STMicroelectronics Switching Regulators & Controllers 1,352

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Part RoHS Manufacturer Other IC type Temperature Grade No. of Terminals Package Code Package Shape Surface Mount Total Dose (V) Maximum Switching Frequency Package Body Material Approvals (V) Maximum Supply Current (Isup) Maximum Output Current Trim or Adjustable Output (V) No. of Functions No. of Channels Technology Screening Level Nominal Bandwidth Terminal Form Main Out Ripple Voltage Control Technique Nominal Negative Supply Voltage (Vsup) Main Output Efficiency Nominal Supply Voltage (Vsup) Maximum Voltage Tolerance Power Supplies (V) Switcher Config Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Minimum Output Voltage Control Mode Protection(s) Maximum Line Regulation Maximum Total Power Output Minimum Operating Temperature Terminal Finish Maximum Output Voltage Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Height Width (mm) Qualification Maximum Load Regulation Minimum Supply Voltage (Vsup) Nominal Input Voltage Warm-Up Time Additional Features Minimum Input Voltage Maximum Negative Input Voltage JESD-609 Code Maximum Time At Peak Reflow Temperature (s) No. of Outputs Peak Reflow Temperature (C) Nominal Threshold Voltage (V) Length Adjustable Threshold Nominal Output Voltage Maximum Input Voltage

