LV5761V_0909 Datasheet, PDF (1/6 Pages) Sanyo Semicon Device – 1-channel Step-down Switching Regulator

Ordering number : ENA1443A
LV5761V
Bi-CMOS LSI
1-channel Step-down Switching
Regulator
Overview
The LV5761V 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.
• Synchronous drive by external signal.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
supply voltage
Allowable Power dissipation
Symbol
VIN max
Pd max
Conditions
Mounted on a specified board. *
Operating temperature
Topr
Storage temperature
Tstg
* Specified board: 114.3mm × 76.1mm × 1.6mm, glass epoxy board
Ratings
Unit
45
V
0.74
W
-40 to +85
°C
-55 to +150
°C
Recommended Operating Range at Ta = 25°C
Parameter
Supply voltage range
Error amplifier input voltage
Symbol
VIN
Conditions
Ratings
Unit
8.5 to 42
V
0 to 1.6
V
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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
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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.
90909 SY / 41509 MS 20090401-S00011 No.A1443-1/6