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UC3843BVD

UC3843BVD
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For Reference Only

Part Number UC3843BVD
OEMstron Part # UC3843BVD
Manufacturer ON Semiconductor
Category SemiconductorsPower Management ICsVoltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR FLYBACK 14SOIC
Lifecycle Obsolete
RoHS No RoHS Information
EDA/CAD Models UC3843BVD PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Apr 30 - May 5 (Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*
Payment Wire Transfer, UnionPay, PayPal, Credit Card, Visa, MasterCard, AmericanExpress, Discover, WesternUnion, MoneyGram
Shipping DHL, UPS, FedEx, TNT, EMS, & More Express Delivery

UC3843BVD Specifications

Part Number UC3843BVD
Brand ON Semiconductor
Lifecycle Obsolete
RoHS No RoHS Information
Product Line Semiconductors
Category Power Management ICs
Subcategory Voltage Regulators - DC DC Switching Controllers
Manufacturer ON Semiconductor
Series -
Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive
Topology Boost, Flyback
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V
Frequency - Switching Up to 500kHz
Duty Cycle (Max) 96%
Synchronous Rectifier No
Clock Sync No
Serial Interfaces -
Control Features Frequency Control
Operating Temperature -40°C ~ 105°C (TA)
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC

UC3843BVD Documents

UC3843BVD, UC3843BVD Datasheet (Total Pages: 21, Size: 402.2 KB)
UC3843BVD1 Datasheet CoverUC3843BVD1 Datasheet Page 2UC3843BVD1 Datasheet Page 3UC3843BVD1 Datasheet Page 4UC3843BVD1 Datasheet Page 5UC3843BVD1 Datasheet Page 6UC3843BVD1 Datasheet Page 7UC3843BVD1 Datasheet Page 8UC3843BVD1 Datasheet Page 9UC3843BVD1 Datasheet Page 10UC3843BVD1 Datasheet Page 11UC3843BVD1 Datasheet Page 12UC3843BVD1 Datasheet Page 13UC3843BVD1 Datasheet Page 14
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Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number Description Stock

UC3843BVDR2G

D# V36:1790_07278920

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N T/R

RoHS: Compliant
Americas - 0

UC3843BVD1G

D# V79:2366_24951615

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Tube

RoHS: Compliant
Americas - 0

UC3843BVDG

D# V99:2348_07289724

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube

RoHS: Compliant
Americas - 144

UC3843BVD1R2G

D# V72:2272_07291510

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

RoHS: Compliant
Americas - 0
Part Number Description Stock

UC3843BVDR2G

D# 42AC1857

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC T/R - Product that comes on tape, but is not reeled (Alt: 42AC1857)

RoHS: Compliant
Americas - 957

UC3843BVD

D# UC3843BVD

ON Semiconductor

CURRENT MODE PWM CNTRLR 1A 14SOIC - Bulk (Alt: UC3843BVD)

RoHS: Not Compliant
Americas - 1218

UC3843BVD1G

D# UC3843BVD1G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N Rail - Rail/Tube (Alt: UC3843BVD1G)

Americas - 4116

UC3843BVDG

D# UC3843BVDG

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC Rail - Rail/Tube (Alt: UC3843BVDG)

Americas - 24090

UC3843BVD1R2G

D# UC3843BVD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Bulk (Alt: UC3843BVD1R2G)

RoHS: Compliant
Americas - 2850
Part Number Description Stock

UC3843BVDR2G

D# UC3843BVDR2G

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BVDR2G)

Asia - 0

UC3843BVD1R2G

D# UC3843BVD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BVD1R2G)

RoHS: Compliant
Asia - 0
Part Number Description Stock

UC3843BVDR2G

D# UC3843BVDR2G

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BVDR2G)

Europe - 0

UC3843BVD1G

D# UC3843BVD1G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N Rail (Alt: UC3843BVD1G)

Europe - 784

UC3843BVDG

D# UC3843BVDG

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC Rail (Alt: UC3843BVDG)

Europe - 825

UC3843BVD1R2G

D# UC3843BVD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BVD1R2G)

