UC3843BD1

Mfr. #:: UC3843BD1
Manufacturer:: STMicroelectronics
Description:: Switching Controllers 0.5mA Current Mode
Lifecycle:: New from this manufacturer.
Datasheet:: UC3843BD1 Datasheet
Delivery:: DHL FedEx Ups TNT EMS
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More Information:: UC3843BD1 more Information UC3843BD1 Product Details

Product Attribute
Attribute Value

Manufacturer:: STMicroelectronics

Product Category:: Switching Controllers

RoHS:: Y

Topology:: Boost, Flyback, Forward

Number of Outputs:: 1 Output

Switching Frequency:: 500 kHz

Duty Cycle - Max:: 100 %

Output Voltage:: 4.90 V to 5.10 V

Output Current:: 1000 mA

Minimum Operating Temperature:: - 40 C

Maximum Operating Temperature:: + 150 C

Mounting Style:: SMD/SMT

Package / Case:: SO-8

Packaging:: Tube

Series:: UC3843B

Type:: Current Mode PWM Controllers

Brand:: STMicroelectronics

Fall Time:: 50 ns

Operating Supply Voltage:: 30 V

Product Type:: Switching Controllers

Rise Time:: 50 ns

Factory Pack Quantity:: 2000

Subcategory:: PMIC - Power Management ICs

Unit Weight:: 0.017870 oz

Tags: UC3843BD1, UC3843BD, UC3843B, UC3843, UC384, UC38, UC3

Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Our experienced sales team and tech support team back our services to satisfy all our customers.

we buy and manage excess electronic components, including excess inventory identified for disposal.
Email us if you have excess stock to sell.

Email: info@omo-ic.com

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

UC3843BD1 Ratings and Reviews

O***r

I arrived in about a month. Power filed-works, in the working scheme has not yet checked. I think it will work. There are current and voltage adjustments.

2019-06-25

A***k

All ok. Thank you.

2019-08-17

UC3843BD1 Description

***ser: PWM Pulse Width Modulator Controllers 0.5mA Current Mode

***ical: Current Mode PWM Controller 1A 500kHz 8-Pin SO N Tube

*** Source Electronics: IC REG CTRLR BOOST/FLYBACK 8SO

***p One Stop Global: Current Mode PWM Controller 1A 8-Pin SO N

***ure Electronics: Current Mode PWM

***ronik: SMPS SO-8 SMD

***ark: Pwm Controller, 500Khz, 15V, Soic-8; Input Voltage:-; Output Voltage:-; Output Current:1A; Supply Voltage Min:11V; Supply Voltage Max:30V; Controller Ic Case Style:soic; No. Of Pins:8Pins; Frequency:500Khz; Product Range:-; Msl:- Rohs Compliant: Yes

***ment14 APAC: Prices include import duty and tax. PWM CONTROLLER, 500KHZ, 15V, SOIC-8; Input Voltage:-; Output Voltage:-; Output Current:1A; Supply Voltage Min:11V; Supply Voltage Max:30V; Controller IC Case Style:SOIC; No. of Pins:8Pins; Frequency:500kHz; Operating Temperature Min:0°C; Operating Temperature Max:70°C; Product Range:-; Automotive Qualification Standard:-; RoHS Phthalates Compliant:Yes; MSL:-; SVHC:No SVHC (07-Jul-2017)

***nell: CONTROLLORE PWM, 500KHZ, 15V, SOIC-8; Tensione di Ingresso:-; Tensione di Uscita:-; Corrente di Uscita:1A; Tensione di Alimentazione Min:11V; Tensione di Alimentazione Max:30V; Formato IC Controller:SOIC; No. di Pin:8Pin; Frequenza:500kHz; Temperatura di Esercizio Min:0°C; Temperatura di Esercizio Max:70°C; Gamma Prodotti:-; Standard di Qualifica Automotive:-; Livello di Sensibilità all'Umidità (MSL):-; Sostanze Estremamente Preoccupanti (SVHC):No SVHC (07-Jul-2017)