STLUX325ATR

STMicroelectronics

SWITCHING CONTROLLER

NOT SPECIFIED

NOT SPECIFIED

ST2S06APQR

STMicroelectronics

DUAL SWITCHING CONTROLLER

12

HVQCCN

SQUARE

YES

1800 kHz

UNSPECIFIED

1.2 A

2

NO LEAD

PULSE WIDTH MODULATION

PUSH-PULL

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC12,.16SQ,32

Switching Regulator or Controllers

.8 mm

CURRENT-MODE

QUAD

S-XQCC-N12

1 mm

4 mm

Not Qualified

5 V

2.5 V

NOT SPECIFIED

NOT SPECIFIED

4 mm

5.5 V

ST730ABN

STMicroelectronics

SWITCHING REGULATOR

INDUSTRIAL

8

DIP

RECTANGULAR

NO

280 kHz

PLASTIC/EPOXY

2 A

1

CMOS

THROUGH-HOLE

PULSE WIDTH MODULATION

BUCK

IN-LINE

DIP8,.3

Switching Regulator or Controllers

2.54 mm

85 Cel

CURRENT-MODE

-40 Cel

MATTE TIN

DUAL

R-PDIP-T8

4.8 mm

7.62 mm

Not Qualified

5 V

4 V

e3

11 V

L5963D-EHT

STMicroelectronics

DUAL SWITCHING CONTROLLER

NOT SPECIFIED

NOT SPECIFIED

ST763ABN

STMicroelectronics

SWITCHING REGULATOR

INDUSTRIAL

8

DIP

RECTANGULAR

NO

212.5 kHz

PLASTIC/EPOXY

2 A

1

THROUGH-HOLE

PULSE WIDTH MODULATION

BUCK

IN-LINE

DIP8,.3

Switching Regulator or Controllers

2.54 mm

85 Cel

CURRENT-MODE

-40 Cel

MATTE TIN

DUAL

R-PDIP-T8

4.8 mm

7.62 mm

Not Qualified

5 V

3.3 V

e3

11 V

ST5R25U

STMicroelectronics

SWITCHING REGULATOR

OTHER

3

RECTANGULAR

YES

150 kHz

PLASTIC/EPOXY

.01 A

1

FLAT

BOOST

SMALL OUTLINE

TO-243

Switching Regulator or Controllers

1.5 mm

85 Cel

VOLTAGE-MODE

-25 Cel

SINGLE

R-PSSO-F3

1.6 mm

2.445 mm

Not Qualified

1.5 V

4.5 mm

AST1S31HF

STMicroelectronics

SWITCHING REGULATOR

NICKEL PALLADIUM GOLD

1

e4

30

260

STNRGPF02

STMicroelectronics

SWITCHING CONTROLLER

R7985A

STMicroelectronics

SWITCHING REGULATOR

NOT SPECIFIED

NOT SPECIFIED

L6730B

STMicroelectronics

SWITCHING CONTROLLER

OTHER

20

HTSSOP

RECTANGULAR

YES

1000 kHz

PLASTIC/EPOXY

20 A

1

BICMOS

GULL WING

PULSE WIDTH MODULATION

BUCK

SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Switching Regulator or Controllers

.65 mm

125 Cel

VOLTAGE-MODE

-25 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

3

1.2 mm

4.4 mm

Not Qualified

12 V

1.8 V

e4

40

260

6.5 mm

14 V

E-L6562N

STMicroelectronics

POWER FACTOR CONTROLLER

8

DIP

RECTANGULAR

NO

PLASTIC/EPOXY

.8 A

1

BCDMOS

THROUGH-HOLE

PULSE WIDTH MODULATION

SINGLE

IN-LINE

2.54 mm

CURRENT-MODE

DUAL

R-PDIP-T8

5.08 mm

7.62 mm

Not Qualified

12 V

10.3 V

NOT SPECIFIED

NOT SPECIFIED

22 V

PM6680A

STMicroelectronics

DUAL SWITCHING CONTROLLER

AUTOMOTIVE

32

HVQCCN

SQUARE

YES

500 kHz

UNSPECIFIED

.4 A

1

NO LEAD

PULSE WIDTH MODULATION

PHASE-SHIFT

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

Switching Regulator or Controllers

.5 mm

125 Cel

VOLTAGE-MODE

-40 Cel

MATTE TIN

QUAD

S-XQCC-N32

3

1 mm

5 mm

Not Qualified

24 V

6 V

e3

30

260

5 mm

36 V

ST735CD

STMicroelectronics

SWITCHING REGULATOR

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

160 kHz

PLASTIC/EPOXY

2 A

1

BICMOS

GULL WING

PULSE WIDTH MODULATION

SINGLE

SMALL OUTLINE

SOP8,.25

Switching Regulator or Controllers

1.27 mm

125 Cel

CURRENT-MODE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G8

1

1.75 mm

3.9 mm

Not Qualified

5 V

4 V

e4

4.9 mm

6.2 V

GS-R24H0502

STMicroelectronics

SWITCHING REGULATOR

OTHER

18

DIP

RECTANGULAR

NO

275 kHz

PLASTIC/EPOXY

2 A

1

PIN/PEG

BUCK

IN-LINE

DIP18,1.14

Switching Regulator or Controllers

2.54 mm

85 Cel

VOLTAGE-MODE

-25 Cel

DUAL

R-PDIP-P18

Not Qualified

16 V

35 V

GS-R12H0001.5

STMicroelectronics

SWITCHING REGULATOR

OTHER

6

DIP

RECTANGULAR

NO

275 kHz

UNSPECIFIED

2.5 A

1

HYBRID

PIN/PEG

BUCK

IN-LINE

DIP6(UNSPEC)