Europe - 7500
Part Number Description Stock

UC3843BVDR2G

ON Semiconductor

2353
Part Number Description Stock

UC3843BVD1R2

ON Semiconductor

- Tape and Reel

15000

UC3843BVDR2G

ON Semiconductor

UC2843 Series 30 V 30 mA 500 kHz Current Mode Controller - SOIC-14

5000

UC3843BVD

ON Semiconductor

- Tape and Reel

15000

UC3843BVD1G

ON Semiconductor

IC REG CTRLR BST FLYBK ISO 8SOIC

342

UC3843BVDR2

ON Semiconductor

UC2843 Series 30 V 30 mA 500 kHz Current Mode Controller - SOIC-14

5000

UC3843BVDG

ON Semiconductor

CURRENT MODE PWM CONTROLLER, 25V, SOIC-14, Input Voltage:-, Output Voltage:13.4V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:14, Frequency:500kHz, Packaging:Each , RoHS Compliant: Yes

Contact Us

UC3843BVD1

ON Semiconductor

- Tape and Reel

15000

UC3843BVD1R2G

ON Semiconductor

- Tape and Reel

7500
Part Number Description Stock

UC3843BVDR2G

ON Semiconductor

30V SOIC-14_150mil DC-DC Converters RoHS

3747

UC3843BVD1R2G

ON Semiconductor

30V 1A SOIC-8_150mil DC-DC Converters RoHS

5
Part Number Description Stock

UC3843BVD1R2

D# UC3843BVD1R2OSTR-ND

ON Semiconductor

IC REG CTRLR FLYBACK 8SOIC

Limited Supply - Call

UC3843BVDR2G

D# UC3843BVDR2GOSCT-ND

ON Semiconductor

IC REG CTRLR FLYBACK 14SOIC

303 In Stock

UC3843BVD

D# 2156-UC3843BVD-ON-ND

Rochester Electronics LLC

SWITCHING CONTROLLER

1218 In Stock

UC3843BVD1G

D# UC3843BVD1GOS-ND

ON Semiconductor

IC REG CTRLR FLYBACK 8SOIC

249 In Stock

UC3843BVDR2

D# UC3843BVDR2OSTR-ND

ON Semiconductor

IC REG CTRLR FLYBACK 14SOIC

Limited Supply - Call

UC3843BVDG

D# UC3843BVDGOS-ND

ON Semiconductor

IC REG CTRLR FLYBACK 14SOIC

685 In Stock

UC3843BVD1

D# UC3843BVD1-ND

ON Semiconductor

IC REG CTRLR FLYBACK 8SOIC

Limited Supply - Call

UC3843BVD1R2G

D# UC3843BVD1R2GOSCT-ND

ON Semiconductor

IC REG CTRLR FLYBACK 8SOIC

449 In Stock
Part Number Description Stock

UC3843BVDR2

ON Semiconductor

In stock shipping within 2days

2439

UC3843BVD1R2G

ON Semiconductor

In stock shipping within 2days

2500
Part Number Description Stock

UC3843BVDR2G

D# 2808768

ON Semiconductor

PWM CONTROLLER, 52KHZ, 30V, SOIC-14

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
957

UC3843BVD1G

D# 1706022

ON Semiconductor

IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC

RoHS: Compliant
Min Qty: 686
Container: Each
0

UC3843BVDG

D# 3612996

ON Semiconductor

PWM CTRL, 500KHZ, -40 TO 105DEG C

RoHS: Compliant
Min Qty: 660
Container: Tube
0

UC3843BVD1R2G

D# 2112630

ON Semiconductor

CONTROLLER, CURRENT MODE, 500KHZ, 8SOIC

RoHS: Compliant
Min Qty: 5
Container: Cut Tape
954
Part Number Description Stock

UC3843BVD1R2

NEW AND ORGINAL. ISRAEL W.HOUSE

40000

UC3843BVD1G

NEW AND ORGINAL. ISRAEL W.HOUSE

40000

UC3843BVD1

NEW AND ORGINAL. ISRAEL W.HOUSE

40000

UC3843BVD1R2G

NEW AND ORGINAL. ISRAEL W.HOUSE

40000
Part Number Description Stock

UC3843BVD1G

ON Semiconductor

UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8

RoHS: Compliant
pbFree: Yes
0 Tube

UC3843BVD1R2G

ON Semiconductor

UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8

RoHS: Compliant
pbFree: Yes
0 Cut Type/Mini-Reel
Part Number Description Stock

UC3843BVD1R2

ON SEMICONDUCTOR

OEM/CM QUOTES ONLY | NO BROKERS

486

UC3843BVDR2G

ON SEMICONDUCTOR

OEM/CM QUOTES ONLY | NO BROKERS

5950

UC3843BVD

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

2892

UC3843BVD1G

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

2099

UC3843BVDR2

