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MC33063_[www.ic5.cn]

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MC33063_[www.ic5.cn] MC33063AVP Plastic DIP Order this document by MC34063A/D ������� ������� DC–to–DC CONVERTER CONTROL CIRCUITS D SUFFIX PLASTIC PACKAGE CASE 751 (SO–8) P, P1 SUFFIX PLASTIC PACKAGE CASE 626 PIN CONNECTIONS SEMICONDUCTOR TECHNICAL DATA 8 1 1 8 1SwitchC...
MC33063_[www.ic5.cn]
MC33063AVP Plastic DIP Order this document by MC34063A/D ������� ������� DC–to–DC CONVERTER CONTROL CIRCUITS D SUFFIX PLASTIC PACKAGE CASE 751 (SO–8) P, P1 SUFFIX PLASTIC PACKAGE CASE 626 PIN CONNECTIONS SEMICONDUCTOR TECHNICAL DATA 8 1 1 8 1SwitchCollector Switch Emitter Timing Capacitor Gnd Driver Collector Ipk Sense VCC Comparator Inverting Input (Top View) Device Operating Temperature Range Package ORDERING INFORMATION MC33063AD MC33063AP1 TA = – 40° to +85°C SO–8 Plastic DIP MC33063AVD TA = –40° to +125°C SO–8 2 3 4 5 6 7 8 MC34063AD SO–8 MC34063AP1 TA = 0° to +70°C Plastic DIP 1MOTOROLA ANALOG IC DEVICE DATA ����� � ��������� ������� � ��� �� The MC34063A Series is a monolithic control circuit containing the primary functions required for DC–to–DC converters. These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. This series was specifically designed to be incorporated in Step–Down and Step–Up and Voltage–Inverting applications with a minimum number of external components. Refer to Application Notes AN920A/D and AN954/D for additional design information. • Operation from 3.0 V to 40 V Input • Low Standby Current • Current Limiting • Output Switch Current to 1.5 A • Output Voltage Adjustable • Frequency Operation to 100 kHz • Precision 2% Reference Representative Schematic Diagram S Q R Q2 Q1 100 Ipk Oscillator CT Comparator + – 1.25 V Reference Regulator 1 2 3 45 6 7 8Drive Collector Ipk Sense VCC Comparator Inverting Input Switch Collector Switch Emitter Timing Capacitor Gnd (Bottom View) This device contains 51 active transistors.  Motorola, Inc. 1996 Rev 5 MC34063A MC33063A 2 MOTOROLA ANALOG IC DEVICE DATA MAXIMUM RATINGS Rating Symbol Value Unit Power Supply Voltage VCC 40 Vdc Comparator Input Voltage Range VIR –0.3 to +40 Vdc Switch Collector Voltage VC(switch) 40 Vdc Switch Emitter Voltage (VPin 1 = 40 V) VE(switch) 40 Vdc Switch Collector to Emitter Voltage VCE(switch) 40 Vdc Driver Collector Voltage VC(driver) 40 Vdc Driver Collector Current (Note 1) IC(driver) 100 mA Switch Current ISW 1.5 A Power Dissipation and Thermal Characteristics Plastic Package, P, P1 Suffix TA = 25°C PD 1.25 W Thermal Resistance RθJA 100 °C/W SOIC Package, D Suffix TA = 25°C PD 625 W Thermal Resistance RθJA 160 °C/W Operating Junction Temperature TJ +150 °C Operating Ambient Temperature Range TA °C MC34063A 0 to +70 MC33063AV –40 to +125 MC33063A –40 to +85 Storage Temperature Range Tstg –65 to +150 °C NOTES: 1. Maximum package power dissipation limits must be observed. 2. ESD data available upon request. ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TA = Tlow to Thigh [Note 3], unless otherwise specified.) Characteristics Symbol Min Typ Max Unit OSCILLATOR Frequency (VPin 5 = 0 V, CT = 1.0 nF, TA = 25°C) fosc 24 33 42 kHz Charge Current (VCC = 5.0 V to 40 V, TA = 25°C) Ichg 24 35 42 µA Discharge Current (VCC = 5.0 V to 40 V, TA = 25°C) Idischg 140 220 260 µA Discharge to Charge Current Ratio (Pin 7 to VCC, TA = 25°C) Idischg/Ichg 5.2 6.5 7.5 – Current Limit Sense Voltage (Ichg = Idischg, TA = 25°C) Vipk(sense) 250 300 350 mV OUTPUT SWITCH (Note 4) Saturation Voltage, Darlington Connection (Note 5) ( ISW = 1.0 A, Pins 1, 8 connected) VCE(sat) – 1.0 1.3 V Saturation Voltage, Darlington Connection (ISW = 1.0 A, RPin 8 = 82 Ω to VCC, Forced β � 20) VCE(sat) – 0.45 0.7 V DC Current Gain (ISW = 1.0 A, VCE = 5.0 V, TA = 25°C) hFE 50 75 – – Collector Off–State Current (VCE = 40 V) IC(off) – 0.01 100 µA NOTES: 3. Tlow = 0°C for MC34063A, – 40°C for MC33063A, AV Thigh = +70°C for MC34063A, + 85°C for MC33063A, +125°C for MC33063AV 4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible. 5. If the output switch is driven into hard saturation (non–Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents (≥ 30 mA), it may take up to 2.0 µs for it to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a non–Darlington configuration is used, the following output drive condition is recommended: *The 100 Ω resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts. Forced � of output switch : IC output IC driver – 7.0 mA * � 10 MC34063A MC33063A 3MOTOROLA ANALOG IC DEVICE DATA ELECTRICAL CHARACTERISTICS (continued) (VCC = 5.0 V, TA = Tlow to Thigh [Note 3], unless otherwise specified.) Characteristics UnitMaxTypMinSymbol COMPARATOR Threshold Voltage TA = 25°C TA = Tlow to Thigh Vth 1.225 1.21 1.25 – 1.275 1.29 V Threshold Voltage Line Regulation (VCC = 3.0 V to 40 V) MC33063A, MC34063A MC33363AV Regline – – 1.4 1.4 5.0 6.0 mV Input Bias Current (Vin = 0 V) IIB – –20 –400 nA TOTAL DEVICE Supply Current (VCC = 5.0 V to 40 V, CT = 1.0 nF, Pin 7 = VCC, VPin 5 > Vth, Pin 2 = Gnd, remaining pins open) ICC – – 4.0 mA NOTES: 3. Tlow = 0°C for MC34063A, – 40°C for MC33063A, AV Thigh = +70°C for MC34063A, + 85°C for MC33063A, +125°C for MC33063AV 4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible. 5. If the output switch is driven into hard saturation (non–Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents (≥ 30 mA), it may take up to 2.0 µs for it to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a non–Darlington configuration is used, the following output drive condition is recommended: *The 100 Ω resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts. Forced � of output switch : IC output IC driver – 7.0 mA * � 10 ton VCC = 5.0 V Pin 7 = VCC Pin 5 = Gnd TA = 25°C toff Figure 1. Output Switch On–Off Time versus Oscillator Timing Capacitor Figure 2. Timing Capacitor Waveform 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 CT, OSCILLATOR TIMING CAPACITOR (nF) , OU TP UT SW ITC H ON -O FF TI ME ( s) on –o ff µ t 10 µs/DIV , OS CI LL AT OR V OL TA GE (V ) OS C 20 0 m V/ DI V V VCC = 5.0 V Pin 7 = VCC Pin 2 = Gnd Pins 1, 5, 8 = Open CT = 1.0 nF TA = 25°C 1000 500 200 100 50 20 10 5.0 2.0 1.0 MC34063A MC33063A 4 MOTOROLA ANALOG IC DEVICE DATA Figure 3. Emitter Follower Configuration Output Saturation Voltage versus Emitter Current Figure 4. Common Emitter Configuration Output Switch Saturation Voltage versus Collector Current Figure 5. Current Limit Sense Voltage versus Temperature Figure 6. Standby Supply Current versus Supply Voltage 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 , SA TU RA TI ON V OL TA GE (V ) CE (sa t) IE, EMITTER CURRENT (A) V VCC = 5.0 V Pins 1, 7, 8 = VCC Pins 3, 5 = Gnd TA = 25°C(See Note 4) , SA TU RA TI ON V OL TA GE (V ) CE (sa t) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 IC, COLLECTOR CURRENT(A) V Darlington Connection Forced β = 20 –55 –25 0 25 50 75 100 125 , CU RR EN T L IM IT SE NS E VO LT AG E (V) IP K(s ens e) TA, AMBIENT TEMPERATURE (°C) V VCC = 5.0 V Ichg = Idischg 0 5.0 10 15 20 25 30 35 40 , SU PP LY CU RR EN T ( mA ) CC VCC, SUPPLY