UC1845J883B - TI
The pictures are for reference only, and the specific specifications can be found in the product manual.
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Part NoUC1845J883B
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ManufacturerTI
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ChipWorker Part#CW2996611
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CategoryPWM Controller IC
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PackageCDIP-8
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DescriptionCurrent Mode PWM Controller 200mA 500kHz 8Pin CDIP Tube
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DocumentationDatasheet
Payment Methods and Delivery
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UC1845J883B Specifications
| Attribute | Attribute Value |
|---|---|
| Part Number | UC1845J883B |
| Manufacturer | TI |
| ChipWorker Part# | CW2996611 |
| Category | PWM Controller IC |
| Documentation | Datasheet |
| Mounting Style | Through Hole |
| Number of Pins | 8 Pin |
| Case/Package | CDIP-8 |
| Output Current | 1 A |
| Supply Current | 25 mA |
| Power Dissipation | 1 W |
| Number of Regulated Outputs | 1 Output |
| Rise Time | 150 ns |
| Switching Frequency | 500 kHz |
| Topology | Boost, Flyback, Forward |
| Duty Cycle | 50 % |
| Maximum Duty Cycle | 50 % |
| Fall Time | 150 ns |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -55 ℃ |
| expand all | |
| Operating Temperature | -55℃ ~ 125℃ |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | Non-Compliant |
| Lead-Free Status | Contains Lead |
| ECCN Code | EAR99 |
Product Description
- DESCRIPTION
- The UC1842/3/4/5 family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched
- operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N Channel MOSFETs, is low in the off state.
- FEATURES
- • Optimized For Off-line And DC To DC Converters
- • Low Start Up Current (<1mA)
- • Automatic Feed Forward Compensation
- • Pulse-by-pulse Current Limiting
- • Enhanced Load Response Characteristics
- • Under-voltage Lockout With Hysteresis
- • Double Pulse Suppression
- • High Current Totem Pole Output
- • Internally Trimmed Bandgap Reference
- • 500khz Operation
- • Low ROError Amp
Delivery
Chipworker Certification
Ordering Information
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These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
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- If you need a detailed invoice or a tax identifier, please contact us. -
- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more > - - Carefully tested and packaged by ChipWorker- Vacuum packed - Anti-static packaging - Anti-vibration foam
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- Income quality control (IQC), 800+ qualified distributors.
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- Decapsulation control
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