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1、L1653A POWER OPERATIONAL AMPLIFIEROUTPUT CURRENT UP TO 3A LARGE COMMON-MODE AND DIFFERENTIAL MODE RANGES SOA PROTECTION THERMAL PROTECTION 18V SUPPLYDESCRIPTION The L165 is a monolithic integrated circuit in Pentawatt package, intended for use as power operational amplifier in a wide range of applic
2、a- 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.October 1991PentawattORDERING NUMBER : L165VSymbolParameterValueUnit VsSupply voltage 18VV
3、5 V4Upper power transistor VCE36V V4 V3Lower power transistor VCE36VViInput voltageVs VjDifferential input voltage 15VIoPeak output current (internally limited)3.5A PtotPower dissipation at Tcase = 90C20WTstg, TjStorage and junction temperature-40 to 150CABSOLUTE MAXIMUM RATINGSAPPLICATION CIRCUITS
4、Figure 2. Unity gain configuration.Figure 1. Gain 10.1/9SymbolParameterValueUnitRth-j-caseThermal resistance junction-casemax3C/WTHERMAL DATA2/9PIN CONNECTION (top view)SCHEMATIC DIAGRAML165SymbolParameterTest ConditionsMin.Typ.Max.UnitVsSupply Voltage 6 18VIdQuiescent Drain CurrentVs = 18 V4060mAIb
5、Input Bias Current 0.21AVosInput Offset Voltage 2 10mVIosInput Offset Current 20 200nASRSlew-rateGv = 10 8 V/sGv = 1 () 6 VoOutput Voltage Swingf = 1 kHz Ip = 0.3 AIp = 3 A27 24Vppf = 10 kHz Ip = 0.3 AIp = 3 A27 23VPPRInput Resistance (pin 1)f = 1 KHz100500 KGvVoltage Gain (open loop) 80 dBeNInput N
6、oise VoltageB = 10 to 10 000 Hz2 ViNInput Noise Current 100 pACMRCommon-mode RejectionRg 10 K Gv = 30 dB 70 dBSVRSupply Voltage RejectionRg = 22 K Vripple = 0.5 Vrms fripple = 100 HzGv = 10 60dBdBdB Gv = 100 40 dBEfficiencyf = 1 kHz RL = 4 Ip = 1.6 A; Po = 5W 70 %Ip = 3 A; Po = 18 W 60 %TsdThermal S
7、hut-down Case TemperaturePtot = 12 W 110 C Ptot = 6 W 130 ELECTRICAL CHARACTERISTICS (VS = 15 V, Tj = 25 C unless otherwise specified)3/9L1654/9Figure 3. Open loop frequency response.Figure 4. Closed loop frequency response (circuit of figure 2).Figure 5. Large signal frequency response.Figure 6. Ma
8、ximum 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.L165Figure 9. Bidirectional DC motor control with TTL/CMOS/P compatib
9、le inputs.Must be VS2 VS1 E1, E2 = logic inputsVS1 = logic supply voltageFigure 10. Motor current control circuit with external power transistors (Imotor 3.5A).D1 to D4 : VF 1.2 I = 4Atrr 500 nsNote : The inputvoltage level is compatible with L291 (5-BIT D/A converter).The transfer function is : IM
10、Vi= R4Rx R35/9L1656/9Figure 11. High current tracking regulator.A : for 18 Vi 32Note : Vz must be chosen in order to verify2 Vi-Vz 36VB : for Vi 18V Figure 12. Bidirectional speed control of DC motor (Compensation networks not shown).D1, D2 : VF 1.2V I = 2Atrr 500 nsFigure 13. Split power supply.L16
11、5Figure 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 K, f = 25 Hz with C1 = 10 nF, P2 = 0)7/9L1658/9DIM.mminchMIN.TYP.MAX.MIN.TYP.MAX.A4.80.189C1.370.054D2.42.80.0940.110D1
12、1.21.350.0470.053E0.350.550.0140.022F0.81.050.0310.041F111.40.0390.055G3.40.1260.1340.142G16.80.2600.2680.276H210.40.409H310.0510.40.3960.409L17.850.703L115.750.620L221.40.843L322.50.886L52.630.1020.118L615.115.80.5940.622L766.60.2360.260M4.50.177M140.157Dia3.653.850.1440.152PENTAWATT PACKAGE MECHAN
13、ICAL DATAL2L3L5L7L6Dia.ACDED1H3H2FGG1L1LMM1F1L165Information 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 m
14、ay 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
15、. 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 ReservedSGS-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.9/9L165
