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Switching Controllers

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Part #

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843AD

UC3843ADG4
Texas Instruments
1: 1,48 €
106In Stock

Mfr. Part No.
UC3843ADG4

Mouser Part No
595-UC3843ADG4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843AD

Datasheet

Product Comments

106In Stock

1,48 €

1,09 €

0,92 €

0,877 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

SMD/SMT

SOIC-14

Tube

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3843AD

UC3843ADTR
Texas Instruments
1: 0,851 €
2 706In Stock

Mfr. Part No.
UC3843ADTR

Mouser Part No
595-UC3843ADTR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3843AD

Datasheet

2 706In Stock

Cut Tape

0,851 €

0,61 €

0,55 €

0,484 €

Reel

0,396 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

SMD/SMT

SOIC-14

Reel, Cut Tape, MouseReel

Switching Controllers Current Mode

UC3843AN
Texas Instruments
1: 1,54 €
1 224In Stock

Mfr. Part No.
UC3843AN

Mouser Part No
595-UC3843AN

Texas Instruments

Switching Controllers Current Mode

Datasheet

1 224In Stock

1,54 €

1,14 €

0,963 €

0,903 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843AN

UC3843ANG4
Texas Instruments
1: 1,55 €
371In Stock

Mfr. Part No.
UC3843ANG4

Mouser Part No
595-UC3843ANG4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843AN

Datasheet

Product Comments

371In Stock

1,55 €

1,17 €

0,989 €

0,912 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current Mode A 595-U C3843D8TR A 595-UC3 A 595-UC3843D8TR

UC3843D8
Texas Instruments
1: 1,66 €
107In Stock
1 125Expected 11/09/2026

Mfr. Part No.
UC3843D8

Mouser Part No
595-UC3843D8

Texas Instruments

Switching Controllers Current Mode A 595-U C3843D8TR A 595-UC3 A 595-UC3843D8TR

Datasheet

107In Stock

1 125Expected 11/09/2026

1,66 €

1,23 €

1,01 €

0,946 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

SMD/SMT

SOIC-8

Tube

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3843D8

UC3843D8TR
Texas Instruments
1: 0,869 €
1 869In Stock
2 500Expected 16/11/2026

Mfr. Part No.
UC3843D8TR

Mouser Part No
595-UC3843D8TR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3843D8

Datasheet

1 869In Stock

2 500Expected 16/11/2026

Cut Tape

0,869 €

0,605 €

0,544 €

0,475 €

Reel

0,388 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843D

UC3843DG4
Texas Instruments
1: 1,44 €
198In Stock

Mfr. Part No.
UC3843DG4

Mouser Part No
595-UC3843DG4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843D

Datasheet

Product Comments

198In Stock

1,44 €

1,08 €

0,912 €

0,841 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

SMD/SMT

SOIC-14

Tube

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3843D

UC3843DTR
Texas Instruments
1: 0,903 €
963In Stock

Mfr. Part No.
UC3843DTR

Mouser Part No
595-UC3843DTR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3843D

Datasheet

963In Stock

Cut Tape

0,903 €

0,649 €

0,586 €

0,516 €

Reel

0,383 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

SMD/SMT

SOIC-14

Reel, Cut Tape, MouseReel

Switching Controllers Current Mode

UC3843N
Texas Instruments
1: 1,89 €
464In Stock

Mfr. Part No.
UC3843N

Mouser Part No
595-UC3843N

Texas Instruments

Switching Controllers Current Mode

Datasheet

464In Stock

1,89 €

1,39 €

1,26 €

1,13 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843N

UC3843NG4
Texas Instruments
1: 1,90 €
497In Stock

Mfr. Part No.
UC3843NG4

Mouser Part No
595-UC3843NG4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843N

Datasheet

Product Comments

497In Stock

1,90 €

1,44 €

1,22 €

1,13 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

100 %

5 V

200 mA

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current Mode A 595-U C3844AD8TR A 595-UC A 595-UC3844AD8TR

UC3844AD8
Texas Instruments
1: 1,38 €
463In Stock

Mfr. Part No.
UC3844AD8

Mouser Part No
595-UC3844AD8

Texas Instruments

Switching Controllers Current Mode A 595-U C3844AD8TR A 595-UC A 595-UC3844AD8TR

Datasheet

463In Stock

1,38 €

1,04 €

0,912 €

0,86 €

View

Min.: 1
Mult.: 1

Boost, Buck, Buck-Boost, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-8

Tube

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3844AD8

UC3844AD8G4
Texas Instruments
1: 1,26 €
298In Stock

Mfr. Part No.
UC3844AD8G4

Mouser Part No
595-UC3844AD8G4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3844AD8