MOTOROLA 9909

OEM/CM QUOTES ONLY | NO BROKERS

2618

UC3843BVDG

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

982

UC3843BVD1

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

99

UC3843BVD1R2G

ON SEMICONDUCTOR

OEM/CM QUOTES ONLY | NO BROKERS

8925
Part Number Description Stock

UC3843BVDR2G

D# C231833

ON Semiconductor

3747

UC3843BVD1R2G

D# C231572

ON Semiconductor

5
Part Number Description Stock

UC3843BVDR2G

ON Semiconductor

OEM/CM Immediate delivery

7500

UC3843BVD

ON Semiconductor

OEM/CM Immediate delivery

10000

UC3843BVDR2

ON Semiconductor

OEM/CM Immediate delivery

2500

UC3843BVD1R2G

ON Semiconductor

OEM/CM Immediate delivery

2769
Part Number Description Stock

UC3843BVDR2G

D# 863-UC3843BVDR2G

ON Semiconductor

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max

RoHS: Compliant
410

UC3843BVD1G

D# 863-UC3843BVD1G

ON Semiconductor

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max

RoHS: Compliant
1165

UC3843BVDG

D# 863-UC3843BVDG

ON Semiconductor

Switching Controllers ANA SMPS PWM CNTRLLR

RoHS: Compliant
691

UC3843BVD1R2G

D# 863-UC3843BVD1R2G

ON Semiconductor

Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max

RoHS: Compliant
1917
Part Number Description Stock

UC3843BVDR2G

D# XSFP00000067879

ON SEMICONDUCTOR

UC2843 Series 30 V 30 mA 500 kHz Current Mode Controller - SOIC-14

1296

UC3843BVD1G

D# XSKDRABS0043645

ON SEMICONDUCTOR

ANA SMPS PWM CONTROLLER

588

UC3843BVDG

D# XSKDRABS0043646

ON SEMICONDUCTOR

ANA SMPS PWM CONTROLLER

660

UC3843BVD1R2G

D# XSKDRABS0029304

ON SEMICONDUCTOR

ANA SMPS PWM CONTROLLER

5000
Part Number Description Stock

UC3843BVDR2G

D# 75C8022

ON Semiconductor

IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,SOP,14PIN,PLASTIC ROHS COMPLIANT: YES

RoHS: Compliant
Min Qty: 2500
Container: TAPE & REEL - FULL
0

UC3843BVDG.

D# 15AC5105

ON Semiconductor

Input Voltage:-, Output Voltage:13.4V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:14Pins, Frequency:500kHz, Operating Temperature Min:-40°C, Product Range:-, MSL:-RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1265
Container: Bulk
0

UC3843BVD1G

D# 71J8473

ON Semiconductor

CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:-, Output Voltage:13.4V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:52kHz, Product Range:-RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 588
Container: Bulk
0

UC3843BVD1R2G

D# 38AH3121

ON Semiconductor

ANA SMPS PWM CONTROLLER ROHS COMPLIANT: YES

RoHS: Compliant
Min Qty: 2500
Container: TAPE & REEL - FULL
0
Part Number Description Stock

UC3843BVD1R2

D# NS-UC3843BVD1R2

ON Semiconductor

OEM/CM ONLY

5622

UC3843BVDR2G

D# NS-UC3843BVDR2G

ON Semiconductor

OEM/CM ONLY

7729

UC3843BVD

D# NS-UC3843BVD

ON Semiconductor

OEM/CM ONLY

6154

UC3843BVD1G

D# NS-UC3843BVD1G

ON Semiconductor

OEM/CM ONLY

4458

UC3843BVDR2

D# NS-UC3843BVDR2

ON Semiconductor

OEM/CM ONLY

9145

UC3843BVD1

D# NS-UC3843BVD1

ON Semiconductor

OEM/CM ONLY

8886

UC3843BVD1R2G

D# NS-UC3843BVD1R2G

ON Semiconductor

OEM/CM ONLY

3290
Part Number Description Stock

UC3843BVD

On Chip Systems

Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP

25
Part Number Description Stock

UC3843BVD

D# UC3843BVD

ON Semiconductor

Semiconductor

2430
Part Number Description Stock

UC3843BVD1G

D# 1841128

ON Semiconductor

ON Semiconductor UC3843BVD1G, PWM Current Mode Controller, 1 A, 500 kHz, 36 V, 8-Pin SOIC, TU

