LM5140-Q1
Overview
The LM5140-Q1 is a dual synchronous buck controller intended for high voltage wide VIN stepdown converter applications. The control method is based on current mode control.
- 1 Qualified for Automotive Applications
- AEC-Q100 Test Guidance With the Following - Device Temperature Grade 1: -40ºC to +125ºC Ambient Operating Temperature - Device HBM ESD Classification Level 2 - Device CDM ESD Classification Level C4B
- Input Operating Range from 3.8 V to 65 V (70 V Absolute Maximum)
- Two Interleaved Buck Controllers With: - VOUT1 Fixed 3.3 V, 5 V, or Adjustable from 1.5 V - 15 V, Accuracy ±1% - VOUT2 Fixed 5 V, 8 V, or Adjustable from 1.5 V - 15 V, Accuracy ±1%
- Fixed 2.2-MHz or 440-kHz Switching Frequency, Accuracy ±7%
- Optional Synchronization to an External Clock
- SYNC Output Clock for Additional Converters
- Shutdown Mode Current: 9 µA Typical
- No Load Standby Current: 35 µA Typical (One Channel Operating)
- Current Limit Threshold Programmable to 50 mV or 75 mV, Accuracy ±10%