Datasheet

Product Comments

298In Stock

1,26 €

0,92 €

0,834 €

0,739 €

View

Min.: 1
Mult.: 1

Boost, Buck, Buck-Boost, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-8

Tube

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3844AD8

UC3844AD8TR
Texas Instruments
1: 0,834 €
3 036In Stock

Mfr. Part No.
UC3844AD8TR

Mouser Part No
595-UC3844AD8TR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3844AD8

Datasheet

3 036In Stock

Cut Tape

0,834 €

0,598 €

0,539 €

0,475 €

Reel

0,393 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Buck-Boost, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3844AD

UC3844ADTR
Texas Instruments
1: 0,843 €
2 917In Stock

Mfr. Part No.
UC3844ADTR

Mouser Part No
595-UC3844ADTR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3844AD

Datasheet

2 917In Stock

Cut Tape

0,843 €

0,60 €

0,541 €

0,476 €

Reel

0,393 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Buck-Boost, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-14

Reel, Cut Tape, MouseReel

Switching Controllers Current Mode

UC3844AN
Texas Instruments
1: 1,64 €
834In Stock

Mfr. Part No.
UC3844AN

Mouser Part No
595-UC3844AN

Texas Instruments

Switching Controllers Current Mode

Datasheet

834In Stock

1,64 €

1,21 €

1,02 €

0,972 €

View

Min.: 1
Mult.: 1

Boost, Buck, Buck-Boost, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current Mode A 595-U C3844D8TR A 595-UC3 A 595-UC3844D8TR

UC3844D8
Texas Instruments
1: 1,69 €
183In Stock

Mfr. Part No.
UC3844D8

Mouser Part No
595-UC3844D8

Texas Instruments

Switching Controllers Current Mode A 595-U C3844D8TR A 595-UC3 A 595-UC3844D8TR

Datasheet

183In Stock

1,69 €

1,24 €

1,02 €

0,998 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-8

Tube

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3844D8

UC3844D8TR
Texas Instruments
1: 0,851 €
202In Stock

Mfr. Part No.
UC3844D8TR

Mouser Part No
595-UC3844D8TR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3844D8

Datasheet

202In Stock

Cut Tape

0,851 €

0,602 €

0,543 €

0,475 €

Reel

0,335 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers Current-Mode PWM Con troller A 595-U3844 A 595-U3844D

UC3844DTR
Texas Instruments
1: 0,869 €
1 485In Stock
2 500Expected 31/08/2026

Mfr. Part No.
UC3844DTR

Mouser Part No
595-UC3844DTR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-U3844 A 595-U3844D

Datasheet

1 485In Stock

2 500Expected 31/08/2026

Cut Tape

0,869 €

0,605 €

0,544 €

0,475 €

Reel

0,335 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-14

Reel, Cut Tape, MouseReel

Switching Controllers Current Mode

UC3844N
Texas Instruments
1: 1,87 €
768In Stock

Mfr. Part No.
UC3844N

Mouser Part No
595-UC3844N

Texas Instruments

Switching Controllers Current Mode

Datasheet

768In Stock

1,87 €

1,38 €

1,19 €

1,13 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3844N

UC3844NG4
Texas Instruments
1: 1,70 €
326In Stock

Mfr. Part No.
UC3844NG4

Mouser Part No
595-UC3844NG4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3844N

Datasheet

Product Comments

326In Stock

1,70 €

1,28 €

1,08 €

1,01 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3845AD8TR

UC3845AD8TRG4
Texas Instruments
1: 0,843 €
925In Stock

Mfr. Part No.
UC3845AD8TRG4

Mouser Part No
595-UC3845AD8TRG4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3845AD8TR

