Integrated Circuits (ICs) > Power Management ICs > DC-DC Switching Controllers

UC3843BDR2G - onsemi

UC3843B Series 5.25 V 275 kHz High Performance Current Mode Controller - SOIC-14

Technical Details

Case/Package	SOP
China RoHS	Compliant
Country of Origin	Philippines
Duty Cycle	96%
Export Control Classification Number (ECCN) Code	EAR99
Fall Time	50ns
Frequency	500kHz
Halogen Free	Halogen Free
Height	1.5mm
Height - Seated (Max)	1.75mm
Harmonized Tariff Schedule (HTS) Code	8542.39.00.60
Introduction Date	1999-01-01
Lead Free	Lead Free
Length	8.65mm
Lifecycle Status	Production
Manufacturer Lifecycle Status	ACTIVE
Max Duty Cycle	96%
Max Frequency	275kHz
Max Input Voltage	25V
Max Operating Temperature	70°C
Max Output Current	1A
Max Supply Current	17mA
Max Supply Voltage	30V
Max Switching Frequency	500kHz
Min Input Voltage	12V
Min Operating Temperature	0°C
Mount	Surface Mount
Nominal Input Voltage	15V
Number of Channels	1
Number of Circuits	1
Number of Outputs	1
Number of Pins	14
Number of Terminals	14
Output Current	1A
Radiation Hardening	No
REACH SVHC	Yes
Rise Time	50ns
RoHS	Compliant
Switching Frequency	500kHz
Temperature Grade	Commercial
Terminal Pitch	1.27mm
Topology	Buck-Boost
Width	3.9mm

Compliance

RoHS : Unconfirmed

Radiation Hardening : No

REACH SVHC : Yes

Images

onsemi UC3843BDR2G | Rochester Electronics

Rochester Electronics

Datasheets

Rochester Electronics

Lifecycle Status Indicator

Production

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
onsemi	UC3843BVDG	Obsolete
onsemi	UC3843BDG	Obsolete
Texas Instruments	UC3844J	Unknown
Linfinity	SG3844D	Obsolete
Texas Instruments	UC1842ALQMLV	Unknown
onsemi	UC3844NG	Obsolete
Texas Instruments	UC2844ADG4	Unknown
Linfinity	SG3842D	Obsolete
onsemi	UC2843BNG	Production
onsemi	UC3843BVD1R2G	Production

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SKU

Stock

USD

1

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Farnell

DE: 1275

$

0.7754

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0.36

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CA: 0

$

0.193

element14 APAC

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$

0.711

0.4507

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0.3665

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element14 APAC

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Newark

US: 0

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0.323

Non-Authorized Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Microchip USA

US: 2704

$

4.2504

4.2372

Component Stockers USA

US: 12289

$

0.30

0.30

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0.452

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CN: 442219

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0.29

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