sales@hkmjd.com
Service Telephone:86-755-83294757
Trade Name:Synchronous Buck Converters
Brand:TI
Particular Year:24+
Package:WQFN17
Delivery Date:New and Original
Stock: 3000pcs
The TPS543B25TRASR is a high-efficiency 18V, 25A synchronous buck converter with an internally compensated, fixed-frequency Advanced Current Mode (ACM) control architecture that generates output voltages from 0.5V to 7V while operating in FCCM mode for extended periods of time. The device offers high efficiency and operates at switching frequencies up to 2.2MHz, making it suitable for designs that require a small solution size. The fixed frequency controller can operate from 500kHz to 2.2MHz and can be synchronised to an external clock via the SYNC pin. Other features include a high accuracy voltage reference, two-wire remote sensing, selectable soft-start time, monotonic start-up to pre-biased output, selectable current limiting, adjustable UVLO via the EN pin, and full fault protection.
Features
- Integrated 6.5mΩ and 2mΩ MOSFETs
- Input voltage range of 4V to 18V
- Fixed frequency, internal compensation, advanced current mode (ACM) control
- 0.5V to 7V output voltage range
- True differential remote sensing amplifier (RSA)
- Three selectable PWM ramp options to optimise control loop performance
- Five selectable switching frequencies: 500kHz, 750kHz, 1MHz, 1.5MHz, and 2.2MHz
- Synchronised to an external clock
- 0.5V with ±0.5% voltage reference accuracy over the full temperature range
- 1ms, 2ms, 4ms and 8ms selectable soft-start times
- Monotonic start-up to pre-biased output
- Selectable current limit supporting 25A and 20A operation
- Enable Terminal with Adjustable Input Undervoltage Lockout
- Power Normal Output Monitor
- Output overvoltage, output undervoltage, input undervoltage, overcurrent, and overheat protection
-40°C to 150°C operating junction temperature range
- 2.5mm × 4.5mm, 17-pin WQFN-HR package with 0.5mm pitch
Simplified Application
Applications
- Wireless and wired communications infrastructure equipment
- Fibre-optic networks
- Test and measurement
- Medical and healthcare
Model
Brand
Package
Quantity
Describe
MPS
QFN-14
3000
36V, 5A, low static current, synchronous buck converter compliant with AEC-Q100 certification
TI
WQFN-13
3000
Buck Switching Regulator IC Positive Adjustable (Fixed) 1V (5V) 1 Output 2A 14-PowerTFQFN
TI
VQFN-14
3000
Buck Switching Regulator IC Positive Adjustable (Fixed) 1V (5V) 1 Output 2A 14-PowerTFQFN
TI
SOT-583
3000
Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 2A SOT-583
TI
VQFN-16
3000
Buck Switching Regulator IC Positive Programmable 0.4V 1 Output 15A 16-TFQFN
TI
6-DSBGA
3000
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 600mA 6-XFBGA, DSBGA
TI
SOT-583
3000
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A SOT-583
TI
WQFN-24
3000
Buck Switching Regulator IC Positive Adjustable 0.4V 1 Output 15A 24-PowerWFQFN
TI
WQFN-24
1500
Automotive 2.7V to 6V input, 15A stackable synchronous buck converter
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