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

-25 Cel

TIN LEAD

DUAL

R-XDIP-P6

Not Qualified

12 V

4.5 V

e0

15 V

ALTAIR04-900TR

STMicroelectronics

SWITCHING REGULATOR

16

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

GULL WING

PULSE WIDTH MODULATION

BUCK-BOOST

SMALL OUTLINE

SOP16,.25

Switching Regulator or Controllers

1.27 mm

CURRENT-MODE

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

3

Not Qualified

e4

260

23 V

L6733

STMicroelectronics

ST779ACD

STMicroelectronics

SWITCHING REGULATOR

OTHER

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

1 A

1

BIPOLAR

GULL WING

BOOST

SMALL OUTLINE

SOP8,.25

Switching Regulator or Controllers

1.27 mm

85 Cel

VOLTAGE-MODE

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDSO-G8

1.75 mm

3.9 mm

Not Qualified

2.5 V

1.1 V

e4

4.9 mm

6 V

ST730ACD

STMicroelectronics

SWITCHING REGULATOR

COMMERCIAL

8

SOP

RECTANGULAR

YES

220 kHz

PLASTIC/EPOXY

2 A

1

CMOS

GULL WING

PULSE WIDTH MODULATION

BUCK

SMALL OUTLINE

SOP8,.25

Switching Regulator or Controllers

1.27 mm

70 Cel

CURRENT-MODE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G8

1.75 mm

3.9 mm

Not Qualified

5 V

4 V

e4

4.9 mm

11 V

GS-R24F0502.0

STMicroelectronics

SWITCHING REGULATOR

COMMERCIAL EXTENDED

12

RECTANGULAR

YES

275 kHz

UNSPECIFIED

2 A

1

NO LEAD

BUCK

MICROELECTRONIC ASSEMBLY

85 Cel

-25 Cel

DUAL

R-XDMA-N12

Not Qualified

24 V

16 V

35 V

LNBS21PD

STMicroelectronics

SWITCHING CONTROLLER

AUTOMOTIVE

20

SOP

RECTANGULAR

YES

220 kHz

PLASTIC/EPOXY

40 mA

1 A

1

GULL WING

12 V

12

SINGLE

SMALL OUTLINE

SOP20,.56

Power Management Circuits

1.27 mm

125 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G20

3.6 mm

11 mm

Not Qualified

12 V

8 V

e3

15.9 mm

15 V

L6917DTR

STMicroelectronics

SWITCHING CONTROLLER

28

SOP

RECTANGULAR

YES

1000 kHz

PLASTIC/EPOXY

1

GULL WING

PULSE WIDTH MODULATION

PHASE-SHIFT

SMALL OUTLINE

1.27 mm

CURRENT-MODE

DUAL

R-PDSO-G28

2.65 mm

7.5 mm

Not Qualified

12 V

8.5 V

17.9 mm

STOD1412PMR

STMicroelectronics

SWITCHING CONTROLLER

INDUSTRIAL

16

HVQCCN

SQUARE

YES

1300 kHz

UNSPECIFIED

1

NO LEAD

PULSE WIDTH MODULATION

SINGLE

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N16

1

.8 mm

3 mm

Not Qualified

3.7 V

ALSO OPERATES IN ADJUSTABLE MODE FROM 4.3 TO 6V AND -8 TO -2V

2.7 V

e3

30

260

3 mm

4.6 V

5.5 V

ST5430D

STMicroelectronics

INDUSTRIAL

20

SOP

