Switching Controllers – Mouser Singapore

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Buck Converters for Power Over Ethernet

A buck converter is a power efficient voltage step-down converter that changes a higher voltage to a lower voltage. Whereas a linear regulator can achieve the same purpose, regulators can waste more energy via conversion of excess energy to heat. For this reason, a buck DC/DC converter is the preferred choice for power-efficient designs. A DC/DC boost converter, also known as a step-up converter, is a semiconductor device or electrical circuit that has an output DC voltage that is greater than the DC input voltage.

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Part #

Switching Controllers 42V Synchronous Step -Down Controller wi A 926-LM3152MHE33NOPB

LM3152MH-3.3/NOPB
Texas Instruments
1: $7.11
Lead-Time 9 Weeks

Mfr. Part No.
LM3152MH-3.3/NOPB

Mouser Part No
926-LM3152MH33NOPB

Texas Instruments

Switching Controllers 42V Synchronous Step -Down Controller wi A 926-LM3152MHE33NOPB

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Datasheet

Lead-Time 9 Weeks

$7.11

$5.39

$4.61

$4.39

View

Min.: 1
Mult.: 1

Buck

1 Output

500 kHz

81 %

3.3 V

12 A

- 40 C

+ 125 C

SMD/SMT

HTSSOP-14

Tube

Switching Controllers 1MHz Synchronous Buck Controller

MIC2168AYMM
Microchip Technology
1: $3.85
Lead-Time 11 Weeks

Mfr. Part No.
MIC2168AYMM

Mouser Part No
998-MIC2168AYMM

Microchip Technology

Switching Controllers 1MHz Synchronous Buck Controller

Datasheet

Lead-Time 11 Weeks

$3.85

Min.: 1
Mult.: 1

Buck

1 Output

1 MHz

90 %

Adjustable

- 40 C

+ 125 C

SMD/SMT

MSOP-10

Tube

Switching Controllers Monolithic SMPS Controller

MIC38C42AYMM
Microchip Technology
1: $1.44
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
MIC38C42AYMM

Mouser Part No
998-MIC38C42AYMM

Microchip Technology

Switching Controllers Monolithic SMPS Controller

Datasheet

Non-Stocked Lead-Time 11 Weeks

$1.44

Min.: 1
Mult.: 1

Boost, Buck

1 Output

500 kHz

96 %

5 V

500 mA

- 40 C

+ 85 C

SMD/SMT

MSOP-8

Tube

Switching Controllers Monolithic SMPS Controller

MIC38C42YMM
Microchip Technology
1: $1.44
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
MIC38C42YMM

Mouser Part No
998-MIC38C42YMM

Microchip Technology

Switching Controllers Monolithic SMPS Controller

Datasheet

Non-Stocked Lead-Time 11 Weeks

$1.44

Min.: 1
Mult.: 1

Boost, Buck

1 Output

500 kHz

96 %

5 V

500 mA

- 40 C

+ 85 C

SMD/SMT

MSOP-8

Tube

Switching Controllers Monolithic SMPS Controller

MIC38HC42-1YM
Microchip Technology
1: $4.88
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
MIC38HC42-1YM

Mouser Part No
998-MIC38HC42-1YM

Microchip Technology

Switching Controllers Monolithic SMPS Controller

Datasheet

Non-Stocked Lead-Time 9 Weeks

$4.88

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

96 %

5 V

1 A

- 40 C

+ 85 C

SMD/SMT

SOIC-8

Tube

Switching Controllers Monolithic SMPS Controller

MIC38HC42YM-TR
Microchip Technology
2,500: $2.22
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
MIC38HC42YM-TR

Mouser Part No
998-MIC38HC42YMTR

Microchip Technology

Switching Controllers Monolithic SMPS Controller

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$2.22

Min.: 2,500
Mult.: 2,500

: 2,500

Boost, Buck, Flyback, Forward

1 Output

500 kHz

96 %

5 V

1 A

- 40 C

+ 85 C

SMD/SMT

SOIC-8

Reel

Switching Controllers Sync Buck, PWM Ctrl 300Khz, 20ns

MCP19035-AAAAE/MF
Microchip Technology
1: $2.83
Non-Stocked

Mfr. Part No.
MCP19035-AAAAE/MF

Mouser Part No
579-MCP19035AAAAE/MF

Microchip Technology

Switching Controllers Sync Buck, PWM Ctrl 300Khz, 20ns

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Datasheet

Non-Stocked

$2.83

Min.: 1
Mult.: 1

Buck

1 Output

300 kHz

85 %

5 V

50 mA

- 40 C

+ 125 C

SMD/SMT

DFN-10

AEC-Q100

Tube

Switching Controllers 60V Low IQ Buck Ctlr

LTC3372EUK#TRPBF
Analog Devices
2,000: $16.78
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
LTC3372EUK#TRPBF

