LA5734MP Datasheet, PDF (2/4 Pages) Sanyo Semicon Device – Monolithic Linear IC Separately-Excited Step-Down Switching Regulator (Variable Type)

LA5734MP
Electrical Characteristics at Ta = 25°C, VO = 1V
Parameter
Symbol
Reference voltage
Switching frequency
VOS
f
Line regulation
Load regulation
Output voltage temperature
coefficient
Ripple attenuation factor
∆VOLINE
∆VOLOAD
∆VO/∆Ta
RREJ
Current limiter operating voltage
Thermal shutdown operating
temperature
Thermal shutdown Hysteresis
width
IS
TSD
∆TSD
* Design target value : No measurement made.
Conditions
VIN = 5V, IO = 1.0A
VIN = 5V, IO = 1.0A
VIN = 5 to 8V, IO = 1.0A
VIN = 5V, IO = 0.5 to 1.5A
Designed target value. *
f = 100 to 120Hz
VIN = 15V
Designed target value. *
Designed target value. *
min
0.775
128
Ratings
typ
0.79
160
10
10
±0.5
45
3.1
165
15
max
0.805
192
30
30
Unit
V
kHz
mV
mV
mV/°C
dB
A
°C
°C
Package Dimensions
unit : mm (typ)
3275
10.0
4.5
1.3
(1.6)
1.7
0.9
0.2
0.4
2.7
1
5
SANYO : SMP5
Pd max - Ta
4.5
Specified sbstrate: 76.1×114.3×1.6mm³
4.0
Copper foil ratio 60% FR4
3.90
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-30-20 0 20 40 60 80 100 120 140 160
Ambient temperature, Ta - °C MSG06072
Pin Assignment
(1) VIN (2) SWOUT (3) GND (4) VOS (5) SS
No.A0589-2/4