UCC28C41QDRQ1
The UCC28C41 is a BiCMOS current-mode PWM controller, pin-compatible with the UC284x family, featuring 7-V startup, 50-uA start-up current and up to 1-MHz operation with a ±1% reference. The -Q1 automotive grade operates from -40°C to +125°C and is housed in an 8-pin SOIC, used for isolated and single-ended DC-DC converters in automotive and industrial power supplies.
- Package
- SOIC-8
Product overview
The UCC28C41 is a BiCMOS current-mode PWM controller, pin-compatible with the UC284x family, featuring 7-V startup, 50-uA start-up current and up to 1-MHz operation with a ±1% reference. The -Q1 automotive grade operates from -40°C to +125°C and is housed in an 8-pin SOIC, used for isolated and single-ended DC-DC converters in automotive and industrial power supplies.
- Manufacturer
- TI
- Part number
- UCC28C41QDRQ1
- Category
- Power Management
- Package
- SOIC-8
- Packaging
- Tape & Reel
- Condition
- New & Original
- Compliance
- RoHS Compliant
- Lifecycle
- Confirm with manufacturer
- Lead time / MOQ
- Confirm with quotation
Technical parameters
43 parametersConstruction
- Output energy (capacitive load)
- 5 µJ
- D package
- 72.3
- DGK package
- 98.1
- Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001
- ±2500
- UCC28C4x
- 125
- UCC38C4x
- 85
- Line regulation VVDD = 12V to 18V
- 0.2 mV
- Load regulation 1mA to 20mA
- 3 mV
- Total output variation See
- 5.18 V
- Long term stability 1000 hours, TJ = 125°C, see
- 5 mV
- fOSC Initial accuracy TJ = 25°C, see
- 53 kHz
- ACS Gain See (5)
- 3 V/V
- VCS Maximum input signal VFB < 2.4V
- 1 V
- PSRR Power supply rejection ratio VVDD = 12V to 18V(2)
- 70 dB
- tD CS to output delay
- 35 ns
- COMP to CS offset VCS = 0V
- 1.15 V
- VOUT(low) RDS(on) pulldown ISINK = 200mA
- 5.5 Ω
- VOUT(high) RDS(on) pullup ISOURCE = 200mA
- 10 Ω
- tRISE Rise tIme TJ = 25°C, COUT = 1nF
- 25 ns
- tFALL Fall tIme TJ = 25°C, COUT = 1nF
- 20 ns
- UCCx8C42, UCCx8C44
- 14.5
- VDDON Start threshold UCCx8C43, UCCx8C45
- 8.4 V
Performance
- Input voltage
- 20 V
- Input current
- 30 mA
- Output drive current (peak)
- ±1 A
- Analog input voltage COMP, CS, FB
- 6.3
- Output driver voltage
- 20 V
- Reference voltage
- 7
- Error amplifier output sink current
- 10 mA
- Lead temperature (soldering, 10 s)
- 300 °C
- Operating junction temperature
- 150 °C
- Storage temperature, Tstg
- 150 °C
- VVDD Input voltage
- 18 V
- VOUT Output driver voltage
- 18 V
- VREF Maximum continuous voltage from external circuitry
- 5.5 V
- IOUT Average output driver current (source and sink)
- 200 mA
- IOUT(VREF) Reference output current (source)
- 20 mA
- VVREF VREF voltage, initial accuracy TJ = 25°C, IOUT = 1mA
- 5 V
- Temperature stability See
- 0.2 °C
- VREF noise voltage 10Hz to 10kHz, TJ = 25°C, see
- 50 µV
- IVREF Output short circuit (source current)
- 45 mA
- Voltage stability 12V ≤ VVDD ≤18V
- 1%
- ICS Input bias current (source current)
- 0.1 µA
Specifications & documentation
Use the official manufacturer documentation to verify electrical characteristics, package dimensions and operating limits before design approval.
Request confirmation of current stock, date code, packaging, price and delivery terms. Product information does not constitute a binding offer; final specifications are confirmed with your quotation.