Mouser Part No
584-3372EUKTRPB

Analog Devices

Switching Controllers 60V Low IQ Buck Ctlr

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Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$16.78

Min.: 2,000
Mult.: 2,000

: 2,000

Buck

5 Output

1 MHz to 3 MHz

100 %

3.3 V, 5 V

8 A

- 40 C

+ 125 C

SMD/SMT

QFN-48

Reel

Switching Controllers 60V Low IQ Buck Ctlr

LTC3372HUK#PBF
Analog Devices
1: $30.06
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
LTC3372HUK#PBF

Mouser Part No
584-3372HUKPB

Analog Devices

Switching Controllers 60V Low IQ Buck Ctlr

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

$30.06

$23.81

$22.26

$20.55

View

Min.: 1
Mult.: 1

Buck

5 Output

1 MHz to 3 MHz

100 %

3.3 V, 5 V

8 A

- 40 C

+ 150 C

SMD/SMT

QFN-48

Tube

Switching Controllers 60V Low IQ Buck Ctlr

LTC3372HUK#TRPBF
Analog Devices
2,000: $19.24
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
LTC3372HUK#TRPBF

Mouser Part No
584-3372HUKTRPB

Analog Devices

Switching Controllers 60V Low IQ Buck Ctlr

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$19.24

Min.: 2,000
Mult.: 2,000

: 2,000

Buck

5 Output

1 MHz to 3 MHz

100 %

3.3 V, 5 V

8 A

- 40 C

+ 150 C

SMD/SMT

QFN-48

Reel

Switching Controllers 60V Low IQ Buck Ctlr

LTC3372IUK#TRPBF
Analog Devices
2,000: $18.37
Non-Stocked Lead-Time 17 Weeks

Mfr. Part No.
LTC3372IUK#TRPBF

Mouser Part No
584-3372IUKTRPB

Analog Devices

Switching Controllers 60V Low IQ Buck Ctlr

Learn More

Datasheet

Non-Stocked Lead-Time 17 Weeks

Reel

$18.37

Min.: 2,000
Mult.: 2,000

: 2,000

Buck

5 Output

1 MHz to 3 MHz

100 %

3.3 V, 5 V

8 A

- 40 C

+ 125 C

SMD/SMT

QFN-48

Reel

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

LTC3884ERHE-1#TRPBF
Analog Devices
2,500: $18.50
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
LTC3884ERHE-1#TRPBF

Mouser Part No
584-3884ERHE1TRPBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$18.50

Min.: 2,500
Mult.: 2,500

: 2,500

Buck

1 Output

200 kHz to 1 MHz

80 %

500 mV to 5.5 V

30 A

- 40 C

+ 125 C

SMD/SMT

GQFN-48

Reel

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

LTC3884IRHE-1#TRPBF
Analog Devices
2,500: $18.37
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
LTC3884IRHE-1#TRPBF

Mouser Part No
584-3884IRHE1TRPBF

Analog Devices

Switching Controllers 2x Out PolyPhBuck Cntr w/ Sub-Milliohm D

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Reel

$18.37

Min.: 2,500
Mult.: 2,500

: 2,500

Buck

1 Output

200 kHz to 1 MHz

80 %

500 mV to 5.5 V

30 A

- 40 C

+ 125 C

SMD/SMT

GQFN-48

Reel

Switching Controllers L IQ , 60V, Hi Freq Sync Buck Cntr

LTC7800HUDC#TRPBF
Analog Devices
2,500: $11.67
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC7800HUDC#TRPBF

Mouser Part No
584-7800HUDCTRPBF

Analog Devices

Switching Controllers L IQ , 60V, Hi Freq Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$11.67

Min.: 2,500
Mult.: 2,500

: 2,500

Buck

1 Output

320 kHz to 2.25 MHz

98 %

800 mV to 24 V

20 A

- 40 C

+ 150 C

SMD/SMT

QFN-20

Reel

Switching Controllers L IQ , 60V, Hi Freq Sync Buck Cntr

LTC7800IUDC#TRPBF
Analog Devices
2,500: $10.89
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC7800IUDC#TRPBF

