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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
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
53007 TI PC B8-8315 No.A0819-1/8
LV5051T
Overview
The LV5051T is a power supply IC for portable CD players.
Function
2.5V step-up/down DC-DC converter
VG step-up circuit for POWER MOSFET driving
2.8V/3.9V regulator control circuit (with switching terminal)
Undervoltage lockout (UVLO) circuit (PVCC1)
ACDET detection output terminal
Microcontroller RESET output terminal
2.5V (OUT2) pin control input terminal
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Battery supply voltage
VPVCC1 max
4.6
V
AC adaptor voltage
VPVCC2 max
9
V
Predriver voltage
VG max
9.6
V
Output current 1
IOUT1 max
0.1
A
Output current 2
IOUT2 max
0.1
A
Allowable power dissipation
Pd max1
800
mW
Operating temperature
Topr
Ta = 25
°C *
-20 to +85
°C
Storage temperature
Tstg
-40 to +150
°C
Reset output current
IRSTOUT
400
μA
* : Mounted on a board : 76.1
×114.3×1.6mm3, glass epoxy board
Bi-CMOS IC
For portable CD players
Power Supply IC
Ordering number : ENA0819