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PDF L165 Data sheet ( Hoja de datos )
| Número de pieza | L165 | |
| Descripción | 3A POWER OPERATIONAL AMPLIFIER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de L165 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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L165
3A POWER OPERATIONAL AMPLIFIER
OUTPUT CURRENT UP TO 3A
LARGE COMMON-MODE AND DIFFERENTIAL
MODE RANGES
SOA PROTECTION
THERMAL PROTECTION
± 18V SUPPLY
DESCRIPTION
The L165 is a monolithic integrated circuit in
Pentawatt® package, intended for use as power
operational amplifier in a wide range of applica-
tions, including servo amplifiers and power sup-
plies. The high gain and high output power
capability provide superiore performance wherever
an operational amplifier/power booster combina-
tion is required.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vs Supply voltage
V5 V4 Upper power transistor VCE
V4 V3 Lower power transistor VCE
Vi Input voltage
Vj Differential input voltage
Io Peak output current (internally limited)
Ptot Power dissipation at Tcase = 90°C
Tstg, Tj Storage and junction temperature
APPLICATION CIRCUITS
Figure 1. Gain > 10.
Pentawatt®
ORDERING NUMBER : L165V
Value
± 18
36
36
Vs
± 15
3.5
20
-40 to 150
Unit
V
V
V
V
A
W
°C
Figure 2. Unity gain configuration.
October 1991
1/9
1 page  
Figure 9. Bidirectional DC motor control with TTL/CMOS/µP compatible inputs.
L165
Must be VS2 ≥ VS1 E1, E2 = logic inputs
VS1 = logic supply voltage
Figure 10. Motor current control circuit with external power transistors (Imotor > 3.5A).
D1 to D4 :
VF ≤ 1.2 @ I = 4A
trr ≤ 500 ns
Note : The inputvoltage level is compatible with L291 (5-BIT D/A converter).
The transfer function is : IM = R4
Vi Rx R3
5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet L165.PDF ] | |
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