UC2842ADWTR
Active30-V, 1-A, 500KHZ CURRENT MODE PWM CONTROLLER WITH 16V/10V UVLO 100% DUTY CYCLE, 40C TO 85C
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UC2842ADWTR
Active30-V, 1-A, 500KHZ CURRENT MODE PWM CONTROLLER WITH 16V/10V UVLO 100% DUTY CYCLE, 40C TO 85C
Technical Specifications
Parameters and characteristics for this part
| Specification | UC2842ADWTR |
|---|---|
| Applications | PWM Controller |
| Current - Supply | 11 mA |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 16-SOIC |
| Package / Case [x] | 0.295 in |
| Package / Case [y] | 7.5 mm |
| Supplier Device Package | 16-SOIC |
| Voltage - Input [Max] | 6.3 V |
| Voltage - Input [Min] | -3 V |
| Voltage - Supply [Max] | 30 VDC |
| Voltage - Supply [Min] | 10 VDC |
UC2842AQ Series
30-V, 1-A, 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle, -40C to 85C
| Part | Voltage - Supply [Max] | Voltage - Supply [Min] | Mounting Type | Supplier Device Package | Voltage - Input [Min] | Voltage - Input [Max] | Operating Temperature [Min] | Operating Temperature [Max] | Current - Supply | Applications | Package / Case | Package / Case [y] | Package / Case [x] | Package / Case | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments | 30 VDC | 10 VDC | Surface Mount | 8-SOIC | -3 V | 6.3 V | -40 °C | 125 °C | 11 mA | PWM Controller | 8-SOIC | 3.9 mm | 0.154 in | ||
Texas Instruments | 28 V | 12 V | Surface Mount | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 14-SOIC | 3.9 mm | 0.154 in | |||
Texas Instruments | 28 V | 12 V | Surface Mount | 8-SOIC | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 8-SOIC | 3.9 mm | 0.154 in | ||
Texas Instruments | 30 VDC | 10 VDC | Surface Mount | 16-SOIC | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 16-SOIC | 7.5 mm | 0.295 in | ||
Texas Instruments | 30 VDC | 10 VDC | Surface Mount | 8-SOIC | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 8-SOIC | 3.9 mm | 0.154 in | ||
Texas Instruments | 28 V | 12 V | Through Hole | 8-PDIP | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 8-DIP | 0.3 in | 7.62 mm | ||
Texas Instruments | 30 VDC | 10 VDC | Through Hole | 8-PDIP | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 8-DIP | 0.3 in | 7.62 mm | ||
Texas Instruments | 30 VDC | 10 VDC | Surface Mount | 16-SOIC | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 16-SOIC | 7.5 mm | 0.295 in | ||
Texas Instruments | 30 VDC | 10 VDC | Surface Mount | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 14-SOIC | 3.9 mm | 0.154 in | |||
Texas Instruments | 30 VDC | 10 VDC | Surface Mount | 8-SOIC | -3 V | 6.3 V | -40 °C | 85 °C | 11 mA | PWM Controller | 8-SOIC | 3.9 mm | 0.154 in |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.37 | |
| 10 | $ 1.23 | |||
| 25 | $ 1.17 | |||
| 100 | $ 0.96 | |||
| 250 | $ 0.89 | |||
| 500 | $ 0.79 | |||
| 1000 | $ 0.62 | |||
| Digi-Reel® | 1 | $ 1.37 | ||
| 10 | $ 1.23 | |||
| 25 | $ 1.17 | |||
| 100 | $ 0.96 | |||
| 250 | $ 0.89 | |||
| 500 | $ 0.79 | |||
| 1000 | $ 0.62 | |||
| Tape & Reel (TR) | 2000 | $ 0.62 | ||
| 4000 | $ 0.58 | |||
| 6000 | $ 0.56 | |||
| 10000 | $ 0.54 | |||
| 14000 | $ 0.53 | |||
| Texas Instruments | LARGE T&R | 1 | $ 1.13 | |
| 100 | $ 0.87 | |||
| 250 | $ 0.64 | |||
| 1000 | $ 0.46 | |||
Description
General part information
UC2842AQ Series
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 a start-up current of less than 1mA, and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to provide latched operation, a pulse-width modulation (PWM) comparator that also provides current-limit control, and a totem-pole output stage that is designed to source or sink high-peak current. The output stage, designed for driving N-channel MOSFETs, is low when the output stage is in the off state.
The UCx84x family offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of turnon and turnoff thresholds and hysteresis ranges. Devices with higher turnon or turnoff hysteresis are good choices for off-line power supplies, while the devices with a narrower hysteresis range are designed for DC-DC applications. The UC184x devices are specified for operation from –55°C to 125°C, the UC284x series is specified for operation from –40°C to 85°C, and the UC384x series is specified for operation from 0°C to 70°C.
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 a start-up current of less than 1mA, and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to provide latched operation, a pulse-width modulation (PWM) comparator that also provides current-limit control, and a totem-pole output stage that is designed to source or sink high-peak current. The output stage, designed for driving N-channel MOSFETs, is low when the output stage is in the off state.
Documents
Technical documentation and resources