VOLTAGE (V) I CT = 1.0 nF Pin 7 = VCC Pin 2 = Gnd 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 1.1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 400 380 360 340 320 300 280 260 240 220 200 3.6 3.2 2.4 2.0 1.6 1.2 0.8 0.4 0 1.0 2.8 VCC = 5.0 V Pin 7 = VCC Pins 2, 3, 5 = Gnd TA = 25°C(See Note 4) NOTE: 4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible. MC34063A MC33063A 5MOTOROLA ANALOG IC DEVICE DATA 170 µH L 8 180 7 Rsc 0.22 6Vin 12 V 100 + 5 R1 2.2 k R2 47 k S Q R Q2 Q1 Ipk Osc CTVCC + – Comp. 1.25 V Ref Reg 1 2 3 4 1N5819 CT 1500 pF 330 CO + Vout 28 V/175 mA Vout 1.0 µH + 100 Optional Filter Figure 7. Step–Up Converter Test Conditions Results Line Regulation Vin = 8.0 V to 16 V, IO = 175 mA 30 mV = ±0.05% Load Regulation Vin = 12 V, IO = 75 mA to 175 mA 10 mV = ±0.017% Output Ripple Vin = 12 V, IO = 175 mA 400 mVpp Efficiency Vin = 12 V, IO = 175 mA 87.7% Output Ripple With Optional Filter Vin = 12 V, IO = 175 mA 40 mVpp 8a. External NPN Switch 8b. External NPN Saturated Switch (See Note 5) 8 7 6 Rsc Vin 1 2 Vout R R � 0 for constant Vin NOTE: 5. If the output switch is driven into hard saturation (non–Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents (≥ 30 mA), it may take up to 2.0 µs to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a non–Darlington configuration is used, the following output drive condition is recommended. 8 7 6 Rsc Vin 1 2 Vout Figure 8. External Current Boost Connections for IC Peak Greater than 1.5 A MC34063A MC33063A 6 MOTOROLA ANALOG IC DEVICE DATA 1.25 V Ref Reg Vout 5.0 V/500 mA 1.0 µH Vout + 100 Optional Filter 8 7 Rsc 0.33 6Vin 25 V 100 + R1 1.2 k R2 3.6 k S Q R Q2 Q1 Ipk Osc CT VCC + – Comp. 1 2 3 4 CT 470 pF 470 CO + 5 L 1N5819 220 µH Figure 9. Step–Down Converter Test Conditions Results Line Regulation Vin = 15 V to 25 V, IO = 500 mA 12 mV = ±0.12% Load Regulation Vin = 25 V, IO = 50 mA to 500 mA 3.0 mV = ±0.03% Output Ripple Vin = 25 V, IO = 500 mA 120 mVpp Short Circuit Current Vin = 25 V, RL = 0.1 Ω 1.1 A Efficiency Vin = 25 V, IO = 500 mA 83.7% Output Ripple With Optional Filter Vin = 25 V, IO = 500 mA 40 mVpp 10a. External NPN Switch 10b. External PNP Saturated Switch 8 7 6 Rsc Vin 1 2 Vout 8 7 6 Rsc Vin 1 2 Vout Figure 10. External Current Boost Connections for IC Peak Greater than 1.5 A MC34063A MC33063A 7MOTOROLA ANALOG IC DEVICE DATA 1.25 V Ref Reg Vout –12 V/100 mA Vout 1.0 µH + 100 Optional Filter 8 7 Rsc 0.24 6Vin 4.5 V to 6.0 V 100 + 5 R2 8.2 k S Q R Q2 Q1 Ipk Osc CT Comp. R1 953 1 2 3 4 + 1500 pF+ – 1N5819 1000 µf + 88 µH VCC CO L Figure 11. Voltage Inverting Converter Test Conditions Results Line Regulation Vin = 4.5 V to 6.0 V, IO = 100 mA 3.0 mV = ±0.012% Load Regulation Vin = 5.0 V, IO = 10 mA to 100 mA 0.022 V = ±0.09% Output Ripple Vin = 5.0 V, IO = 100 mA 500 mVpp Short Circuit Current Vin = 5.0 V, RL = 0.1 Ω 910 mA Efficiency Vin = 5.0 V, IO = 100 mA 62.2% Output Ripple With Optional Filter Vin = 5.0 V, IO = 100 mA 70 mVpp 12a. External NPN Switch 12b. External PNP Saturated Switch 8 7 6Vin 1 2 Vout 8 7 6Vin 1 2 Vout Figure 12. External Current Boost Connections for IC Peak Greater than 1.5 A MC34063A MC33063A 8 MOTOROLA ANALOG IC DEVICE DATA 5.45′′ 2.500′′ (Top view, copper foil as seen through the board from the component side) (Top View, Component Side) *Optional Filter. Figure 13. Printed Circuit Board and Component Layout (Circuits of Figures 7, 9, 11) MC34063A MC34063A MC34063A INDUCTOR DATA Converter Inductance (µH) Turns/Wire Step–Up 170 38 Turns of #22 AWG Step–Down 220 48 Turns of #22 AWG