onsemi · DC-DC Controllers

KA3843B

onsemi DC-DC Controllers · DIP-8

Part-number family from Fairchild Semiconductor (now onsemi, 2016). Older stock may carry Fairchild Semiconductor markings.

Request a quote for KA3843B

The KA3843B is a DC-DC Controllers from onsemi, supplied in a DIP-8 package. It is listed in our Power Management ICs (PMIC) catalog (Power Management).

Key specifications of the KA3843B: frequency - switching 52kHz, quiescent current 14mA, operating temperature 0°C~+70°C and switch tube (built-in/external) External.

PartnerSemi sources the KA3843B for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberKA3843B
Manufactureronsemi
Heritage brand (part family)Fairchild Semiconductor
Product typeDC-DC Controllers
CategoryPower Management ICs (PMIC)
Package / caseDIP-8
Frequency - Switching52kHz
Operating Temperature0°C~+70°C
Quiescent Current14mA
Switch tube (built-in/external)External

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More onsemi Power Management ICs (PMIC)

Part numberTypePackageKey specs
KA1H0165RTU AC-DC Controllers & Regulators TO-220F-4 100kHz650V
KA2803B Power Management - Specialized DIP-8 400uA~580uA-25°C~+80°C
KA2803CDTF Power Management - Specialized SOP-8
KA2807DTF Power Management Specialized - PMIC SOIC-8
KA431DTF Voltage References TO-92-3 2.5V~36V450uA
KA5H0165RYDTU AC-DC Controllers & Regulators TO-220F-4 100kHz650V
KA5H0380RTU Power Distribution Switches TO-220F-4 90kHz~110kHz3A
KA5H0380RYDTU AC-DC Controllers & Regulators TO-220F-4 100kHz800V

Frequently asked questions

What is the KA3843B?

The KA3843B is a DC-DC Controllers from onsemi, supplied in a DIP-8 package. It is listed in our Power Management ICs (PMIC) catalog (Power Management).

What are the specifications of the KA3843B?

Frequency - Switching: 52kHz; Operating Temperature: 0°C~+70°C; Quiescent Current: 14mA; Switch tube (built-in/external): External.

What package is the KA3843B in?

The KA3843B is listed in a DIP-8 package.

Which part numbers are similar to the KA3843B?

Similar part numbers in our catalog include KA1H0165RTU (onsemi), KA2803B (onsemi), KA2803CDTF (onsemi), KA2807DTF (onsemi), KA431DTF (onsemi) and KA5H0165RYDTU (onsemi). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the KA3843B?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=KA3843B&brand=onsemi or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.