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tÉlÉcharger la4440 datasheet pdf

Ordering number : EN750F
LA4440
Monolithic Linear IC
6W 2-Channel, Bridge 19W(typ)
Power Amplifier
Features
http://onsemi.com
Package Dimensions
 Built-in 2 channels (dual) enabling use in stereo and bridge
amplifier applications.
Dual
: 6W2 (typ)
Bridge : 19W (typ)
 Minimum number of external parts required.
 Small pop noise at the time of power supply ON/OFF and
good starting balance.
 Good ripple rejection : 46dB (typ)
 Good channel separation.
 Small residual noise (Rg=0).
 Low distortion over a wide range from low frequencies to
high frequencies.
 Easy to design radiator fin.
 Built-in audio muting function.
 Built-in protectors.
a. Thermal protector
b. Overvoltage, surge voltage protector
c. Pin-to-pin short protector
unit : mm
Specifications
Absolute Maximum Ratings at Ta = 25C
Parameter
Symbol
Conditions
Ratings
unit
Maximum supply voltage
VCC max1
VCC max2
Quiescent (t=30s)
25
V
Operating
18
V
Surge supply voltage
VCC (surge)
t ≤ 0.2s
50
V
Allowable power dissipation
Pd max
Tc=75°C, See Pd max – Ta characteristic
15
W
Thermal resistance
j-c
Junction-to-case
3
°C/W
Operating temperature
Topr
–20 to +75
C
Storage temperature
Tstg
–40 to +150
C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed,
damage may occur and reliability may be affected.
Recommended Operating Conditions at Ta = 25C
Parameter
Supply voltage
Load resistance
Symbol
Conditions
VCC
RL
Ratings
unit
13.2
V
Stereo
2 to8

Bridge
4 to 8

Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended
Operating Ranges limits may affect device reliability.
ORDERING INFORMATION
See detailed ordering and shipping information on page 13 of this data sheet.
Semiconductor Components Industries, LLC, 2013
July, 2013
21500TH(KT)/90196RM/33194HO/8064KI/3233KI/O070KI,TS No.750-1/13
LA4440
Operating Characteristics at Ta = 25˚C, VCC=13.2V, RL=4Ω, f=1kHz, Rg=600Ω, with 100×100×1.5mm3 Al fin,
See specified Test Circuit.
Parameter
Symbol
Quiescent current