Mouser Part No
584-7800IUDCTRPBF

Analog Devices

Switching Controllers L IQ , 60V, Hi Freq Sync Buck Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$10.89

Min.: 2,500
Mult.: 2,500

: 2,500

Buck

1 Output

320 kHz to 2.25 MHz

98 %

800 mV to 24 V

20 A

- 40 C

+ 125 C

SMD/SMT

QFN-20

Reel

Switching Controllers 150V L IQ, Sync Buck DC/DC Cntr

LTC7801HUFD#TRPBF
Analog Devices
2,500: $15.04
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
LTC7801HUFD#TRPBF

Mouser Part No
584-7801HUFDTRPBF

Analog Devices

Switching Controllers 150V L IQ, Sync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

$15.04

Min.: 2,500
Mult.: 2,500

: 2,500

Buck

1 Output

50 kHz to 900 kHz

100 %

800 mV to 60 V

10 A

- 40 C

+ 150 C

SMD/SMT

QFN-24

Reel

Switching Controllers 150V L IQ, Sync Buck DC/DC Cntr

LTC7801IUFD#TRPBF
Analog Devices
2,500: $13.12
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC7801IUFD#TRPBF

Mouser Part No
584-7801IUFDTRPBF

Analog Devices

Switching Controllers 150V L IQ, Sync Buck DC/DC Cntr

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$13.12

Min.: 2,500
Mult.: 2,500

: 2,500

Buck

1 Output

50 kHz to 900 kHz

100 %

800 mV to 60 V

10 A

- 40 C

+ 125 C

SMD/SMT

QFN-24

Reel

Switching Controllers 60V Sync 4-Switch Buck-Boost Cntr w/ SS

LT8390EUFD#WTRPBF
Analog Devices
2,500: $13.36
Non-Stocked Lead-Time 15 Weeks

Mfr. Part No.
LT8390EUFD#WTRPBF

Mouser Part No
584-8390EUFD#WTRPBF

Analog Devices

Switching Controllers 60V Sync 4-Switch Buck-Boost Cntr w/ SS

Learn More

Datasheet

Non-Stocked Lead-Time 15 Weeks

Reel

$13.36

Min.: 2,500
Mult.: 2,500

: 2,500

Boost, Buck

1 Output

630 kHz

95 %

0 V to 60 V

25 A

- 40 C

+ 125 C

SMD/SMT

QFN-28

AEC-Q100

Reel

Switching Controllers 20 Amp Buck Controller in QSOP

ADP1821ARQZ-R7
Analog Devices
1: $7.92
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
ADP1821ARQZ-R7

Mouser Part No
584-ADP1821ARQZ-R7

Analog Devices

Switching Controllers 20 Amp Buck Controller in QSOP

Datasheet

Non-Stocked Lead-Time 14 Weeks

Cut Tape

$7.92

$6.02

$5.55

$5.03

Reel

$4.58

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Buck

1 Output

300 kHz to 600 kHz

90 %

600 mV to 20.4 V

20 A

- 40 C

+ 85 C

SMD/SMT

QSOP-16

Reel, Cut Tape, MouseReel

Switching Controllers 1.0MHz, Light Load Eff Enabled

ADP1882ARMZ-1.0-R7
Analog Devices
1: $5.11
Lead-Time 14 Weeks

Mfr. Part No.
ADP1882ARMZ-1.0-R7

Mouser Part No
584-ADP1882ARMZ1.0R7

Analog Devices

Switching Controllers 1.0MHz, Light Load Eff Enabled

Datasheet

Lead-Time 14 Weeks

Cut Tape

$5.11

$3.81

$3.48

$3.13

Reel

$2.73

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Buck

1 Output

300 kHz, 600 kHz, 1 MHz

84 %

800 mV

25 A

- 40 C

+ 125 C

SMD/SMT

MSOP-10

Reel, Cut Tape, MouseReel

Switching Controllers WM Controller for Battery Test Solution

ADP1974ARUZ-R7
Analog Devices
1,000: $11.95
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
ADP1974ARUZ-R7

Mouser Part No
584-ADP1974ARUZ-R7

Analog Devices

Switching Controllers WM Controller for Battery Test Solution

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$11.95

Quote

Min.: 1,000
Mult.: 1,000

: 1,000

Boost, Buck

1 Output

50 kHz to 300 kHz

97 %

5 V

5 mA

- 40 C

+ 85 C

SMD/SMT

TSSOP-16

Reel

Switching Controllers Hi Speed C Mode Pulse Width Mods

LT1242CS8#PBF
Analog Devices
1: $12.42
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LT1242CS8#PBF

