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

This image is representative of the product range

Bulk discount available
View bulk pricing options

Subtotal (1 pack of 25 units)*

SGD13.425

(exc. GST)

SGD14.625

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • Plus 1,950 unit(s) shipping from 08 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
Per Pack*
25 - 25SGD0.537SGD13.43
50 - 75SGD0.521SGD13.03
100 - 225SGD0.506SGD12.65
250 - 975SGD0.49SGD12.25
1000 +SGD0.476SGD11.90

*price indicative

RS Stock No.:
186-9858
Mfr. Part No.:
UC3842BVD1R2G
Manufacturer:
onsemi
Find similar products by selecting one or more attributes.
Select all

Brand

onsemi

Regulator Type

Buck, Boost

Product Type

Flyback Controller

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

Series

UC3842B

Standards/Approvals

RoHS

Height

1.5mm

Length

5mm

Maximum Input Voltage

30V

Maximum Operating Temperature

105°C

Minimum Operating Temperature

-40°C

Minimum Input Voltage

7.6V

Automotive Standard

No

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

Related links

Be the first to know about our latest products and offers

Email address

The personal information you provide to us when signing up to this mailing list will be processed in line with the Privacy Policy