LV56351HA Datasheet, PDF (1/9 Pages) Sanyo Semicon Device – 1ch DC/DC boost converter

Ordering number : ENA2145
LV56351HA
Bi-CMOS IC
1ch DC/DC boost converter
http://onsemi.com
Overview
LV56351HA integrates 1ch DC/DC boost converter and 1ch LDO. It is suitable as the power supply for BS/CS
antennas of LCD/PDP TV and BD recorders that require automatic recovery without IC destruction and malfunction
when the output is short-circuited.
Functions
[DC/DC boost converter]
• Soft-start time: 2.8ms
• Frequency 425kHz operation
• Pulse by pulse over current limiter
• Short circuit protector (SCP)
[LDO]
• Over current limiter (Fold back)
[All]
• Under voltage lockout
• Thermal shutdown protector
• Power good
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC maximum supply voltage
VCC max
LDOIN maximum input voltage
VLDOIN max
SW maximum voltage
VSW max
Allowable power dissipation
Pd max
*1
-0.3 to 25
V
-0.3 to 30
V
-0.3 to 30
V
1.45
W
Operating temperature
Topr
-30 to +85
°C
Operating junction temperature Tjopr
-30 to +125
°C
Storage temperature
Tstg
-40 to +150
°C
Allowable
pin
voltage
VCC, EN
SW, LDOIN, LDOOUT
IN1, IN2, FB, SCP, PGOOD, DDCTL
25
V
30
V
6
V
*1 Mounted on a specified board : 32mm × 38mm × 1.6mm, glass epoxy, double side board.
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
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
O3112NKPC 20121009-S00001 No.A2145-1/9