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  6. Voltage Regulators & Voltage Controllers
  7. Switching Controllers
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38 products
IMAGE PART NO. PRICE QUANTITY STOCK MANUFACTURE DESCRIPTION Mounting Style Package / Case Minimum Operating Temperature Maximum Operating Temperature Packaging Input Voltage Output Current Output Voltage Switching Frequency Duty Cycle - Max Number of Outputs Topology
NCP5230MNTWG
NCP5230MNTWG
1+
$1.150
10+
$0.980
100+
$0.753
500+
$0.666
3000+
$0.466
RFQ
3,005
In-stock
 onsemi Switching Controllers BUCK CONTROLLER SMD/SMT QFN-16 0 C + 85 C Reel 4.5 V to 13.2 V   0.8 V to 3.3 V 100 kHz to 1000 kHz 95 % 1 Output Buck
UC3845BDR2G
UC3845BDR2G
1+
$1.190
10+
$1.010
100+
$0.775
500+
$0.685
2500+
$0.479
RFQ
4,950
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-14 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
NCP5380MNR2G
NCP5380MNR2G
1+
$1.620
10+
$1.380
100+
$1.100
500+
$0.963
5000+
$0.716
RFQ
2,753
In-stock
 onsemi Switching Controllers IMVP6.5 BUCK CTRL SMD/SMT QFN-32 0 C + 85 C Reel 4.75 V to 5.25 V - 5 uA 0 V to 1.6 V 390 kHz   1 Output  
NCP1581DR2G
NCP1581DR2G
1+
$1.530
10+
$1.310
100+
$1.000
500+
$0.884
2500+
$0.619
RFQ
2,500
In-stock
 onsemi Switching Controllers SYNCHRONOUS PWM BUCK CONV SMD/SMT SOIC-14 0 C + 150 C Reel   100 uA   400 kHz 95 % 1 Output Buck
UC3845BVD1R2G
UC3845BVD1R2G
1+
$0.690
10+
$0.567
100+
$0.366
1000+
$0.293
2500+
$0.247
RFQ
4,997
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-8 0 C + 105 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3842BD1R2G
UC3842BD1R2G
1+
$0.610
10+
$0.499
100+
$0.304
1000+
$0.235
2500+
$0.201
RFQ
3,232
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3842BDR2G
UC3842BDR2G
1+
$0.550
10+
$0.455
100+
$0.277
1000+
$0.214
2500+
$0.183
RFQ
4,903
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max SMD/SMT SOIC-14 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
Default Photo
NCP1579DR2G
1+
$0.570
10+
$0.470
100+
$0.287
1000+
$0.222
2500+
$0.189
RFQ
4,482
In-stock
 onsemi Switching Controllers BUCK CONTROLLER SMD/SMT SOIC-8 Narrow 0 C + 70 C Reel   1000 mA   317 kHz 80 % 1 Output Buck
MC34060ADR2G
MC34060ADR2G
1+
$1.180
10+
$1.010
100+
$0.769
500+
$0.680
2500+
$0.476
RFQ
1,677
In-stock
 onsemi Switching Controllers High Performance Voltage Mode PWM SMD/SMT SOIC-14 0 C + 70 C Reel   200 mA 30 V 200 kHz 96 % 1 Output Flyback
UC3845BD1R2G
UC3845BD1R2G
1+
$0.610
10+
$0.499
100+
$0.304
1000+
$0.235
2500+
$0.201
RFQ
3,463
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3843BD1R2G
UC3843BD1R2G
1+
$0.610
10+
$0.499
100+
$0.304
1000+
$0.235
2500+
$0.201
RFQ
4,869
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3842BNG
UC3842BNG
1+
$0.640
10+
$0.526
100+
$0.321
1000+
$0.248
RFQ
3,346
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max Through Hole PDIP-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3843BNG
UC3843BNG
1+
$0.640
10+
$0.526
100+
$0.321
1000+
$0.248
RFQ
123,100
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max Through Hole PDIP-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3843BD1G
UC3843BD1G
1+
$0.560
10+
$0.457
100+
$0.279
