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
Bulk discount available
Subtotal (1 pack of 25 units)*
SGD20.50
(exc. GST)
SGD22.25
(inc. GST)
FREE delivery for orders over $150, or create a business account to enjoy free delivery from just $28
In Stock
- Plus 2,025 unit(s) shipping from 23 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 25 - 25 | SGD0.82 | SGD20.50 |
| 50 - 75 | SGD0.795 | SGD19.88 |
| 100 - 225 | SGD0.771 | SGD19.28 |
| 250 - 975 | SGD0.748 | SGD18.70 |
| 1000 + | SGD0.726 | SGD18.15 |
*price indicative
- RS Stock No.:
- 186-9858
- Mfr. Part No.:
- UC3842BVD1R2G
- Manufacturer:
- onsemi
Specifications
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 | |
| Output Voltage | 5.1 V | |
| Number of Outputs | 5 | |
| Line Regulation | 20 mV | |
| Switching Frequency | 500kHz | |
| 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 | |
| Length | 5mm | |
| Standards/Approvals | RoHS | |
| Height | 1.5mm | |
| Width | 4 mm | |
| Minimum Input Voltage | 7.6V | |
| Maximum Input Voltage | 30V | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 105°C | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand onsemi | ||
Product Type Flyback Controller | ||
Regulator Type Buck, Boost | ||
Output Voltage 5.1 V | ||
Number of Outputs 5 | ||
Line Regulation 20 mV | ||
Switching Frequency 500kHz | ||
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 | ||
Length 5mm | ||
Standards/Approvals RoHS | ||
Height 1.5mm | ||
Width 4 mm | ||
Minimum Input Voltage 7.6V | ||
Maximum Input Voltage 30V | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 105°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