SNVSB88A August 2021 – October 2021 LM5158-Q1 , LM51581-Q1
PRODUCTION DATA
The LM5158x-Q1 device is a wide input range, non-synchronous boost converter with an integrated 85-V, 3.26-A (LM5158-Q1) or 85-V, 1.63-A (LM51581-Q1) power switch.
The device can be used in boost, SEPIC, and flyback topologies. It can start up from a single-cell battery with a minimum of 3.2 V. It can operate with the input supply voltage as low as 1.5 V if the BIAS pin is greater than 3.2 V.
The BIAS pin operates up to 60 V (65-V absolute maximum) for automotive load dump. The switching frequency is dynamically programmable from 100 kHz to 2.2 MHz with an external resistor. Switching at 2.2 MHz minimizes AM band interference and allows for a small solution size and fast transient response. The device provides a selectable Dual Random Spread Spectrum to help reduce the EMI over a wide frequency range.
PART NUMBER | PACKAGE(1) | BODY SIZE (NOM) |
---|---|---|
LM5158-Q1 | WQFN (16) | 3.00 mm × 3.00 mm |
LM51581-Q1 |