Mouser Part No
584-LT1242CS8#PBF

Analog Devices

Switching Controllers Hi Speed C Mode Pulse Width Mods

Datasheet

Non-Stocked Lead-Time 14 Weeks

$12.42

$9.62

$8.92

$8.15

View

Min.: 1
Mult.: 1

Buck

1 Output

500 kHz

96 %

5 V

1 A

0 C

+ 100 C

SMD/SMT

SOIC-8

Tube

Switching Controllers Hi Speed C Mode Pulse Width Mods

LT1243IS8#TRPBF
Analog Devices
2,500: $7.59
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LT1243IS8#TRPBF

Mouser Part No
584-LT1243IS8#TRPBF

Analog Devices

Switching Controllers Hi Speed C Mode Pulse Width Mods

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$7.59

Min.: 2,500
Mult.: 2,500

: 2,500

Buck

1 Output

500 kHz

96 %

5 V

1 A

- 40 C

+ 100 C

SMD/SMT

SOIC-8

Reel

Switching Controllers Hi Speed C Mode Pulse Width Mods

LT1245CN8#PBF
Analog Devices
1: $10.87
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LT1245CN8#PBF

Mouser Part No
584-LT1245CN8#PBF

Analog Devices

Switching Controllers Hi Speed C Mode Pulse Width Mods

Datasheet

Non-Stocked Lead-Time 14 Weeks

$10.87

$8.38

$7.75

$7.07

View

Min.: 1
Mult.: 1

Buck

1 Output

500 kHz

96 %

5 V

1 A

0 C

+ 100 C

Through Hole

PDIP-8

Tube

Switching Controllers Hi Speed C Mode Pulse Width Mods

LT1245IS8#PBF
Analog Devices
1: $13.38
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LT1245IS8#PBF

Mouser Part No
584-LT1245IS8#PBF

Analog Devices

Switching Controllers Hi Speed C Mode Pulse Width Mods

Datasheet

Non-Stocked Lead-Time 14 Weeks

$13.38

$10.42

$9.67

$8.85

View

Min.: 1
Mult.: 1

Buck

1 Output

500 kHz

96 %

5 V

1 A

- 40 C

+ 100 C

SMD/SMT

SOIC-8

Tube

Buck Converters for Power Over Ethernet

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650 Hz to 80 kHz
35 kHz to 500 kHz
50 kHz to 1 MHz
50 kHz to 300 kHz
50 kHz to 500 kHz
50 kHz to 750 kHz
50 kHz to 850 kHz
50 kHz to 900 kHz
60 kHz
65 kHz
70 kHz
70 kHz to 130 kHz
80 kHz to 600 kHz
100 kHz
100 kHz to 1 MHz
100 kHz to 1.6 MHz
100 kHz to 2.2 MHz
100 kHz to 2.5 MHz
100 kHz to 2.64 MHz
100 kHz to 3 MHz

80 %
81 %
82 %
83 %
84 %
85 %
86 %
87.5 %
88 %
89 %
90 %
91 %
92 %
93 %
95 %
96 %
97 %
98 %
98.75 %
99 %

0 V to 60 V
100 mV to 100 V
300 mV to 16 V
400 mV to 2.5 V
400 mV to 4.73 V
500 mV
500 mV to 1.27 V
500 mV to 3.6 V
500 mV to 5.25 V
500 mV to 5.5 V
591 mV
591 mV to 14.4 V
591 mV to 17 V
600 mV
600 mV to 12.75 V
600 mV to 13.5 V
600 mV to 17 V
600 mV to 18 V
600 mV to 18.6 V
600 mV to 19 V

1 uA
13.2 uA
52.5 uA
65 uA
105 uA
130 uA
180 uA
200 uA
800 uA
1 mA
2 mA
4 mA
5 mA
6 mA
8 mA
20 mA
25 mA
30 mA
37 mA
40 mA

CFP-8
CPAK-20
DFN-10
DFNW-10
DIP-7
DIP-8
GQFN-48
HTQFP-48
HTSSOP-14
HTSSOP-16
HTSSOP-20
HTSSOP-38
LFCSP-20
LFCSP-32
LLP-8
LQFP-48
MLF-12
MLF-16
MLF-32
MSOP-10