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| Part Number | UC3843 |
| Distributor | Stock | Price | Buy |
|---|
| Part Number | UC3843 |
| Manufacturer | HOTCHIP |
| Title | High Performance Current Mode Controller |
| Description | The UC3842B/43B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and DC-to-DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillat. |
| Features | consisting of input and reference under voltage lockouts each with hysteresis, cycle-by-cycle current limiting, programmable output dead time, and a latch for single pulse metering. These devices are available in 8-pin dual-in-line ceramic and plastic packages as well as the 8-pin plastic surface mount (SO-8). And 14-pin plastic surface mount (SO-14). SO-14 package Figure Teng. |
| Part Number | UC3843 |
| Manufacturer | STMicroelectronics |
| Title | CURRENTMODE PWM CONTROLLER |
| Description | 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.Internallyimplementedcircuits include undervoltagelockout featuring start-up current less than 1 mA, a precision refer. |
| Features | 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 latched operation, a PWM comparatorwhich also providescurrentlimit control,and a totem pole output st. |
| Part Number | UC3843 |
| Manufacturer | Fairchild Semiconductor |
| Title | SMPS Controller |
| Description | The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensa. |
| Features |
• • • • Low Start up Current Maximum Duty Clamp UVLO With Hysteresis Operating Frequency up to 500KHz Description The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a tempe. |
| Part Number | UC3843 |
| Manufacturer | Texas Instruments |
| Title | Current-Mode PWM Controllers |
| Description | 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 external components. The internally implemented circuits include an undervoltage lockout (UVLO), featuring. |
| Features |
• Optimized for off-line and DC-to-DC converters • Low start-up current (< 1 mA) • Automatic feedforward compensation • Pulse-by-pulse current limiting • Enhanced load-response characteristics • Undervoltage lockout with hysteresis • Double-pulse suppression • High-current totem-pole output • Internally trimmed bandgap reference • Up to 500-kHz operation • Error amplifier with low output resistanc. |
similar datasheet
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | UC3840 |
STMicroelectronics |
PWM CONTROLLER |
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| 2 | UC3841 |
Unitrode |
Programmable Off-Line PWM Controller |
|
| 3 | UC3842 |
Philips |
Current-mode PWM controller |
|
| 4 | UC3842 |
Fairchild |
SMPS Controller |
|
| 5 | UC3842 |
ST Microelectronics |
CURRENTMODE PWM CONTROLLER |
|
| 6 | UC3842 |
HOTCHIP |
High Performance Current Mode Controller |
|
| 7 | UC3842 |
Texas Instruments |
Current-Mode PWM Controllers |
|
| 8 | UC3842A |
UTC |
CURRENT MODE PWM CONTROLLER |
|
| 9 | UC3842A |
Motorola |
HIGH-PERFORMANCE CONTROLLERS |
|
| 10 | UC3842A |
Fairchild Semiconductor |
SMPS Controller |
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Desde 2024. D4U Semiconductor.
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