X322512MSB4SI

Part: TPS54302 — Texas Instruments

Type: Synchronous Buck Converter

Description: 4.5–28 V input, 3 A synchronous buck converter with integrated 85-mΩ/50-mΩ MOSFETs.

Operating Conditions:

• Supply voltage: 4.5–28 V
• Operating temperature: –40 to +125 °C
• Max output current: 3 A
• Switching frequency: 500 kHz

Absolute Maximum Ratings:

• Max supply voltage: 30 V
• Max continuous current: 3 A
• Max junction/storage temperature: 150 °C

Key Specs:

• Input Voltage Range (VIN): 4.5 V to 28 V
• Output Current (IOUT): 3 A
• Switching Frequency (fSW): 500 kHz (typ)
• High-Side MOSFET On-Resistance (RDS(on)HS): 85 mΩ (typ, VIN = 12 V, IOUT = 3 A, TJ = 25°C)
• Low-Side MOSFET On-Resistance (RDS(on)LS): 50 mΩ (typ, VIN = 12 V, IOUT = 3 A, TJ = 25°C)
• Feedback Voltage (VFB): 0.8 V (typ, IOUT = 0 A, TJ = 25°C)
• Quiescent Current (IQ): 100 μA (typ, VIN = 12 V, VFB = 0.8 V, IOUT = 0 A, TJ = 25°C)

Features:

• Integrated 85-mΩ/50-mΩ MOSFETs
• Up to 3-A Continuous Output Current
• Fixed 500-kHz Switching Frequency
• Adjustable Output Voltage Down to 0.8 V
• Low Quiescent Current: 100 μA
• Internal Soft Start
• Power Good Output
• Thermal Shutdown Protection

Applications:

• Industrial Power Systems
• Consumer Applications
• Set-Top Boxes
• Printers

Package:

• SOT-23-6

• ~ Dimensions: 3.20 x 2.50 x 0.70 mm
• ~ Standard Frequency: 8 ~ 64MHz
• -Communication