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 applications, including servo amplifiers and power supplies. The high gain and high output power capability provide superiore performance wherever an operational amplifier/power booster combination is required. Pentawatt® ORDERING NUMBER : L165V ABSOLUTE MAXIMUM RATINGS Symbol Vs Supply voltage V5 V4 Upper power transistor VCE V4 V3 Lower power transistor VCE Vi Input voltage Vj Differential input voltage Io Ptot Tstg, Tj Parameter Value Unit ± 18 36 36 Vs V V Power dissipation at Tcase = 90°C ± 15 3.5 20 A W Storage and junction temperature -40 to 150 °C Peak output current (internally limited) APPLICATION CIRCUITS Figure 1. Gain > 10. October 1991 V V Figure 2. Unity gain configuration. 1/9 L165 PIN CONNECTION (top view) SCHEMATIC DIAGRAM THERMAL DATA Symbol Rth-j-case 2/9 Parameter Thermal resistance junction-case max Value Unit 3 °C/W L165 ELECTRICAL CHARACTERISTICS (VS = ± 15 V, Tj = 25 °C unless otherwise specified) Symbol Parameter Vs Supply Voltage Id Quiescent Drain Current Ib Input Bias Current Test Conditions Min. Typ. Max. Unit ± 18 V 40 60 mA 0.2 1 µA ±6 Vs = ± 18 V Vos Input Offset Voltage ±2 ± 10 mV Ios Input Offset Current ± 20 ± 200 nA SR Slew-rate Vo Output Voltage Swing R Input Resistance (pin 1) Gv Voltage Gain (open loop) eN Input Noise Voltage iN Input Noise Current Gv = 10 8 Gv = 1 (°) 6 f = 1 kHz Ip = 0.3 A Ip = 3 A 27 24 Vpp f = 10 kHz Ip = 0.3 A Ip = 3 A 27 23 VPP 500 KΩ 80 dB 2 µV 100 pA Gv = 30 dB 70 dB Gv = 10 60 dB Gv = 100 40 dB Ip = 1.6 A; Po = 5W 70 % Ip = 3 A; Po = 18 W 60 % Ptot = 12 W 110 °C Ptot = 6 W 130 B = 10 to 10 000 Hz Common-mode Rejection Rg ≤ 10 KΩ SVR Supply Voltage Rejection Rg = 22 KΩ Vripple = 0.5 Vrms fripple = 100 Hz Tsd Thermal Shut-down Case Temperature 100 f = 1 KHz CMR Efficiency V/µs f = 1 kHz RL = 4 Ω dB dB 3/9 L165 Figure 3. Open loop frequency response. Figure 4. Closed loop frequency response (circuit of figure 2). F ig ure 5. L arge si gnal fre quency response. Figure 6. Maximum output current vs. vo ltage [VCE] across each output transistor. Figure 7. Safe operating area and collector characteristics of the protected power transistor. Figure 8. Maximum allowable power dissipation vs. ambient temperature. 4/9 L165 Figure 9. Bidirectional DC motor control with TTL/CMOS/µP compatible inputs. 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 Vi = R4 Rx R3 5/9 L165 Figure 11. High current tracking regulator. A : for ± 18 ≤ Vi ± 32 Note : Vz must be chosen in order to verify 2 Vi-Vz ≤ 36V B : for Vi ≤ ± 18V Figure 13. Split power supply. 6/9 Figure 12. Bidirectional speed control of DC motor (Compensation networks not shown). D1, D2 : VF ≤ 1.2V @ I = 2A trr ≤ 500 ns L165 Figure 14. Power squarewave oscillator with independent adjustments for frequency and duty-cycle. P1 : duty-cycle adjust P2 : frequency adjust (f = 700 Hz with C1 = 10 nF, P2 = 100 KΩ, f = 25 Hz with C1 = 10 nF, P2 = 0) 7/9 L165 PENTAWATT PACKAGE MECHANICAL DATA mm DIM. MIN. inch TYP. MAX. A 4.8 C 1.37 D 2.4 MIN. TYP. 0.189 0.054 2.8 0.094 0.110 D1 1.2 1.35 0.047 0.053 E 0.35 0.55 0.014 0.022 F 0.8 1.05 0.031 0.041 F1 1 1.4 G 3.4 G1 6.8 H2 H3 0.039 0.055 0.126 0.134 0.260 0.268 10.4 10.05 0.142 0.276 0.409 10.4 0.396 0.409 L 17.85 0.703 L1 15.75 0.620 L2 21.4 0.843 L3 22.5 0.886 L5 2.6 3 L6 15.1 15.8 0.594 0.622 L7 6 6.6 0.236 0.260 M 0.102 0.118 4.5 M1 Dia 0.177 4 0.157 3.65 3.85 0.144 0.152 E L D1 C D M A M1 L1 L5 L2 L6 F H2 F1 L7 G1 G H3 L3 Dia. 8/9 MAX. L165 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. © 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A. 9/9