Datasheet

Product Comments

925In Stock

Cut Tape

0,843 €

0,60 €

0,541 €

0,476 €

Reel

0,372 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Flyback, Forward

1 Output

450 kHz

50 %

4.9 V to 5.1 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers Current Mode

UC3845AN
Texas Instruments
1: 1,54 €
530In Stock
1 000Expected 30/10/2026

Mfr. Part No.
UC3845AN

Mouser Part No
595-UC3845AN

Texas Instruments

Switching Controllers Current Mode

Datasheet

530In Stock

1 000Expected 30/10/2026

1,54 €

1,13 €

0,998 €

0,912 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3845AN

UC3845ANG4
Texas Instruments
1: 1,38 €
634In Stock

Mfr. Part No.
UC3845ANG4

Mouser Part No
595-UC3845ANG4

Texas Instruments

Switching Controllers Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3845AN

Datasheet

Product Comments

634In Stock

1,38 €

1,04 €

0,877 €

0,808 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

Through Hole

PDIP-8

Tube

Switching Controllers Current Mode

UC3845D
Texas Instruments
1: 1,66 €
258In Stock

Mfr. Part No.
UC3845D

Mouser Part No
595-UC3845D

Texas Instruments

Switching Controllers Current Mode

Datasheet

258In Stock

1,66 €

1,23 €

1,04 €

0,989 €

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-14

Tube

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3845D8

UC3845D8TR
Texas Instruments
1: 0,74 €
2 996In Stock

Mfr. Part No.
UC3845D8TR

Mouser Part No
595-UC3845D8TR

Texas Instruments

Switching Controllers Current-Mode PWM Con troller A 595-UC384 A 595-UC3845D8

Datasheet

2 996In Stock

Cut Tape

0,74 €

0,526 €

0,472 €

0,413 €

Reel

0,337 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 500

Boost, Buck, Flyback, Forward

1 Output

500 kHz

50 %

5 V

1 A

0 C

+ 70 C

SMD/SMT

SOIC-8

Reel, Cut Tape, MouseReel

Switching Controllers

Customer Service Office

Company

Resources

Support

Boost
Boost, Buck
Boost, Buck, Buck-Boost, Flyback, Forward
Boost, Buck, Buck-Boost, Flyback, SEPIC
Boost, Buck, Flyback
Boost, Buck, Flyback, Forward
Boost, Buck, Flyback, Forward, Full Bridge, Half Bridge, Push-Pull
Boost, Buck, Flyback, Forward, Push-Pull
Boost, Buck, Flyback, Forward, SEPIC
Boost, Buck, Flyback, SEPIC
Boost, Cuk, Flyback, SEPIC
Boost, Flyback
Boost, Flyback, Forward
Boost, Flyback, Forward, Full Bridge, Half Bridge, Push-Pull
Boost, Flyback, Forward, Half Bridge, Push-Pull
Boost, Flyback, SEPIC
Buck
Buck, Flyback
Buck, Flyback, Forward
Buck, Full Bridge, Push-Pull

100 Hz to 300 kHz
130 Hz to 722 kHz
170 Hz to 100 kHz
650 Hz to 80 kHz
680 Hz to 80 kHz
10 kHz to 200 kHz
11 kHz to 350 kHz
25 kHz to 500 kHz
31.25 kHz to 2 MHz
35 kHz to 1 MHz
35 kHz to 500 kHz
40 kHz to 1 MHz
42.5 kHz
50 kHz to 1 MHz
50 kHz to 2 MHz
50 kHz to 400 kHz
50 kHz to 500 kHz
50 kHz to 750 kHz
60 kHz
65 kHz

1 %
10 %
33 %
35 %
45 %
49 %
49.6 %
50 %
51 %
60 %
67.3 %
69 %
70 %
72 %
73 %
74 %
75 %
76 %
78 %
80 %

2.9 V to 78 V
2.9 V to 80 V
3 V to 5.5 V
3 V to 73 V
3.5 V to 36 V
3.5 V to 40 V
3.5 V to 42 V
3.5 V to 5.5 V
3.5 V to 55 V
3.5 V to 78 V
3.5 V to 80 V
3.5 V to 95 V
4 V to 42 V
4 V to 80 V
4.5 V to 100 V
4.5 V to 14 V
4.5 V to 18 V
4.5 V to 36 V
4.5 V to 42 V
4.5 V to 65 V

0 V to 30 V
- 500 mV to 22.5 V
- 300 mV to 1.8 V
- 300 mV to 12 V
- 300 mV to 30 V
- 300 mV to 6 V
- 300 mV to 7 V
- 100 mV to 28 V
15 mV
25 mV
40 mV to 100 V
40 mV to 42 V
100 mV to 100 V
100 mV to 6 V
250 mV to 1.52 V
250 mV to 2.8125 V
250 mV to 5 V
250 mV to 5.5 V
270 mV
300 mV

25 uA
200 uA
1 mA
2 mA
6 mA
8 mA
9 mA
10 mA
11 mA
13 mA
20 mA
21 mA
25 mA
30 mA
35 mA
37 mA
40 mA
50 mA
60 mA
70 mA

CDIP-16
CFP-10
CFP-8
CPAK-20
DFN-10
DFN-8
DIP-14
DIP-8
Die
HTQFP-48
HTSSOP-14
HTSSOP-16
HTSSOP-20
HTSSOP-24
HTSSOP-28
HTSSOP-38
HVSSOP-10
LLP-16
LLP-24
LLP-28