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onsemi / AC-DC PWM Controllers

UC2843BD1R2G

onsemi UC2843BD1R2G (Power Management - AC/DC PWM Controller) is suitable for applications such as system regulation, battery charging and power conversion. Guaranteed genuine original; electrical characteristics and pin package are per the official Datasheet. Contact us for pricing, samples and stock availability.

New & Original Prototype to volume sourcing
COMPONENT PROFILE
SOIC-8 generic package illustration, not a part-specific image

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SOIC-8 · Generic package illustration

Based on the catalogue package field; not verified for this part. Check manufacturer documentation for dimensions, polarity and pinout.View part documentation ↓
Package reference · Not a dimension drawing
Package
SOIC-8

Product overview

onsemi UC2843BD1R2G (Power Management - AC/DC PWM Controller) is suitable for applications such as system regulation, battery charging and power conversion. Guaranteed genuine original; electrical characteristics and pin package are per the official Datasheet. Contact us for pricing, samples and stock availability.

Manufacturer
onsemi
Part number
UC2843BD1R2G
Category
AC-DC PWM Controllers
Package
SOIC-8
Packaging
Reel
Condition
New & Original
Compliance
Pb-Free
Lifecycle
Confirm with manufacturer
Lead time / MOQ
Confirm with quotation

Technical parameters

31 parameters

Construction

Output Energy (Capacitive Load per Cycle)
5.0 mJ
Maximum Power Dissipation @ TA = 25°C
862 mW
Line Regulation (VCC = 12 V to 25 V) Regline
2.0
Load Regulation (IO = 1.0 mA to 20 mA) Regload
3.0
Long Term Stability (TA = 125°C for 1000 Hours)
5.0
Unity Gain Bandwidth (TJ = 25°C)
0.7
Power Supply Rejection Ratio (VCC = 12 V to 25 V)
60
Sink (VO = 1.1 V, VFB = 2.7 V) ISink
2.0
Source (VO = 5.0 V, VFB = 2.3 V) ISource
−0.5
High State (RL = 15 k to ground, VFB = 2.3 V)
5.0
UC2843D, UC284XB
2.85
High State (ISource = 20 mA) UC284XB, UC384XB
13
UCX843B, BV
7.8
Maximum UC284XB, UC384XB, UC2843D DC(ma
94
Power Supply Rejection Ratio (VCC = 12 V to 25 V, Note 5)
70 dB

Performance

Total Power Supply and Zener Current (ICC + IZ)
30 mA
Output Current, Source or Sink
1.0 A
Error Amp Output Sink Current
10 mA
Thermal Resistance, Junction−to−Air RqJA
145 °C/W
Operating Junction Temperature
+150 °C
Reference Output Voltage (IO = 1.0 mA, TJ = 25°C) Vref
4.95
Temperature Stability
0.2
Output Noise Voltage (f = 10 Hz to 10 kHz, TJ = 25°C) Vn
50
Output Short Circuit Current
−30
Frequency Change with Voltage (VCC = 12 V to 25 V) DfOSC/DV
0.2
Oscillator Voltage Swing (Peak−to−Peak)
1.6
Voltage Feedback Input (VO = 2.5 V) UC284XB
2.45
Input Bias Current (VFB = 5.0 V)
−0.1
Open Loop Voltage Gain (VO = 2.0 V to 4.0 V)
65
Power Supply Zener Voltage (ICC = 25 mA)
30
Input Bias Current
−2.0 mA

Specifications & documentation

Use the official manufacturer documentation to verify electrical characteristics, package dimensions and operating limits before design approval.

Request confirmation of current stock, date code, packaging, price and delivery terms. Product information does not constitute a binding offer; final specifications are confirmed with your quotation.