Min Qty: 98
Container: Tube
384

UC3843BVDG

D# 8056749

ON Semiconductor

ON Semiconductor UC3843BVDG, PWM Current Mode Controller, 1 A, 275 kHz, 30 V, 14-Pin SOIC, PK

Min Qty: 25
Container: Package
15
Part Number Description Stock

UC3843BVD

ON Semiconductor

UC3843 Current-Mode PWM Controller

RoHS: Not Compliant
1218

UC3843BVD1R2G

ON Semiconductor

UC3843 Current-Mode PWM Controller

RoHS: Compliant
2850
Part Number Description Stock

UC3843BVD1R2

ON Semiconductor

OEM/CM ONLY

424

UC3843BVDR2G

ON Semiconductor

OEM/CM ONLY

2369

UC3843BVD

Motorola Semiconductor Products

OEM/CM ONLY

3430

UC3843BVD1G

ON Semiconductor

OEM/CM ONLY

1192

UC3843BVDR2

ON Semiconductor

OEM/CM ONLY

2216

UC3843BVDG

ON Semiconductor

OEM/CM ONLY

920

UC3843BVD1

ON Semiconductor

OEM/CM ONLY

99

UC3843BVD1R2G

ON Semiconductor

OEM/CM ONLY

6497
Part Number Description Stock

UC3843BVDR2G

ON Semiconductor

IN stock Immediate delivery

7515

UC3843BVD

ON Semiconductor

IN stock Immediate delivery

10015

UC3843BVDR2

ON Semiconductor

IN stock Immediate delivery

2515

UC3843BVD1R2G

ON Semiconductor

IN stock Immediate delivery

2784
Part Number Description Stock

UC3843BVDR2

ON Semiconductor

shipping today

135

UC3843BVD1R2G

ON Semiconductor

shipping today

15986
Part Number Description Stock

UC3843BVD1G

D# 25632686

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Tube

RoHS: Compliant
Americas - 3136

UC3843BVDG

D# 26621369

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube

RoHS: Compliant
Americas - 24090
Part Number Description Stock

UC3843BVD1R2

STMicroelectronics

RFQ

9205

UC3843BVD

Freescale Semiconductor

RFQ

10453

UC3843BVD1G

ON Semiconductor

RFQ

6089

UC3843BVDG

ON Semiconductor

RFQ

9430
Part Number Description Stock

UC3843BVD1R2G

ON Semiconductor

IC REG CTRLR FLYBACK 8SOIC

117773
Part Number Description Stock

UC3843BVDR2G

D# 2808768

ON Semiconductor

PWM CONTROLLER, 52KHZ, 30V, SOIC-14

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
957

UC3843BVD1G

D# 1706022

ON Semiconductor

IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC

RoHS: Compliant
Min Qty: 1
Container: Each
0

UC3843BVDG

D# 1364970

ON Semiconductor

IC, CURRENT MODE PWM CTRL, 25V, SOIC-14

RoHS: Compliant
Min Qty: 1
Container: Each
0

UC3843BVD1R2G

D# 2112630

ON Semiconductor

CONTROLLER, CURRENT MODE, 500KHZ, 8SOIC

RoHS: Compliant
Min Qty: 1
Container: Cut Tape
954

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Quick Inquiry

In Stock129 - More on Order
Quote LimitNo Limit
Lead-TimeCan Ship Immediately
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Pricing (USD)

Qty.Unit PriceExt. Price
1$ 0.2905$ 0.2905
100$ 0.2905$ 29.0500
500$ 0.2905$ 145.2500
1000$ 0.2905$ 290.5000
2500$ 0.2905$ 726.2500

OEMstron will offer the most competitive prices for you, please refer to the quotations.

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ISO9001:2015 & ISO14001:2015