Voltage–Inverting 88 28 Turns of #22 AWG All inductors are wound on Magnetics Inc. 55117 toroidal core. MC34063A MC33063A 9MOTOROLA ANALOG IC DEVICE DATA Figure 14. Design Formula Table Calculation Step–Up Step–Down Voltage–Inverting ton/toff Vout � VF � Vin(min) Vin(min) � Vsat Vout � VF Vin(min) � Vsat � Vout |Vout| � VF Vin � Vsat (ton + toff) 1 f 1 f 1 f toff ton � toff ton t off � 1 ton � toff ton t off � 1 ton � toff ton t off � 1 ton (ton + toff) – toff (ton + toff) – toff (ton + toff) – toff CT 4.0 x 10–5 ton 4.0 x 10–5 ton 4.0 x 10–5 ton Ipk(switch) 2Iout(max) � ton toff � 1� 2Iout(max) 2Iout(max) � ton toff � 1� Rsc 0.3/Ipk(switch) 0.3/Ipk(switch) 0.3/Ipk(switch) L(min) � (Vin(min) � Vsat) Ipk(switch) � ton(max) � (Vin(min) � Vsat � Vout) Ipk(switch) � ton(max) � (Vin(min) � Vsat) Ipk(switch) � ton(max) CO 9 Ioutton Vripple(pp) Ipk(switch)(ton � toff) 8Vripple(pp) 9 Ioutton Vripple(pp) Vsat = Saturation voltage of the output switch. VF = Forward voltage drop of the output rectifier. The following power supply characteristics must be chosen: Vin – Nominal input voltage. Vout – Desired output voltage, Iout – Desired output current. fmin – Minimum desired output switching frequency at the selected values of Vin and IO. Vripple(pp) – Desired peak–to–peak output ripple voltage. In practice, the calculated capacitor value will need to be increased due to its equivalent series Vripple(pp) – resistance and board layout. The ripple voltage should be kept to a low value since it will directly affect the line and load regulation. NOTE: For further information refer to Application Note AN920A/D and AN954/D. |Vout| � 1.25 �1 � R2R1� MC34063A MC33063A 10 MOTOROLA ANALOG IC DEVICE DATA P, P1 SUFFIX PLASTIC PACKAGE CASE 626–05 ISSUE K OUTLINE DIMENSIONS D SUFFIX PLASTIC PACKAGE CASE 751–05 (SO–8) ISSUE P NOTES: 1. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 2. PACKAGE CONTOUR OPTIONAL (ROUND OR SQUARE CORNERS). 3. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. MIN MINMAX MAX MILLIMETERS INCHES DIM 9.40 6.10 3.94 0.38 1.02 0.76 0.20 2.92 — 0.76 10.16 6.60 4.45 0.51 1.78 1.27 0.30 3.43 0.370 0.240 0.155 0.015 0.040 0.030 0.008 0.115 — 0.030 0.400 0.260 0.175 0.020 0.070 0.050 0.012 0.135 10° 1.01 2.54 BSC 7.62 BSC 0.100 BSC 0.300 BSC A B C D F G H J K L M N 10° 0.040 F H G D N C K M J L NOTE 2 1 4 58 T0.13 (0.005) A BM M M –A– –B– –T– SEATING PLANE NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. SEATING PLANE 1 4 58 C K 4X P A0.25 (0.010) M T B S S 0.25 (0.010) M B M 8X D R M J X 45 � � F –A– –B– –T– DIM MIN MAX MIN MAX INCHESMILLIMETERS A 4.80 5.00 0.189 0.196 B 3.80 4.00 0.150 0.157 C 1.35 1.75 0.054 0.068 D 0.35 0.49 0.014 0.019 F 0.40 1.25 0.016 0.049 G 1.27 BSC 0.050 BSC J 0.18 0.25 0.007 0.009 K 0.10 0.25 0.004 0.009 M 0 7 0 7 P 5.80 6.20 0.229 0.244 R 0.25 0.50 0.010 0.019 �� �� MC34063A MC33063A 11MOTOROLA ANALOG IC DEVICE DATA NOTES MC34063A MC33063A 12 MOTOROLA ANALOG IC DEVICE DATA Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. How to reach us: USA/EUROPE/Locations Not Listed: Motorola Literature Distribution; JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center, P.O. Box 20912; Phoenix, Arizona 85036. 1–800–441–2447 or 602–303–5454 3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 03–81–3521–8315 MFAX: RMFAX0@email.sps.mot.com – TOUCHTONE 602–244–6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, INTERNET: http://Design–NET.com 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298 MC34063A/D � �������� � ◊
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