Texas Instruments UC2843ALQD8RQ1
Manufacturer No:
UC2843ALQD8RQ1
Manufacturer:
Texas Instruments
Package:
Description:
Automotive, 36V, 1A, 500KHz current mode PWM controller with 8.4V and 7.6V UVLO 100% duty cycle
Quantity:
In Stock :4410
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Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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UC2843ALQD8RQ1 Information
Texas Instruments UC2843ALQD8RQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC2843ALQD8RQ1.
- Type
- Parameter
- Rating
- Automotive
- Topology
- Boost, Buck, Buck boost, Flyback, Forward
- Vin (max) (V)
- 36
- Control mode
- Peak current mode
- Features
- Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Multi-topology
- Operating temperature range (°C)
- -40 to 125
- Duty cycle (max) (%)
- 100
- TI functional safety category
- Functional Safety-Capable
- Package
- SOIC (D)
- Pins
- 8
- Type
- Parameter
- Size
- 29.4 mm² 4.9 x 6
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments UC2843ALQD8RQ1.
Data sheet:
The UC284xL-Q1 control device is an automotive-grade pin-for-pin compatible improved version of the UC284xAQ/UC284xA-Q1 families. Providing the necessary features to control current-mode or switched-mode power supplies, this device provides improved features: higher VCC range at 36V, lower start-up current at 0.25mA, tighter operating current tolerance at 15mA max, and faster response on cycle-by-cycle current protection at 100ns. Output driver of UC284xL-Q1 is improved with shorter rise and fall time at 75ns max to reduce switching loss, and stronger driver capabilities with lower output low level farther from the FETs threshold voltage.
- Improved output driver and lower operating/startup current from UC284xAQ/UC284xA-Q1
- Optimized for off-line and DC-DC converters
- Low start-up current (<0.5mA)
- Trimmed oscillator discharge current
- 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 500kHz operation
- Functional Safety-Capable
- Document available to aid functional safety system design
- AEC-Q100 qualified with the following results
- Device temperature grade 1: –40°C to 125°C
- Device HBM classification level 2: ±2kV
- Device CDM classification level C6: ≥1000 V
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12.28 M
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