4.5V to 18V Input, 4A,Synchronous Step-Down Converte,SGM61130 Replace TPS54320.
FEATURES

 Low Integrated RDSON Switches: 46mΩ/34mΩ

 Split Rails for Supply (VIN) and Power (PVIN)

  1.8V to 18V Range for PVIN

  4.5V to 18V Range for VIN

 200kHz to 2MHz Switching Frequency

 External Clock Synchronization

 Voltage Tracking Capability

 0.8V Internal Reference Voltage

 ±1% Reference Voltage Accuracy

 3.4μA (TYP) Shutdown Current

 Hiccup Mode Current Limit

 Monotonic Startup with Pre-biased Outputs

 Adjustable Soft-Start Time

 Power Sequencing Capability

 Power Good Output Monitor for Under-Voltage 

  and Over-Voltage Protections

 Adjustable Input Under-Voltage Lockout (UVLO)

 -40℃ to +125℃ Operating Temperature Range

 Available in a Green TQFN-3.5×3.5-14L Package


PIN CONFIGUTION
优势替代
TPS54320 TPS54320.pdf

No.11545

FEATURES

1• Integrated 57-mΩ / 50-mΩ MOSFETs

• Split Power Rail: 1.6 to 17 V on PVIN

• 200-kHz to 1.2-MHz Switching Frequency

• Synchronizes to External Clock

• 0.8-V Voltage Reference With ±1% Accuracy

• Low 2-μA Shutdown Quiescent Current

• Hiccup Overcurrent Protection

• Monotonic Start-Up into Prebiased Outputs

• –40°C to 150°C Operating Junction Temperature

  Range

• Pin-to-Pin Compatible With the TPS54620

• Adjustable Slow Start/Power Sequencing

• Power Good Output for Undervoltage and

  Overvoltage Monitoring

• Adjustable Input Undervoltage Lockout (UVLO)

• Supported by SwitcherPro™ Software Tool

• For SWIFT™ Documentation and SwitcherPro,

  Visit www.ti.com/swift

• Create a Custom Design Using the TPS54320

  With the WEBENCH® Power Designer

PIN CONFIGUTION
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