LV5768M Datasheet, PDF (1/15 Pages) Sanyo Semicon Device – 1-channel Step-down Switching Regulator

Ordering number : ENA1988
LV5768M
Bi-CMOS LSI
1-channel Step-down
Switching Regulator
http://onsemi.com
Overview
The LV5768M 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.
• Synchronous rectification
• Current mode control
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Supply voltage
VIN, SW
HDRV, CBOOT
LDRV
Between CBOOT to SW
Between CBOOT to HDRV
EN, ILIM
Between VIN to ILIM
VDD
SS, FB, COMP,RT
Allowable Power dissipation
Operating temperature
Storage temperature
Symbol
VIN max
Pd max
Topr
Tstg
Conditions
Mounted on a specified board. *
* Specified board : 114.3mm × 76.1mm × 1.6mm, glass epoxy board.
Ratings
Unit
45
V
45
V
52
V
6.0
V
6.0
V
VIN+0.3
V
1.0
V
6.0
V
VDD+0.3
V
0.9
W
-40 to +85
°C
-55 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Semiconductor Components Industries, LLC, 2013
August, 2013
D0711 SY 20091029-S00002 No.A1988-1/15