Market price

Part #	Mfg.	Description	Stock	Price
UC3843BD1R2G DISTI # V72:2272_07297580	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R RoHS: Compliant	5000	3000:$0.1441 1000:$0.1943 500:$0.2819 250:$0.2884 100:$0.2887 25:$0.4509 10:$0.4519 1:$0.5390
UC3843BD1013TR DISTI # V72:2272_17627878	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R RoHS: Compliant	2407	1000:$0.3030 500:$0.3867 250:$0.4007 100:$0.4017 25:$0.5433 10:$0.5534 1:$0.6326
UC3843BD1013TR DISTI # V79:2366_22687849	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R RoHS: Compliant	1250	1:$8.4500
UC3843BD1013TR DISTI # V72:2272_06568298	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R RoHS: Compliant	49	25:$0.5508 10:$0.5534 1:$0.6326
UC3843BD1G DISTI # V99:2348_07277729	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N Tube RoHS: Compliant	14	25000:$0.1612 10000:$0.1671 2500:$0.1778 1000:$0.1985 100:$0.2506 10:$0.3635 1:$0.4202
UC3843BD1 DISTI # V79:2366_17794393	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N Tube RoHS: Compliant	1	25000:$0.2338 10000:$0.2368 2500:$0.2631 1000:$0.3127 100:$0.3746 10:$0.5215 1:$0.5993
UC3843BD1G DISTI # UC3843BD1GOS-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC RoHS: Compliant Min Qty: 1 Container: Tube	4232In Stock	1078:$0.2264 588:$0.2930 196:$0.3730 98:$0.4662 1:$0.5800
UC3843BD1R2G DISTI # UC3843BD1R2GOSCT-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	2148In Stock	1000:$0.2573 500:$0.3283 100:$0.4136 10:$0.5490 1:$0.6400
UC3843BD1R2G DISTI # UC3843BD1R2GOSDKR-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	2148In Stock	1000:$0.2573 500:$0.3283 100:$0.4136 10:$0.5490 1:$0.6400
UC3843BD1 DISTI # 497-15689-5-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SO RoHS: Compliant Min Qty: 1 Container: Tube	1177In Stock	1000:$0.3360 500:$0.4200 100:$0.5313 10:$0.6930 1:$0.7900
UC3843BD1 DISTI # UC3843BD1OS-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC RoHS: Not compliant Min Qty: 490 Container: Tube	Limited Supply - Call
UC3843BD1R2G DISTI # UC3843BD1R2GOSTR-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	On Order	25000:$0.1918 12500:$0.2015 5000:$0.2153 2500:$0.2291
UC3843BD1013TR DISTI # 497-3681-2-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC RoHS: Compliant Min Qty: 2500 Container: Tape & Reel (TR)	On Order	25000:$0.2888 12500:$0.3003 5000:$0.3119 2500:$0.3350
UC3843BD1R2 DISTI # UC3843BD1R2OS-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC RoHS: Not compliant Min Qty: 2500 Container: Tape & Reel (TR)	Limited Supply - Call
E-UC3843BD1013TR DISTI # 497-4603-6-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	Limited Supply - Call
E-UC3843BD1 DISTI # E-UC3843BD1-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC RoHS: Compliant Min Qty: 2000 Container: Tube	Limited Supply - Call
UC3843BD1013TR DISTI # 497-3681-1-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	Temporarily Out of Stock	1000:$0.3807 500:$0.4759 100:$0.6020 10:$0.7850 1:$0.8900
UC3843BD1013TR DISTI # 497-3681-6-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	Temporarily Out of Stock	1000:$0.3807 500:$0.4759 100:$0.6020 10:$0.7850 1:$0.8900
UC3843BD1R2G DISTI # 30740267	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R RoHS: Compliant	5000	3000:$0.1441 1000:$0.1942 500:$0.2817 250:$0.2881 100:$0.2884 42:$0.4499
UC3843BD1 DISTI # 30702187	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N Tube RoHS: Compliant	3750	1000:$0.3387 500:$0.4234 100:$0.5355 58:$0.6986
UC3843BD1R2G DISTI # 26562284	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R RoHS: Compliant	2500	5000:$0.1590 2500:$0.1593
UC3843BD1013TR DISTI # 27121610	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R RoHS: Compliant	2407	1000:$0.3028 500:$0.3845 250:$0.4003 100:$0.4014 26:$0.5426
UC3843BD1013TR DISTI # 30526573	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R RoHS: Compliant	1250	28:$8.4500
UC3843BD1013TR DISTI # 30225641	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R RoHS: Compliant	49	25:$0.5501 22:$0.5527
UC3843BD1R2G DISTI # UC3843BD1R2G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BD1R2G) RoHS: Compliant Min Qty: 2500 Container: Tape and Reel	Asia - 12500	2500:$0.1790 5000:$0.1721 7500:$0.1657 12500:$0.1598 25000:$0.1543 62500:$0.1492 125000:$0.1467
