON-12-EP(2x3)

Tape & Reel (TR)

2.97V~60V

100kHz~2.2MHz

Boost

Boost;SEPIC;Flyback

Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;EMI optimization (spread spectrum);Operating status indication

490uA

-40℃~+150℃@(TJ)

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LM3478QMMX/NOPB

C2658289

1,253

In Stock

1+	$1.4756
10+	$1.2146
More
500+	$0.8367
1,000+	$0.8027

LCSC-Reels Available

Ext. Price: $1.48

Full Reel: 3,500

Boost Switching Regulator IC Adjustable 1 Output VSSOP-8-0.65mm

VSSOP-8-0.65mm

Tape & Reel (TR)

2.97V~40V

1MHz

Boost

Boost;Flyback;SEPIC

Adjustable current limiting;Cycle-by-cycle current limiting;Built-in LDO regulator;Overcurrent Protection

5uA

-40℃~+125℃@(TJ)

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LM51551DSSR

C778612

1,099

In Stock

1+	$1.1624
10+	$1.0587
More
500+	$0.9079
1,000+	$0.8949

LCSC-Reels Available

Ext. Price: $1.16

Full Reel: 3,000

Boost Switching Regulator IC 1 Output WSON-12(2x3)

WSON-12(2x3)

Tape & Reel (TR)

2.97V~45V

2.2MHz

Boost

Boost;Flyback;SEPIC

Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;Operating status indication;Overcurrent Protection

480uA

-40℃~+125℃@(TJ)

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LM5143QRHARQ1

C5219258

362

In Stock

1+	$3.963
10+	$3.4539
More
500+	$2.7031
1,000+	$2.6399

LCSC-Reels Available

Ext. Price: $3.96

Full Reel: 2,500

Buck Switching Regulator IC 0.6V~55V 2 Output VQFN-40(6x6)

VQFN-40(6x6)

Tape & Reel (TR)

3.5V~65V

600mV~55V

2.2MHz

Step-down type

Buck

Cycle-by-cycle current limiting;Adjustable soft-start;Frequency synchronization;EMI optimization (spread spectrum);Built-in LDO regulator;Operating status indication;Overcurrent Protection;Light load efficient mode

15uA

-40℃~+150℃

Yes

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LM25141QRGERQ1

C3198174

1,217

In Stock

1+	$1.0962
10+	$0.9877
More
500+	$0.8537
1,000+	$0.8393

LCSC-Reels Available

Ext. Price: $1.1

Full Reel: 3,000

Buck Switching Regulator IC Adjustable 1.5V~15V 1 Output VQFN-24(4x4)

VQFN-24(4x4)

Tape & Reel (TR)

3.8V~42V

1.5V~15V

2.2MHz

Step-down type

Buck

Cycle-by-cycle current limiting;Hiccup current limiting;Frequency synchronization;EMI optimization (spread spectrum);Light load efficient mode;Operating status indication

35uA

-40℃~+125℃@(TA)

Yes

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TPS53819ARGTR

C702272

1,802

In Stock

1+	$0.9702
10+	$0.9494
30+	$0.9367
100+	$0.8329

LCSC-Reels Available

Ext. Price: $0.97

Full Reel: 3,000

Buck Switching Regulator IC Adjustable 0.6V~5.5V 1 Output VQFN-16-EP(3x3)

VQFN-16-EP(3x3)

Tape & Reel (TR)

3V~28V

600mV~5.5V

275kHz~1MHz

Step-down type

Buck

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Protection latch;Adjustable soft-start;Output discharge;Light load efficient mode;Overcurrent Protection;Built-in LDO regulator;Operating status indication

610uA

40A

-40℃~+85℃@(TA)

Yes

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LM5156DSSR

C3187944

828

In Stock

1+	$1.281
10+	$1.0784
More
500+	$0.7881
1,000+	$0.7622

LCSC-Reels Available

Ext. Price: $1.28

Full Reel: 3,000

Boost Buck-Boost Switching Regulator IC 1 Output WSON-12(3x2)

WSON-12(3x2)

Tape & Reel (TR)

2.97V~60V

2.2MHz

Boost;Buck-Boost

Boost;Flyback;SEPIC

Cycle-by-cycle current limiting;Adjustable soft-start;Frequency synchronization;EMI optimization (spread spectrum);Light load efficient mode;Operating status indication;Overcurrent Protection

490uA

-40℃~+125℃@(TJ)

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LM5146QRGYTQ1

C2876733

334

In Stock

1+	$5.7191
10+	$4.9765
More
500+	$3.8852
1,000+	$3.7928

LCSC-Reels Available

Ext. Price: $5.72

Full Reel: 250

Buck Switching Regulator IC Adjustable 0.8V~60V 1 Output VQFN-20-EP(3.5x4.5)

