BS EN 60747-5-5:2011+A1:2015
$198.66
Semiconductor devices. Discrete devices – Optoelectronic devices. Photocouplers
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 60 |
This part of IEC 60747 gives the terminology, essential ratings, characteristics, safety tests as well as the measuring methods for photocouplers (or optocouplers).
NOTE
The word “optocoupler” can also be used instead of “ photocoupler”.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 8 | English CONTENTS |
| 13 | 1 Scope 2 Normative references |
| 14 | 3 Photocoupler 3.1 Semiconductor material 3.2 Details of outline and encapsulation 3.3 Type of photocouplers |
| 15 | 4 Terms related to ratings and characteristics for photocouplers 4.1 Current transfer ratio 4.2 Cut-off frequency fco 4.3 Input-to-output capacitance CIO 4.4 Isolation resistance RIO 4.5 Isolation voltage |
| 16 | 4.6 Terms related to photocouplers with phototriac output and/or solid state opto-relay with triac output |
| 17 | 4.7 Common mode transient immunity CMTI 5 Terms for photocoupler providing protection against electrical shock 5.1 Safety ratings of a photocoupler for reinforced isolation 5.2 Electrical safety requirements of a photocoupler for reinforced isolation |
| 19 | Figures Figure 1a – Time intervals for method a) |
| 20 | Figure 1b – Time intervals for method b) Figure 1 – Time intervals of the test voltage |
| 21 | 5.3 Isolation voltages and isolation test voltages for photocouplers providing protection against electrical shock 5.4 Limiting values (absolute maximum system) over the operating temperature range, unless otherwise stated |
| 22 | 6 Electrical characteristics 6.1 Phototransistor output photocoupler Figure 2 – Test voltage |
| 24 | 6.2 Phototriac output photocoupler or solid state opto-relay 7 Photocouplers providing protection against electrical shock 7.1 Type 7.2 Ratings (have to be mentioned in a special section in the manufacturer’s data sheet) |
| 25 | 7.3 Electrical safety requirements 7.4 Electrical, environmental and/or endurance test information (supplementary information) Table 1 – Datasheet characteristics |
| 31 | Table 2 – Tests and test sequence for photocoupler providing protection against electrical shock |
| 32 | 8 Measuring methods for photocouplers 8.1 Current transfer ratio hF(ctr) Figure 3 – Measurement circuit Table 3 – Test conditions |
| 33 | 8.2 Input-to-output capacitance CIO |
| 34 | 8.3 Isolation resistance between input and output RIO Figure 4 – Measurement circuit for input to output capacitance Figure 5 – Measurement circuit for isolation resistance |
| 35 | 8.4 Isolation test Figure 6 – Test circuit for withstanding isolation voltage |
| 36 | 8.5 Partial discharges of photocouplers Figure 7 – Partial discharge test circuit |
| 37 | Figure 8 – Complete test arrangement connections for calibration |
| 39 | 8.6 Collector-emitter saturation voltage VCE(sat) of a photocoupler Figure 9 – DC measurement circuit |
| 40 | Figure 10 – Pulse measurement circuit |
| 41 | 8.7 Switching times ton, toff of a photocoupler Figure 11 – Switching time measurement circuit |
| 42 | 8.8 Peak off-state current IDRM Figure 12 – Switching times |
| 43 | Figure 13 – Measurement circuit for peak off-state current |
| 44 | 8.9 Peak on-state voltage VTM Figure 14 – Waveforms of the peak off-state voltage and current |
| 45 | Figure 15 – Measurement circuit for peak on-state voltage |
| 46 | 8.10 DC off-state current IBD Figure 16 – Waveforms of the peak on-state voltage and current Figure 17 – Measurement circuit for d.c. off-state current |
| 47 | 8.11 DC on-state voltage VT Figure 18 – Measurement circuit for d.c. on-state voltage |
| 48 | 8.12 Holding current IH 8.13 Critical rate of rise of off-state voltage dV/dt Figure 19 – Measurement circuit for holding current |
| 49 | Figure 20 – Measurement circuit for critical rate of rise of off-state voltage |
| 50 | Figure 21 – Exponential waveform of the off-voltage (VD) Figure 22 –Linear pulse form of the off-voltage (VD) |
| 51 | 8.14 Trigger input current IFT Figure 23 – Measurement circuit for the trigger input current Figure 24 – Output terminal voltage versus input forward current |
| 52 | 8.15 Measuring methods of common mode transient immunity (CMTI) for photocoupler Figure 25 – Common mode transient immunity (CMTI) measurement circuit for photocoupler |
| 54 | 9 Testing methods of electrical rating for phototriac coupler 9.1 Repetitive peak off-state voltage VDRM Figure 26 – Typical waveforms of the common mode pulse (VCM) and optocoupler output (VO) |
| 55 | 9.2 DC off-state voltage VBD |
| 56 | Annex A (normative) Input/output safety test Figure A.1 – Circuit diagram |
| 57 | Bibliography |
