SGS Thomson Microelectronics L165 Datasheet
L165
3A POWER OPERATIONAL AMPLIFIER
OUTPUT CURRENT UP TO 3A
LARGE COMMON-MODE AND DIFFERENTIAL
MODE RANGES
SOA PROTECTION
THERMAL PROTECTION
± 18V SUPPLY
Pentawatt
DESCRIPTION
The L165 is a monolithic integrated circuit in
Pentawatt® package, intended for use as power
operational amplifier in a wide range of applications, including servo amplifiers and power supplies. The high gain and high output power
capability provide superiore performance wherever
an operational amplifier/power booster combina-
ORDERING NUMBER : L165V
tion is required.
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
Supply voltage
s
V5 V4Upper power transistor V
V
V3Lower power transistor V
4
V
Input voltage V
i
V
Differential input voltage
j
Peak output current (internally limited) 3.5 A
I
o
P
Power dissipation at T
tot
, TjStorage and junction temperature -40 to 150
T
stg
case
CE
CE
= 90°C
± 18
36 V
36 V
s
± 15
20 W
®
°C
V
V
APPLIC ATION CIRCUIT S
October 1991
Figure 2. Unity gain configuration.Figure 1. Gain > 10.
1/9
L165
PIN CON NECTION (top view)
SCHEMATIC DIAGRAM
THERMAL DATA
Symbol Parameter Value Unit
2/9
R
th-j-case
Thermal resistance junction-case max 3
°C/W
ELECTRICAL CHARACT E RI STIC S (VS = ± 15 V, Tj = 25 °C unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
L165
V
V
I
Supply Voltage
s
I
Quiescent Drain Current
d
I
Input Bias Current 0.2 1
b
Input Offset Voltage
os
Input Offset Current
os
SR Slew-rate G
V
Output Voltage Swing f = 1 kHz Ip = 0.3 A
o
R Input Resistance (pin 1)
G
e
Voltage Gain (open loop) 80 dB
v
Input Noise Voltage
N
Input Noise Current 100 pA
i
N
CMR Common-mode Rejection
SVR Supply Voltage Rejection
± 6
40 60 mA
V
= ± 18 V
s
± 2 ± 10
± 20 ± 200
= 10 8
v
G
= 1 (°)
v
f = 10 kHz I
f = 1 KHz
B = 10 to 10 000 Hz
R
≤ 10 KΩ
g
= 22 KΩ
R
g
V
= 0.5 V
f
ripple
ripple
= 100 Hz
rms
6
27
I
I
= 3 A
p
= 0.3 A
p
= 3 A
p
24
27
23
100 500
2
G
= 30 dB 70 dB
v
= 10 60 dB dB
G
v
dB Gv = 100 40 dB
± 18
V
µA
mV
nA
V/µs
V
V
pp
PP
KΩ
µV
Efficiency
I
T
Thermal Shut-down Case
sd
Temperature
f = 1 kHz
R
= 4 Ω
L
P
= 12 W 110
tot
= 6 W 130
P
tot
= 1.6 A; Po = 5W 70 %
I
p
= 3 A; Po = 18 W 60 %
p
°C
3/9
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