1000+
$0.216
RFQ
3,737
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3844BD1R2G
UC3844BD1R2G
1+
$0.610
10+
$0.499
100+
$0.304
1000+
$0.235
2500+
$0.201
RFQ
2,082
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3845BD1G
UC3845BD1G
1+
$0.540
10+
$0.446
100+
$0.272
1000+
$0.210
RFQ
2,153
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3845BDG
UC3845BDG
1+
$0.650
10+
$0.537
100+
$0.328
1000+
$0.253
RFQ
2,155
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-14 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3844BDG
UC3844BDG
1+
$0.630
10+
$0.519
100+
$0.335
1000+
$0.268
RFQ
971
In-stock
 onsemi Switching Controllers ANA SMPS PWM CNTRL SMD/SMT SOIC-14 0 C + 70 C Tube   1000 mA   500 kHz 48 % 1 Output Boost, Flyback
UC3844BNG
UC3844BNG
GET PRICE
RFQ
81,400
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max Through Hole PDIP-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3845BVD1G
UC3845BVD1G
1+
$0.810
10+
$0.673
100+
$0.434
1000+
$0.347
RFQ
1,305
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3842BD1G
UC3842BD1G
1+
$0.600
10+
$0.493
100+
$0.318
1000+
$0.255
RFQ
2,000
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3844BD1G
UC3844BD1G
1+
$0.620
10+
$0.512
100+
$0.330
1000+
$0.264
RFQ
1,987
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3843BDR2G
UC3843BDR2G
1+
$0.610
10+
$0.499
100+
$0.304
1000+
$0.235
2500+
$0.201
RFQ
2,060
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max SMD/SMT SOIC-14 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3843BDG
UC3843BDG
1+
$0.640
10+
$0.528
100+
$0.341
1000+
$0.273
RFQ
1,473
In-stock
 onsemi Switching Controllers ANA SMPS PWM CNTRL SMD/SMT SOIC-14 0 C + 70 C Tube   1000 mA   500 kHz 96 % 1 Output Boost, Flyback, Forward
UC3844BDR2G
UC3844BDR2G
1+
$0.610
10+
$0.499
100+
$0.304
1000+
$0.235
2500+
$0.201
RFQ
1,267
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-14 0 C + 70 C Reel   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
MC34023PG
MC34023PG
1+
$2.770
10+
$2.350
100+
$1.880
500+
$1.650
RFQ
141
In-stock
 onsemi Switching Controllers Single Ended Voltage or Current Mode PWM Through Hole PDIP-16 0 C + 70 C Tube   500 mA 5.05 V to 5.15 V 1000 kHz 90 % 1 Output Flyback, Forward
UC3845BVDG
UC3845BVDG
1+
$0.840
10+
$0.692
100+
$0.446
1000+
$0.357
RFQ
1,509
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max SMD/SMT SOIC-14 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
UC3844BVNG
UC3844BVNG
1+
$0.820
10+
$0.680
100+
$0.439
1000+
$0.351
RFQ
747
In-stock
 onsemi Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max Through Hole PDIP-8 0 C + 70 C Tube   1000 mA 4.9 V to 5.1 V 500 kHz 48 % 1 Output Boost, Flyback
Default Photo
NCP1217AP100G
1+
$1.270
10+
$1.080
100+
$0.828
500+
$0.732
RFQ
886
In-stock
 onsemi Switching Controllers Current Mode PWM w/50% Duty Cycle Max Through Hole PDIP-7 0 C + 125 C Tube   500 mA   100 kHz 50 % 1 Output  
Default Photo
NCP1217AP65G
1+
$1.150
10+
$0.980
100+
$0.753
500+
$0.666
RFQ
680
In-stock
 onsemi Switching Controllers Current Mode PWM w/50% Duty Cycle Max Through Hole PDIP-7 0 C + 125 C Tube   500 mA   65 kHz 50 % 1 Output  
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