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 V ORDERING NUMBER: L165V APPLICATION CIRCUITS Figure 1. Gain > 10. July 2003 Figure 2. Unity gain configuration. 1/9 L165 ABSOLUTE MAXIMUM RATINGS Symbol VS Parameter Supply voltage Value Unit ± 18 V V5 V4 Upper power transistor VCE 36 V V4 V3 Lower power transistor VCE 36 V Vi Input voltage VS Vj Differential input voltage ± 15 V Io Peak output current (internally limited) 3.5 A Ptot Power dissipation at Tcase = 90°C 20 W Tstg, Tj Storage and junction temperature -40 to 150 °C Value Unit 3 °C/W PIN CONNECTION (Top view) SCHEMATIC DIAGRAM THERMAL DATA Symbol Rth-j-case 2/9 Parameter Thermal resistance junction-case max L165 ELECTRICAL CHARACTERISTCS (VS = ± 15 V, Tj = 25 °C unless otherwise specified) Symbol Parameter VS Supply Voltage Id Quiescent Drain Current Ib Input Bias Current Test Condition Min. Typ. ±6 VS = ±18 V Max. Unit ± 18 V 40 60 mA 0.2 1 µA Vos Input Offset Voltage ±2 ± 10 mV Ios Input Offset Current ± 20 ± 200 nA SR Slew-rate Vo Output Voltage Swing Gv = 10 8 Gv = 1 (°) 6 Vpp f = 1kHz Ip = 0.3A 27 24 Ip = 3A Vpp f = 10kHz Ip = 0.3A 27 24 Ip = 3A R Input Resistance (pin 1) Gv Voltage Gain (open loop) eN Input Noise Voltage B = 10 to 10 000 Hz iN Input Noise Current CMR SVR 100 500 KΩ 80 dB 2 µV f = 1 KHz 100 pA Common-mode Rejection Rg ≤ 10 KΩ; GV = 30 dB 70 dB Supply Voltage Rejection Rg = 22 KΩ; Vripple = 0.5 Vrms fripple = 100 Hz Gv = 10 Gv = 100 60 40 dB dB 70 60 % % Ptot = 12 W 110 °C Ptot = 6 W 130 °C Efficiency Tsd f = 1 KHz V/µs Thermal Shut-down Case Temperature f = 1 kHz; RL = 4Ω Ip = 1.6 A; Po = 5W Ip = 1.6 A; Po = 18W 3/9 L165 Figure 3. Open loop frequency response. Figure 4. Closed loop frequency response (circuit of figure 2). Figure 5. Large signal frequency response. 4/9 Figure 6. Maximum output current vs. voltage [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. 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 ≤ 500ns Note : The inputvoltage level is compatible with L291 (5-BIT D/A converter). IM R4 The transfer function is: ----= ----------------Rx R 3 Vi 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 12. Bidirectional speed control of DC motor (Compensation networks not shown). D1 to D4: VF ≤ 1.2 @ I = 2A trr ≤ 500ns 6/9 L165 Figure 13. Split power supply. 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 = 100KΩ, f = 25 Hz with C1 = 10 nF, P2 = 0) 7/9 L165 DIM. A C D D1 E E1 F F1 G G1 H2 H3 L L1 L2 L3 L4 L5 L6 L7 L9 L10 M M1 V4 V5 Dia MIN. mm TYP. 2.4 1.2 0.35 0.76 0.8 1.0 3.2 6.6 3.4 6.8 10.05 17.55 15.55 21.2 22.3 17.85 15.75 21.4 22.5 2.6 15.1 6.0 2.1 4.3 4.23 3.75 4.5 4.0 3.65 MAX. MIN. 4.8 1.37 2.8 0.094 1.35 0.047 0.55 0.014 1.19 0.030 1.05 0.031 1.4 0.039 3.6 0.126 7.0 0.260 10.4 10.4 0.396 18.15 0.691 15.95 0.612 21.6 0.831 22.7 0.878 1.29 3.0 0.102 15.8 0.594 6.6 0.236 2.7 0.008 4.8 0.17 4.75 0.167 4.25 0.148 40˚ (typ.) 90˚ (typ.) 3.85 0.144 inch TYP. 0.134 0.268 0.703 0.620 0.843 0.886 0.178 0.157 MAX. 0.189 0.054 0.110 0.053 0.022 0.047 0.041 0.055 0.142 0.276 0.409 0.409 0.715 0.628 0.850 0.894 0.051 0.118 0.622 0.260 0.106 0.189 0.187 0.167 OUTLINE AND MECHANICAL DATA Weight: 2.00gr Pentawatt V 0.152 L L1 E M1 A M D C D1 L5 V5 L2 H2 L3 F E E1 V4 H3 G G1 Dia. F F1 L9 L4 L10 L7 L6 H2 V4 RESIN BETWEEN LEADS PENTVME 0015981 8/9 L165 Information furnished is believed to be accurate and reliable. However, STMicroelectronics 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 STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. STMicroelectronics acknowledges the trademarks of all companies referred to in this document. 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