(China (Mainland))
Product Summary
The UC2842D8TRG is a current mode pwm controller. It provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count.
Parametrics
Absolute maximum ratings: (1) Supply voltage, Low impedance source: 30 V; ICC < 30 mA: Self Limiting; (2)Output current: ±1 A; (3)Output energy (capacitive load): 5 mJ; (4)Analog inputs (Pins 2, 3): –0.3 V to 6.3 V; (5)Error amp output sink current: 10 mA; (6)Storage temperature range: –65℃ to 150℃; (7)Junction temperature range: –55℃ to 150℃; (8)Lead temperature (soldering, 10 seconds): 300℃.
Features
Features: (1)optimized for off-line and DC-to-DC converters; (2)low start-up current; (3)automatic feed forward compensation; (4)pulsed-by-pulse current limiting; (5)enhanced load response characteristics; (6)under-voltage lockout with hysteresis; (7)double pulse suppression; (8)high current totem pole output; (9)internally trimmed bandgap reference; (10)500kHz operation; (11)low R0 error Amp.
Diagrams
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 UC2842D8TRG4 |
Texas Instruments |
Current Mode PWM Controllers Current-Mode PWM Controller |
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UC28023DW |
Texas Instruments |
Current Mode PWM Controllers Economy High Speed |
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UC28023DWG4 |
Texas Instruments |
Current Mode PWM Controllers Economy High Speed |
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UC28023DWR |
Texas Instruments |
Current Mode PWM Controllers Economy High Speed |
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UC28023DWRG4 |
Texas Instruments |
Current Mode PWM Controllers Economy High Speed |
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UC28023N |
Texas Instruments |
Current Mode PWM Controllers Economy High Speed |
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UC28023NG4 |
Texas Instruments |
Current Mode PWM Controllers Economy High Speed |
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