www.
DataSheet.
co.
kr
Ordering number : ENA1684
Bi-CMOS LSI
LV5749NV
Application
1-channel Step-down Switching
Regulator
The LV5749NV is a 1-channel step-down switching
regulator.
Functions
• 1 channel step-down switching
regulator controller.
• Load-independent soft start circuit.
• ON/OFF function.
• Built-in pulse-by-pulse OCP circuit.
It is detected by using ON resistance of an external MOS.
• Synchronous rectification.
• Current mode control.
• Synchronous drive by external signal.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter supply voltage Allowable Power dissipation Operating temperature Storage temperature Symbol VIN max Pd max Topr Tstg Mounted on a specified ...