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UC3842A Datasheet

The UC3842A is a High Performance Current Controller. Download the datasheet PDF and view key features and specifications below.

Part NumberUC3842A
Manufactureronsemi
Overview UC3842A, UC3843A, UC2842A, UC2843A High Performance Current Mode Controllers The UC3842A, UC3843A series of high performance fixed frequency current mode controllers are specifically designed for off. consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, programmable output deadtime, and a latch for single pulse metering. These devices are available in an 8−pin dual−in−line plastic package as well as the 14−pin plastic surface mount (SOIC−1.
Part NumberUC3842A
DescriptionHIGH-PERFORMANCE PWM CONTROLLER
ManufacturerSTMicroelectronics
Overview PThe UC384xA family of control ICs provides the necessary features to implement off-line or DC to teDC fixed frequency current mode control schemes lewith a minimal external parts count. Internally im. Figure 1. Package
* TRIMMED OSCILLATOR DISCHARGE CURRENT
* CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION DIP-8 SO-8
* LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING Table 1. Order Codes
* INTERNALLY TRIMMED REFERENCE WITH Part Number Package UNDERVOLTAGE LOCKOUT.
Part NumberUC3842A
DescriptionCurrent-Mode PWM Controllers
ManufacturerTexas Instruments
Overview The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control currentmode or switched-mode power supplies, this .
* Optimized for Off-Line and DC-DC Converters
* Low Start-Up Current (< 0.5 mA)
* Trimmed Oscillator Discharge Current
* Automatic Feedforward Compensation
* Pulse-by-Pulse Current Limiting
* Enhanced Load Response Characteristics
* Undervoltage Lockout With Hysteresis
* Double Pulse Suppression
* H.
Part NumberUC3842A
DescriptionSMPS Controller
ManufacturerFairchild Semiconductor
Overview The UC3842A/UC3843A are fixed PWM controller for OffLine and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high .
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* Low Start Current 0.2mA (typ) Operating Range Up To 500KHz Cycle by Cycle Current Limiting Under Voltage Lock Out With Hysteresis Short Shutdown Delay Time: typ.100ns High Current Totem-pole Output Output Swing Limiting: 22V Description The UC3842A/UC3843A are fixed PWM controller for.

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