VQFN-20-EP(3.5x4.5)

Tape & Reel (TR)

5.5V~100V

800mV~60V

1MHz

Step-down type

Buck

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;Light load efficient mode;Operating status indication;Built-in LDO regulator;Overcurrent Protection

2.1mA

-40℃~+125℃@(TA)

Yes

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LM5117PSQE/NOPB

C2658242

240

In Stock

1+	$6.1118
10+	$5.4361
More
500+	$4.4428
1,000+	$4.3573

LCSC-Reels Available

Ext. Price: $6.11

Full Reel: 250

Buck Switching Regulator IC Adjustable 1 Output WQFN-24-EP(4x4)

WQFN-24-EP(4x4)

Tape & Reel (TR)

5.5V~65V

200kHz;480kHz

Step-down type

Buck

Adjustable current limiting;Cycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;External compensation;Light load efficient mode;Overcurrent Protection

4.8mA

-40℃~+125℃@(TJ)

Yes

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LM5143RHAR

C5219297

251

In Stock

1+	$4.8451
10+	$4.3003
More
500+	$3.5171
1,000+	$3.4604

LCSC-Reels Available

Ext. Price: $4.85

Full Reel: 2,500

Buck Switching Regulator IC Adjustable 0.6V~55V 2 Output VQFN-40-EP(6x6)

VQFN-40-EP(6x6)

Tape & Reel (TR)

3.5V~65V

600mV~55V

2.2MHz

Step-down type

Buck

Cycle-by-cycle current limiting;Adjustable soft-start;Frequency synchronization;EMI optimization (spread spectrum);Light load efficient mode;Built-in LDO regulator;Operating status indication;Overcurrent Protection

15uA

-40℃~+150℃@(TJ)

Yes

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TPS53688RSBR

C2862733

245

In Stock

1+	$4.3879
10+	$4.281
30+	$4.2108
100+	$4.139

LCSC-Reels Available

Ext. Price: $4.39

Full Reel: 3,000

Buck Switching Regulator IC 0.25V~5.5V 2 Output QFN-40

QFN-40

Tape & Reel (TR)

4.5V~17V

250mV~5.5V

Step-down type

Buck

External compensation;Cycle-by-cycle current limiting;Light load efficient mode

-40℃~+125℃

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LM5022QDGSRQ1

C2657976

637

In Stock

1+	$1.2204
10+	$1.0167
More
500+	$0.7274
1,000+	$0.7032

LCSC-Reels Available

Ext. Price: $1.22

Full Reel: 1,000

Boost Switching Regulator IC 1 Output VSSOP-10-0.5mm

VSSOP-10-0.5mm

Tape & Reel (TR)

6V~60V

2.24MHz

Boost

Boost;SEPIC

Cycle-by-cycle current limiting;Frequency synchronization;Adjustable soft-start

3.5mA

-40℃~+125℃@(TJ)

View other suppliers' inventory on LCSC

TPS53219ARGTR

C544646

944

In Stock

1+	$0.7195
10+	$0.5875
More
500+	$0.4169
1,000+	$0.3976

LCSC-Reels Available

Ext. Price: $0.72

Full Reel: 3,000

Buck Switching Regulator IC Adjustable 0.6V~5.5V 1 Output QFN-16(3x3)

QFN-16(3x3)

Tape & Reel (TR)

4.5V~25V

600mV~5.5V

500kHz

Step-down type

Buck

Adjustable soft-start;Output discharge;Operating status indication;Cycle-by-cycle current limiting;Hiccup current limiting;Overcurrent Protection;Light load efficient mode;Built-in LDO regulator

590uA

-40℃~+85℃@(TA)

Yes

View other suppliers' inventory on LCSC

LM5185QPWPRQ1

C22450802

229

In Stock

1+	$4.0863
10+	$3.6274
More
500+	$2.9674
1,000+	$2.9188

LCSC-Reels Available

Ext. Price: $4.09

Full Reel: 3,000

Switching Regulator IC Adjustable 1 Output HTSSOP-14

HTSSOP-14

Tape & Reel (TR)

4.5V~100V

11kHz~350kHz

Flyback

Adjustable current limiting;Adjustable soft-start;Cycle-by-cycle current limiting;Overcurrent Protection;External compensation;Light load efficient mode;Built-in LDO regulator

25uA

-40℃~+150℃@(TJ)

View other suppliers' inventory on LCSC

UCC28C52DR

C20346029

669

In Stock

1+	$0.9957
10+	$0.8124
More
500+	$0.5741
1,000+	$0.5465

LCSC-Reels Available

Ext. Price: $1

Full Reel: 2,500

Switching Regulator IC 1 Output 200mA SOIC-8

SOIC-8

Tape & Reel (TR)

53kHz

200mA

-40℃~+125℃@(TJ)

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