onsemi UC3842BVD1R2G, 5-Channel Buck, Boost, Flyback Controller, 1 A, 5.1 V 500 kHz, SOIC 8-Pin

This image is representative of the product range

Subtotal (1 reel of 2500 units)*

SGD1,032.50

(exc. GST)

SGD1,125.00

(inc. GST)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 15 July 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Reel*
2500 +SGD0.413SGD1,032.50

*price indicative

RS Stock No.:
186-9142
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

Output Voltage

5.1 V

Number of Outputs

5

Switching Frequency

500kHz

Line Regulation

20 mV

Load Regulation

25 mV

Polarity

Positive

Mount Type

Surface

Package Type

SOIC

Pin Count

8

Output Current

1A

Output Type

Adjustable

Switching Regulator

Yes

Length

5mm

Series

UC3842B

Standards/Approvals

RoHS

Height

1.5mm

Width

4 mm

Minimum Input Voltage

7.6V

Maximum Input Voltage

30V

Maximum Operating Temperature

105°C

Minimum Operating Temperature

-40°C

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