RECTANGULAR

YES

100 kHz

PLASTIC/EPOXY

.00025 A

GULL WING

SMALL OUTLINE

SOP20,.4

Switching Regulator or Controllers

1.27 mm

85 Cel

CURRENT-MODE

-40 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G20

Not Qualified

e0

ST5R28UTR

STMicroelectronics

SWITCHING REGULATOR

OTHER

3

RECTANGULAR

YES

150 kHz

PLASTIC/EPOXY

1

FLAT

BOOST

SMALL OUTLINE

1.5 mm

85 Cel

-25 Cel

SINGLE

R-PSSO-F3

1.6 mm

2.445 mm

Not Qualified

1.7 V

4.5 mm

ST5R33M

STMicroelectronics

SWITCHING REGULATOR

OTHER

5

LSSOP

RECTANGULAR

YES

150 kHz

PLASTIC/EPOXY

.01 A

1

GULL WING

BOOST

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSOP5/6,.11,37

Switching Regulator or Controllers

.95 mm

85 Cel

VOLTAGE-MODE

-25 Cel

TIN

DUAL

R-PDSO-G5

1

1.45 mm

1.625 mm

Not Qualified

2 V

e3

2.9 mm

PM6670A

STMicroelectronics

SWITCHING CONTROLLER

INDUSTRIAL

24

HVQCCN

SQUARE

YES

UNSPECIFIED

1.4 A

1

NO LEAD

PULSE WIDTH MODULATION

PUSH-PULL

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N24

.8 mm

4 mm

Not Qualified

5 V

ALSO OPERATES WITH 5 VOLT SUPPLY

4.5 V

4 mm

28 V

STOD03BTPUR

STMicroelectronics

SWITCHING REGULATOR

INDUSTRIAL

12

HVSON

SQUARE

YES

1650 kHz

PLASTIC/EPOXY

1

NO LEAD

PULSE WIDTH MODULATION

BOOST

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

.45 mm

85 Cel

CURRENT-MODE

-40 Cel

DUAL

S-PDSO-N12

.6 mm

3 mm

3.7 V

ADJUSTABLE OUTPUT VOLTAGE RANGE FROM -5.4 VOLT TO -2.4 VOLT

2.3 V

NOT SPECIFIED

NOT SPECIFIED

3 mm

4.6 V

4.8 V

L6997DTR

STMicroelectronics

SWITCHING CONTROLLER

OTHER

20

TSSOP

RECTANGULAR

YES

PLASTIC/EPOXY

1

GULL WING

PULSE WIDTH MODULATION

PUSH-PULL

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Switching Regulator or Controllers

.65 mm

85 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

DUAL

R-PDSO-G20

1.2 mm

4.4 mm

Not Qualified

3.3 V

CAN ALSO OPERATE IN PFM MODE

3 V

e0

6.5 mm

5.5 V

STOD02TPUR

STMicroelectronics

SWITCHING REGULATOR

INDUSTRIAL

12

HVSON

RECTANGULAR

YES

1850 kHz

PLASTIC/EPOXY

.1 A

1

NO LEAD

PULSE WIDTH MODULATION

BOOST

SMALL OUTLINE

SOLCC12,.12,20

Switching Regulator or Controllers

.45 mm

85 Cel

VOLTAGE-MODE

-40 Cel

MATTE TIN

DUAL

R-PDSO-N12

1

.6 mm

3 mm

Not Qualified

3.7 V

2.5 V

e3

30

260

3 mm

4.6 V

4.5 V

GS-R24H0331.5

STMicroelectronics

SWITCHING REGULATOR

OTHER

6

DIP

RECTANGULAR

NO

275 kHz

UNSPECIFIED

3.5 A

1

HYBRID

PIN/PEG

BUCK

IN-LINE

DIP6(UNSPEC)

