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UC3843N

UC3843N
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For Reference Only

Part Number UC3843N
OEMstron Part # UC3843N_6B
Manufacturer ON Semiconductor
Category SemiconductorsPower Management ICsVoltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR 8DIP
Lifecycle Obsolete
RoHS No RoHS Information
EDA/CAD Models UC3843N 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

UC3843N Specifications

Part Number UC3843N
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) 97%
Synchronous Rectifier No
Clock Sync No
Serial Interfaces -
Control Features Frequency Control
Operating Temperature 0°C ~ 70°C (TA)
Package / Case 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-DIP

UC3843N Documents

UC3843N, UC3843N Datasheet (Total Pages: 12, Size: 127.58 KB)
UC3845D Datasheet CoverUC3845D Datasheet Page 2UC3845D Datasheet Page 3UC3845D Datasheet Page 4UC3845D Datasheet Page 5UC3845D Datasheet Page 6UC3845D Datasheet Page 7UC3845D Datasheet Page 8UC3845D Datasheet Page 9UC3845D Datasheet Page 10UC3845D Datasheet Page 11UC3845D Datasheet Page 12
Industry Leaders in Quality

Industry Leaders in Quality

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Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number Description Stock

UC3843N

D# V36:1790_07428547

Texas Instruments

Current Mode PWM Controller 200mA 500kHz 8-Pin PDIP Tube

RoHS: Compliant
Americas - 0
Part Number Description Stock

UC3843N

D# UC3843N

Texas Instruments

Current Mode PWM Controller 1A 8-Pin PDIP Tube - Rail/Tube (Alt: UC3843N)

Americas - 45
Part Number Description Stock

UC3843N

Texas Instruments

87
Part Number Description Stock

UC3843NG4

Texas Instruments

CURRENT MODE PWM CONTROLLER, 25V, 8-DIP, Input Voltage:25V, Output Voltage:13.5V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:PDIP, No. of Pins:8, Frequency:450kHz, Packaging:Each , RoHS Compliant: Yes

Contact Us

UC3843N

Fairchild Semiconductor Corporation

N/A

1780
Part Number Description Stock

UC3843N

HuaGuan Semiconductor

DIP-8 Switching Controllers RoHS

1192
Part Number Description Stock

UC3843NG4

D# 2156-UC3843NG4-ND

Rochester Electronics LLC

UC3843 CURRENT-MODE PWM CONTROLL

40 In Stock

UC3843N

D# 2156-UC3843N-FS-ND

Rochester Electronics LLC

SWITCHING CONTROLLER

3498 In Stock
Part Number Description Stock

UC3843N

Texas Instruments

In stock shipping within 2days

5880
Part Number Description Stock

UC3843N

D# 3008566

Texas Instruments

PWM CONTROLLER, 500KHZ, 7.6V-30V, PDIP-8

RoHS: Compliant
Min Qty: 1
Container: Each
48
Part Number Description Stock

UC3843N100798

UNITRODE 99+

OEM/CM QUOTES ONLY | NO BROKERS

11

UC3843N

OEM/CM QUOTES ONLY | NO BROKERS

5950

UC3843NAN

OEM/CM QUOTES ONLY | NO BROKERS

14
Part Number Description Stock

UC3843NG4

Texas Instruments

OEM/CM ONLY

675

UC3843NN

Texas Instruments

OEM/CM ONLY

1067
Part Number Description Stock

UC3843N

D# C434514

Texas Instruments

1192
Part Number Description Stock

UC3843N

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

36530
Part Number Description Stock

UC3843N

D# 595-UC3843N

Texas Instruments

Switching Controllers Current Mode

RoHS: Compliant
165

UC3843NG4

D# 595-UC3843NG4

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant
550
Part Number Description Stock

UC3843N

D# 29AH8390

Texas Instruments

PWM CONTROLLER, 500KHZ, 7.6V-30V, PDIP-8, Input Voltage:25V, Output Voltage:13.5V, Output Current:1A, Supply Voltage Min:7.6V, Supply Voltage Max:30V, Controller IC Case Style:DIP, No. of Pins:8Pins, Frequency:500kHz, Operating RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Bulk
48
Part Number Description Stock

UC3843N

D# NS-UC3843N

Texas Instruments

OEM/CM ONLY

5836

UC3843NG4

D# NS-UC3843NG4

Texas Instruments

OEM/CM ONLY

8686
Part Number Description Stock

UC3843N

Fairchild Semiconductor Corporation

Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, DIP

49
Part Number Description Stock

UC3843N

D# UC3843N

Unitrode Corporation

Inventory R

2
Part Number Description Stock

UC3843N

D# 6615349

Texas Instruments

Texas Instruments UC3843N, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin PDIP, PK

Min Qty: 5
Container: Package
230
Part Number Description Stock

UC3843N

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant
3498

UC3843NG4

Unitrode Corporation

UC3843 Current-Mode PWM Controller

RoHS: Compliant
40
Part Number Description Stock

UC3843N

Fairchild Semiconductor Corporation

OEM/CM ONLY

5291
Part Number Description Stock

UC3843N

Fairchild Semiconductor Corporation

IN stock Immediate delivery

36515
Part Number Description Stock

UC3843N

Texas Instruments

Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C

5,566
Part Number Description Stock

UC3843N

STMicroelectronics

shipping today

79
Part Number Description Stock

UC3843N

Texas Instruments

RFQ

14697
Part Number Description Stock

UC3843N

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8DIP

870
Part Number Description Stock

UC3843N

D# 1564498

ON Semiconductor

RoHS: Compliant
Min Qty: 1
Container: Each
0

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Lead-TimeCan Ship Immediately
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Pricing (USD)

Qty.Unit PriceExt. Price
1$ 1.7762$ 1.7762
100$ 1.7762$ 177.6200
500$ 1.7762$ 888.1000
1000$ 1.7762$ 1,776.2000
2500$ 1.7762$ 4,440.5000

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