| Part Number | UC2844 Datasheet |
|---|---|
| Manufacturer | Unitrode |
| Overview |
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 im.
* * * * * * * * * * * 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 In. |
UC2844 Datasheet and Specifications PDF
The UC2844 is a Current Mode PWM Controller.
| Part Number | UC2844 Datasheet |
|---|---|
| Description | CURRENTMODE PWM CONTROLLER |
| Manufacturer | STMicroelectronics |
| Overview | TheUC3842/3/4/5family of controlICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal externalparts count.Internallyimplemen. to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal externalparts count.Internallyimplementedcircuits include undervoltagelockout featuring start-up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure l. |
| Part Number | UC2844 Datasheet |
|---|---|
| Description | Current-Mode PWM Controllers |
| Manufacturer | Texas Instruments |
| Overview |
The UCx84x series of control integrated circuits provide the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of extern.
* Optimized for off-line and DC-to-DC converters * Low start-up current (< 1mA) * Automatic feedforward compensation * Pulse-by-pulse current limiting * Enhanced load-response characteristics * Undervoltage lockout with hysteresis * Double-pulse suppression * High-current totem-pole output * Interna. |
| Part Number | UC2844 Datasheet |
|---|---|
| Description | High Performance Current-Mode Controller |
| Manufacturer | onsemi |
| Overview |
UC3844, UC3845, UC2844, UC2845
High Performance Current Mode Controllers
The UC3844, UC3845 series are high performance fixed frequency current mode controllers. They are specifically designed for Of.
consisting of input and reference undervoltage lockouts each with hysteresis, cycle *by *cycle current limiting, a latch for single pulse metering, and a flip *flop which blanks the output off every other oscillator cycle, allowing output dead times to be programmed for 50% to 70%. These devices are av. |