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

-25 Cel

TIN LEAD

DUAL

R-XDIP-P6

Not Qualified

24 V

16 V

e0

35 V

LNBP9V7V

STMicroelectronics

SWITCHING REGULATOR

AUTOMOTIVE

7

ZIP

RECTANGULAR

NO

PLASTIC/EPOXY

6 mA

.8 A

1

THROUGH-HOLE

16,22

SINGLE

FLANGE MOUNT

ZIP7,.2,.1TB

Power Management Circuits

1.27 mm

125 Cel

-40 Cel

ZIG-ZAG

R-PZFM-T7

Not Qualified

16 V

15 V

25 V

L5987TR

STMicroelectronics

SWITCHING REGULATOR

AUTOMOTIVE

8

HVSON

SQUARE

YES

1000 kHz

PLASTIC/EPOXY

4.4 A

1

NO LEAD

PULSE WIDTH MODULATION

BUCK

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

SOLCC8,.11,20

Switching Regulator or Controllers

.5 mm

125 Cel

VOLTAGE-MODE

-40 Cel

DUAL

S-PDSO-N8

1 mm

3 mm

Not Qualified

12 V

ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 18V

2.9 V

NOT SPECIFIED

NOT SPECIFIED

3 mm

18 V

GS-R24S0331.5

STMicroelectronics

SWITCHING REGULATOR

OTHER

6

SOP

RECTANGULAR

YES

275 kHz

UNSPECIFIED

3.5 A

1

HYBRID

GULL WING

BUCK

SMALL OUTLINE

GWDIP6,1.2

Switching Regulator or Controllers

2.54 mm

70 Cel

VOLTAGE-MODE

-25 Cel

TIN LEAD

DUAL

R-XDSO-G6

Not Qualified

24 V

16 V

e0

35 V

ST735TCD

STMicroelectronics

SWITCHING REGULATOR

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

300 kHz

PLASTIC/EPOXY

2 A

1

BICMOS

GULL WING

PULSE WIDTH MODULATION

BUCK-BOOST

SMALL OUTLINE

SOP8,.25

Switching Regulator or Controllers

1.27 mm

125 Cel

CURRENT-MODE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G8

1

1.75 mm

3.9 mm

Not Qualified

5 V

4 V

e4

4.9 mm

6.2 V

ST1843FKT

STMicroelectronics

SWITCHING CONTROLLER

8

DFP

SQUARE

YES

50k Rad(Si)

55 kHz

UNSPECIFIED

17 mA

1 A

1

FLAT

PULSE WIDTH MODULATION

BOOST

FLATPACK

FL8,.25

1.27 mm

4.95 V

CURRENT-MODE

5.05 V

DUAL

S-XDFP-F8

2.64 mm

6.48 mm

15 V

12 V

NOT SPECIFIED

NOT SPECIFIED

6.48 mm

25 V

ST5R50MTR

STMicroelectronics

SWITCHING REGULATOR

OTHER

5

LSSOP

RECTANGULAR

YES

160 kHz

PLASTIC/EPOXY

1

GULL WING

FREQUENCY MODULATION

BOOST

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSOP5/6,.11,37

Switching Regulator or Controllers

.95 mm

85 Cel

VOLTAGE-MODE

-25 Cel

TIN

DUAL

R-PDSO-G5

1.45 mm

1.625 mm

Not Qualified

3 V

e3

2.9 mm

L6730BTR

STMicroelectronics

SWITCHING CONTROLLER

OTHER

20

HTSSOP

RECTANGULAR

YES

1000 kHz

PLASTIC/EPOXY

20 A

1

BICMOS

GULL WING

PULSE WIDTH MODULATION

BUCK

SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Switching Regulator or Controllers

.65 mm

125 Cel

VOLTAGE-MODE

-25 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

3

1.2 mm

4.4 mm

Not Qualified

12 V

1.8 V

e4

40

260

6.5 mm

14 V

SRK2001

STMicroelectronics

SWITCHING CONTROLLER

NOT SPECIFIED

NOT SPECIFIED

L6730C

STMicroelectronics

SWITCHING CONTROLLER

INDUSTRIAL

20

HTSSOP

RECTANGULAR

YES

1000 kHz

PLASTIC/EPOXY

20 A

1

BICMOS

GULL WING

PULSE WIDTH MODULATION

BUCK

SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

.65 mm

85 Cel

VOLTAGE-MODE

-40 Cel

DUAL

R-PDSO-G20

1.2 mm

4.4 mm

Not Qualified

1.8 V

6.5 mm

14 V

L6997D

STMicroelectronics

SWITCHING CONTROLLER

OTHER

20

TSSOP

RECTANGULAR

YES

PLASTIC/EPOXY

1

GULL WING

PULSE WIDTH MODULATION

PUSH-PULL

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

Switching Regulator or Controllers

.65 mm

85 Cel

VOLTAGE-MODE

0 Cel

TIN LEAD

DUAL

R-PDSO-G20

1.2 mm

4.4 mm

Not Qualified

3.3 V

CAN ALSO OPERATE IN PFM MODE

3 V

e0

6.5 mm

5.5 V

ST1845RKG

STMicroelectronics

SWITCHING CONTROLLER

8

DFP

SQUARE

YES

100k Rad(Si)

