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TL5001A: No PWM output and no sawtooth on RT pin

Part Number: TL5001A

I am running a TL5001A on +5V VCC and do not see an output or a sawtooth waveform on the RT pin.  DTC is at 1.0 V, COMP is at 1.2 V, SCP and FB are grounded.  In an older design, I used the same configuration, but the VCC was +24 V.  Is the LVLO really 3. 0 V?