lm5045sqx National Semiconductor Corporation, lm5045sqx Datasheet - Page 18

• Manufacturer Part Number: lm5045sqx
• Description: Full-bridge Pwm Controller With Integrated Mosfet Drivers
• Manufacturer: National Semiconductor Corporation

www.national.com
Soft-Stop Off
The Soft-Start Off (SSOFF) pin gives additional flexibility by
allowing the power converter to be configured for hard-stop
during line UVLO and hiccup mode condition. If the SS OFF
FIGURE 8. Stop-Stop Waveforms during a UVLO Event
FIGURE 7. Pre-Bias Voltage Startup Waveforms
18
pin is pulled up to the 5V REF pin, the power converter hard-
stops in any fault condition. Hard-stop drives each control
output to a low state immediately. Refer to Table 1 for more
details.
30145433
30145434