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Ordering number : ENA1448
Bi-CMOS LSI
LV5747TT
Overview
1-channel Step-down Switching
Regulator
The LV5747TT is a 1-channel step-down switching
regulator.
Functions
• 1 channel step-down switching
regulator controller.
• Frequency decrease function at pendent.
• 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.
Specifications
Parameter supply voltage VIN, SW HDRV, CBOOT Allowable pin voltage LDRV
Absolute Maximum Ratings at Ta = 25°C
Symbol VIN max Conditions Ratings 45 45 52 6.
0 6.
0 VIN+0.
3 1.
0 6.
0 VDD+0.
3 Pd max Tj max Topr Tstg Mounted on a specified board.
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