MC33060A Motorola, MC33060A Datasheet
MC33060A
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MC33060A Summary of contents
Page 1
... SWITCHMODE power supply control. The MC34060A is specified over the commercial operating temperature range +70 C, and the MC33060A is specified over an automotive temperature range of –40 to +85 C. Complete Pulse Width Modulation Control Circuitry On–Chip Oscillator with Master or Slave Operation On– ...
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... Reference Voltage ( 1.0 mA low to T high – MC34060A low to T high – MC33060A Line Regulation ( 7 mA)) Load Regulation ( 1 mA) Short Circuit Output Current (V ref = MC34060A MC33060A Symbol Value Unit ...
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... Output Sink Current (V O[Pin 3] = 0.7 V) Output Source Current (V O[Pin 3] = 3.5 V) NOTES: 2. Low duty cycle techniques are used during test to maintain junction temperature as close to ambient temperatures as possible. T low = –40 C for MC33060A T high = +85 C for MC33060A T low = 0 C for MC34060A T high MOTOROLA ANALOG IC DEVICE DATA ...
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... V ref , all other inputs and outputs open Average Supply Current (V [Pin 0.001 See Figure 11. *Standard deviation is a measure of the statistical distribution about the mean as derived from the formula MC34060A MC33060A Symbol Min V TH – 0.3 I IB(DT) – ...
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... The pulse width modulator comparator provides a means for the error amplifiers to adjust the output pulse width from the maximum percent on–time, established by the dead time control input, down to zero, as the voltage at the feedback pin MOTOROLA ANALOG IC DEVICE DATA MC34060A MC33060A Figure 1. Block Diagram Oscillator Dead–Time Undervoltage ...
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... Figure 7. Emitter–Follower Configuration Output Saturation Voltage versus Emitter Current 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 0 100 200 300 EMITTER CURRENT (mA) 6 MC34060A MC33060A Figure 4. Open Loop Voltage Gain and Phase 120 110 100 1.0 10 Figure 6. Percent Duty Cycle versus Dead– ...
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... Figure 13. Common–Emitter Configuration and Waveform 15V Output 15pF Transistor E 90 MOTOROLA ANALOG IC DEVICE DATA MC34060A MC33060A Figure 10. Undervoltage Lockout Thresholds versus Reference Load Current 6.0 5.5 5.0 4.5 4 Figure 12. Deadtime and Feedback Control Test Inputs Feedback Terminal ...
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... Figure 16. Deadtime Control Circuit V ref Output 47k 0.001 Max % On Time 92 – Figure 18. Slaving Two or More Control Circuits MC34060A MC33060A + 3 3 – Error Amp Negative Output Voltage –V ref ( Figure 17. Soft–Start Circuit R 1 Output R 2 ...
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... Figure 19. Step–Down Converter with Soft–Start 8.0V to 40V 0.01 47k 1.0M + 50/50 0.01 4.7k 4.7k 150 Test Line Regulation Load Regulation Output Ripple Short Circuit Current Efficiency MOTOROLA ANALOG IC DEVICE DATA MC34060A MC33060A and Output Current Limiting Tip – 3 Comp MC34060A 14 ...
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... 8.0V to 26V 22k 0.05 33k 4.7k 2. 50/35V 13 3.9k 12 Test Line Regulation Load Regulation Output Ripple Efficiency * Optional circuit to minimize output ripple 10 MC34060A MC33060A Figure 20. Step–Up Converter 150 – 3 Comp MC34060A + 300 8 – ref Gnd 0 ...
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... Test Line Regulation Load Regulation Output Ripple Short Circuit Current Efficiency * Optional circuit to minimize output ripple MOTOROLA ANALOG IC DEVICE DATA MC34060A MC33060A with Soft–Start and Current Limiting Tip 32C – 3 Comp MC34060A ...
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... Figure 22 Off–Line Flyback Converter with Soft–Start and Primary Power Limiting 12 MC34060A MC33060A MOTOROLA ANALOG IC DEVICE DATA ...
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... G –T– K SEATING PLANE 0.25 (0.010 MOTOROLA ANALOG IC DEVICE DATA MC34060A MC33060A OUTLINE DIMENSIONS P SUFFIX PLASTIC PACKAGE CASE 646–06 ISSUE SUFFIX PLASTIC PACKAGE CASE 751A–03 (SO–14) ISSUE ...
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... MC34060A MC33060A NOTES MOTOROLA ANALOG IC DEVICE DATA ...
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... MOTOROLA ANALOG IC DEVICE DATA MC34060A MC33060A NOTES 15 ...
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... MFAX: RMFAX0@email.sps.mot.com – TOUCHTONE 602–244–6609 INTERNET: http://Design–NET.com 16 MC34060A MC33060A are registered trademarks of Motorola, Inc. Motorola, Inc Equal JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, 6F Seibu–Butsuryu–Center, 3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 03–81–3521–8315 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd. ...