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
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. *
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
* Specified board : 114.3mm × 76.1mm × 1.6mm, glass epoxy board.
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"standard application", intended for the use as general electronics equipment. The products mentioned herein
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Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
D0711 SY 20091029-S00002 No.A1988-1/15