UC3843BD1 DISTI # UC3843BD1	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N - Rail/Tube (Alt: UC3843BD1) RoHS: Not Compliant Min Qty: 4000 Container: Tube	Americas - 0	4000:$0.3139 8000:$0.2999 12000:$0.2859 20000:$0.2729 40000:$0.2679
UC3843BD1 DISTI # 45AC7922	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N - Bulk (Alt: 45AC7922) RoHS: Not Compliant Min Qty: 1 Container: Bulk	Americas - 0	1:$0.8270 10:$0.6880 100:$0.4570 500:$0.4150 1000:$0.3730 2500:$0.3210 10000:$0.3110
UC3843BD1G DISTI # UC3843BD1G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N Rail (Alt: UC3843BD1G) RoHS: Compliant Min Qty: 2450	Asia - 0
UC3843BD1G DISTI # UC3843BD1G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N Rail - Rail/Tube (Alt: UC3843BD1G) RoHS: Compliant Min Qty: 1 Container: Tube	Americas - 0	1:$0.3779 10:$0.3279 25:$0.3269 50:$0.3269 100:$0.2649 500:$0.2639 1000:$0.2039
UC3843BD1G DISTI # 45J2379	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N Rail - Bulk (Alt: 45J2379) RoHS: Compliant Min Qty: 1 Container: Bulk	Americas - 0	1:$0.5940 10:$0.4950 100:$0.3080 500:$0.2750 1000:$0.2410 2500:$0.2080 10000:$0.1940
UC3843BD1R2G DISTI # UC3843BD1R2G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Tape and Reel (Alt: UC3843BD1R2G) RoHS: Compliant Min Qty: 2500 Container: Reel	Americas - 0	2500:$0.1639 5000:$0.1629 10000:$0.1609 15000:$0.1589 25000:$0.1549
UC3843BD1013TR DISTI # UC3843BD1013TR	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: UC3843BD1013TR) RoHS: Compliant Min Qty: 2500 Container: Reel	Americas - 0	2500:$0.3029 5000:$0.3019 10000:$0.2949 15000:$0.2939 25000:$0.2929
UC3843BD1013TR DISTI # 45AC7923	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R - Product that comes on tape, but is not reeled (Alt: 45AC7923) RoHS: Compliant Min Qty: 1 Container: Ammo Pack	Americas - 0	1:$0.9450 10:$0.7860 25:$0.6970 50:$0.6090 100:$0.5200 250:$0.4880 500:$0.4570
E-UC3843BD1013TR DISTI # E-UC3843BD1013TR	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: E-UC3843BD1013TR) RoHS: Compliant Min Qty: 2500 Container: Reel	Americas - 0
UC3843BD1 DISTI # 45AC7922	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8,Input Voltage:-,Output Voltage:-,Output Current:1A,Supply Voltage Min:11V,Supply Voltage Max:30V,Controller IC Case Style:SOIC,No. of Pins:8Pins,Frequency:500kHz,Product Range:- , RoHS Compliant: Yes	498	1:$0.8270 10:$0.6880 100:$0.4570 500:$0.4150 1000:$0.3730 2500:$0.3210 10000:$0.3110
UC3843BD1R2G DISTI # 81Y7479	ON Semiconductor	PWM CTRL, CURRENT MODE, 30V, SOIC-8,Input Voltage:-,Output Voltage:-,Output Current:-,Supply Voltage Min:-,Supply Voltage Max:30V,Controller IC Case Style:SOIC,No. of Pins:8Pins,Frequency:52kHz,Operating Temperature Min:0°C, , RoHS Compliant: Yes	2452	1:$0.6100 10:$0.4990 25:$0.4340 50:$0.3690 100:$0.3040 250:$0.2810 500:$0.2580 1000:$0.2350
UC3843BD1R2G DISTI # 45J2380	ON Semiconductor	IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,SOP,8PIN,PLASTIC , ROHS COMPLIANT: YES	0	1:$0.6740 25:$0.4970 100:$0.3180 250:$0.3080 500:$0.3000 1000:$0.2490 2500:$0.2150 7500:$0.2080
UC3843BD1013TR DISTI # 45AC7923	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8,Input Voltage:-,Output Voltage:-,Output Current:1A,Supply Voltage Min:11V,Supply Voltage Max:30V,Controller IC Case Style:SOIC,No. of Pins:8Pins,Frequency:500kHz,Product Range:- , RoHS Compliant: Yes	94	1:$0.9450 10:$0.7860 25:$0.6970 50:$0.6090 100:$0.5200 250:$0.4880 500:$0.4570 1000:$0.4240
UC3843BD1G DISTI # 45J2379	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	2341	1:$0.5940 10:$0.4950 100:$0.3080 500:$0.2750 1000:$0.2410 2500:$0.2080 10000:$0.1940
UC3843BD1G. DISTI # 26AC5109	ON Semiconductor	ANA SMPS PWM CONTROLLER , ROHS COMPLIANT: YES	1628	1:$0.6060 10:$0.5050 100:$0.3140 500:$0.2750 1000:$0.2410 2500:$0.2080 10000:$0.1940
UC3843BD1G DISTI # 70100727	ON Semiconductor	IC REG CTRLR BST FLYBK ISO 8SOIC RoHS: Compliant	0	20:$0.6810 40:$0.6740 80:$0.6670 1000:$0.6600 2500:$0.6540
UC3843BD1R2G DISTI # 70467773	ON Semiconductor	UC3843BD1R2G,PWM Current Mode Controller,1 A,275 kHz,30 V,8-Pin SOIC RoHS: Compliant	0	50:$0.5600 100:$0.5540 250:$0.5490 500:$0.5380
UC3843BD1 DISTI # 511-UC3843BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode RoHS: Compliant	5716	1:$0.7900 10:$0.6510 100:$0.4200 1000:$0.3360 2500:$0.2840 10000:$0.2740 25000:$0.2630

