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DATA SHEET
LM73605/LM73606 3.5-V to 36-V, 5-A or 6-A Synchronous Step-Down Voltage Converter
1 Features
- New product available: LM61460 60-V, 6-A synchronous converter
- Synchronous rectification
- Wettable flanks QFN package (WQFN)
- Low quiescent current
- 0.8 µA in shutdown (typical)
- 15 µA in active mode with no load (typical)
- Wide voltage conversion range:
- tON-MIN = 60 ns (typical)
- tOFF-MIN = 70 ns (typical)
- Low MOSFET ON-resistance:
- RDS_ON_HS = 53 mΩ (typical)
- RDS_ON_LS = 31 mΩ (typical)
- External bias input to improve efficiency
- Pin-selectable auto mode or forced PWM operation
- Adjustable frequency range: 350 kHz to 2.2 MHz
- Synchronizable to external clock
- Internal compensation
- Power-good flag
- Precision enable to program system UVLO
- Flexible soft-start features:
- Start-up into pre-biased load
- Fixed or adjustable soft-start time
- Output voltage tracking
- Cycle-by-cycle current limiting
- Short-circuit protection with hiccup mode
- Create a custom design with the WEBENCH® power designer using LM73605 or LM73606
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