MPN

onsemi, 5-Channel Buck, Boost, Flyback Controller, 1 A, 5.1 V 500 kHz, SOIC 8-Pin

RS stock no.:: 186-9858
Mfr. Part No.:: UC3842BVD1R2G
Manufacturer:: onsemi

onsemi, 5-Channel Buck, Boost, Flyback Controller, 1 A, 5.1 V 500 kHz, SOIC 8-Pin

Image representative of range

Bulk discount available

Subtotal (1 pack of 25 units)*

R 283,35

(exc. VAT)

R 325,85

(inc. VAT)

FREE delivery for orders over R 1,500.00

In Stock

Plus 2,175 unit(s) shipping from 05 January 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Pack*
25 - 25	R 11.334	R 283.35
50 - 75	R 11.051	R 276.28
100 - 225	R 10.72	R 268.00
250 - 975	R 10.291	R 257.28
1000 +	R 9.879	R 246.98

*price indicative

RS stock no.:: 186-9858
Mfr. Part No.:: UC3842BVD1R2G
Manufacturer:: onsemi

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	onsemi
	Product Type	Flyback Controller
	Regulator Type	Buck, Boost
	Number of Outputs	5
	Output Voltage	5.1 V
	Switching Frequency	500kHz
	Line Regulation	20 mV
	Load Regulation	25 mV
	Mount Type	Surface
	Polarity	Positive
	Package Type	SOIC
	Pin Count	8
	Output Current	1A
	Output Type	Adjustable
	Switching Regulator	Yes
	Standards/Approvals	RoHS
	Length	5mm
	Height	1.5mm
	Width	4 mm
	Series	UC3842B
	Minimum Input Voltage	7.6V
	Maximum Input Voltage	30V
	Maximum Operating Temperature	105°C
	Minimum Operating Temperature	-40°C
	Automotive Standard	No

	Select all
	Brand onsemi
	Product Type Flyback Controller
	Regulator Type Buck, Boost
	Number of Outputs 5
	Output Voltage 5.1 V
	Switching Frequency 500kHz
	Line Regulation 20 mV
	Load Regulation 25 mV
	Mount Type Surface
	Polarity Positive
	Package Type SOIC
	Pin Count 8
	Output Current 1A
	Output Type Adjustable
	Switching Regulator Yes
	Standards/Approvals RoHS
	Length 5mm
	Height 1.5mm
	Width 4 mm
	Series UC3842B
	Minimum Input Voltage 7.6V
	Maximum Input Voltage 30V
	Maximum Operating Temperature 105°C
	Minimum Operating Temperature -40°C
	Automotive Standard No

Datasheet UC3842BVD1R2G

Trimmed Oscillator for Precise Frequency Control

Oscillator Frequency Guaranteed at 250 kHz

Current Mode Operation to 500 kHz

Automatic Feed Forward Compensation

Latching PWM for Cycle-By-Cycle Current Limiting

Internally Trimmed Reference with Undervoltage Lockout

High Current Totem Pole Output

Undervoltage Lockout with Hysteresis

Low Startup and Operating Current

onsemi, 5-Channel Buck, Boost, Flyback Controller, 1 A, 5.1 V 500 kHz, SOIC 8-Pin

FREE delivery for orders over R 1,500.00

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