27.5 kHz

UNSPECIFIED

17 mA

1 A

1

FLAT

PULSE WIDTH MODULATION

BOOST

FLATPACK

FL8,.25

Switching Regulator or Controllers

1.27 mm

4.95 V

CURRENT-MODE

5.05 V

DUAL

S-XDFP-F8

2.64 mm

6.48 mm

Not Qualified

15 V

12 V

NOT SPECIFIED

NOT SPECIFIED

6.48 mm

25 V

L6728H

STMicroelectronics

SWITCHING CONTROLLER

COMMERCIAL

10

HVSON

SQUARE

YES

330 kHz

PLASTIC/EPOXY

1

NO LEAD

PULSE WIDTH MODULATION

PUSH-PULL

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

SOLCC10,.12,20

Switching Regulator or Controllers

.5 mm

70 Cel

VOLTAGE-MODE

0 Cel

MATTE TIN

DUAL

S-PDSO-N10

1

1 mm

3 mm

Not Qualified

5 V

e3

30

260

3 mm

12 V

GS-R24FV0001.8

STMicroelectronics

SWITCHING REGULATOR

COMMERCIAL EXTENDED

10

RECTANGULAR

NO

UNSPECIFIED

2.3 A

1

THROUGH-HOLE

BUCK

MICROELECTRONIC ASSEMBLY

85 Cel

-25 Cel

SINGLE

R-XSMA-T10

Not Qualified

24 V

16 V

35 V

ST3M01D

STMicroelectronics

SWITCHING REGULATOR

INDUSTRIAL

14

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

2

GULL WING

SINGLE

SMALL OUTLINE

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G14

1.75 mm

3.9 mm

Not Qualified

2.4 V

1.9 V

8.65 mm

3.3 V

PM6670

STMicroelectronics

SWITCHING CONTROLLER

INDUSTRIAL

24

HVQCCN

SQUARE

YES

UNSPECIFIED

1.4 A

1

NO LEAD

PULSE WIDTH MODULATION

PUSH-PULL

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N24

.8 mm

4 mm

Not Qualified

5 V

ALSO OPERATES WITH 5 VOLT SUPPLY

4.5 V

4 mm

28 V

L5963U-KBX

STMicroelectronics

DUAL SWITCHING CONTROLLER

3

GS-R24H0181.5

STMicroelectronics

SWITCHING REGULATOR

OTHER

6

DIP

RECTANGULAR

NO

275 kHz

UNSPECIFIED

3.5 A

1

HYBRID

PIN/PEG

BUCK

IN-LINE

DIP6(UNSPEC)

Switching Regulator or Controllers

70 Cel

VOLTAGE-MODE

-25 Cel

TIN LEAD

DUAL

R-XDIP-P6

Not Qualified

24 V

16 V

e0

35 V

Switching Regulators & Controllers

Switching regulators and controllers are electronic devices used to regulate the output voltage and current of power supplies. They operate by rapidly switching a power supply circuit between on and off states, resulting in a high-frequency waveform that can be filtered and smoothed to produce a stable output voltage.

Switching regulators and controllers offer several advantages over traditional linear regulators, including higher efficiency and the ability to handle a wider range of input voltages. They are commonly used in applications such as power supplies for computers, LED lighting, and motor control.

Switching regulators and controllers come in a variety of forms, including step-up (boost), step-down (buck), and step-up/down (buck-boost) configurations. They may be designed as integrated circuits (ICs) or as standalone modules.

Switching regulators and controllers typically include feedback control circuits to adjust the output voltage and current, as well as protection circuits to prevent overvoltage, overcurrent, and overtemperature conditions. They may also include features such as soft-start to reduce inrush currents and synchronization with external clock signals.