Image	Part #	Description
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	Mfr.#: UC3845BVD1R2G OMO.#: OMO-UC3845BVD1R2G	Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max
	Mfr.#: UC3843BN OMO.#: OMO-UC3843BN	Switching Controllers 0.5mA Current Mode
	Mfr.#: RCWE1206R200FKEA OMO.#: OMO-RCWE1206R200FKEA	Current Sense Resistors - SMD 1/2watt .2ohms 1% 100ppm
	Mfr.#: RCWE1206R200FKEA OMO.#: OMO-RCWE1206R200FKEA-VISHAY-DALE	Res Thick Film 1206 0.2 Ohm 1% 0.5W(1/2W) ±100ppm/C Molded SMD Automotive Punched Paper T/R
	Mfr.#: CRCW08050000Z0EAC OMO.#: OMO-CRCW08050000Z0EAC-VISHAY-DALE	D12/CRCW0805-C 0R0 ET1 E3
	Mfr.#: UC3843BN OMO.#: OMO-UC3843BN-STMICROELECTRONICS	IC REG CTRLR FLYBACK 8DIP
	Mfr.#: UC3845BVD1R2G OMO.#: OMO-UC3845BVD1R2G-ON-SEMICONDUCTOR	Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max
	Mfr.#: KTR18EZPF1504 OMO.#: OMO-KTR18EZPF1504-ROHM-SEMI	RES SMD 1.5M OHM 1% 1/4W 1206
	Mfr.#: IRFP460PBF OMO.#: OMO-IRFP460PBF-VISHAY	MOSFET N-CH 500V 20A TO-247AC

UC3843BD1

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

O***r

A***k

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes