LV5744V Datasheet, PDF (1/6 Pages) Sanyo Semicon Device – Bi-CMOS LSI 2-channel Step-down Switching Regulator

Ordering number : ENA1241
LV5744V
Bi-CMOS LSI
2-channel Step-down Switching
Regulator
Overview
The LV5744V is a 2-channel step-down switching regulator.
Features
• Provides dual switching regulator control circuits integrated on the chip.
• Output-stage push-pull structure enabling high efficient operation.
• Provides power supply (VCC-5V) for protecting the external P channel MOS gate.
• Built-in timer latch type SCP (short-circuit protection circuit)
• Built-in UVLO (Low voltage malfunction prevention circuit)
• Built-in reference voltage circuit
• Max_On_Duty is adjustable.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Output voltage
Allowable power dissipation
Symbol
VCC max
VO max
Pd max
Conditions
Mounted on a specified board *
Operating temperature
Topr
Storage temperature
Tstg
Allowable pin voltage
1
CT, NON1, NON2,
INV1, INV2, FB1, FB2,
DT1, DT2, SCP, VREF
2
VCC-5V
3
GND, OUT1, OUT2,
VCC
* : Specified board : 114.3×76.1×1.6mm³, glass epoxy board
Ratings
Unit
35
V
33
V
0.74
W
-40 to +85
°C
-55 to +150
°C
7
V
30
V
35
V
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
60408 MS 20080423-S00009 No.A1241-1/6