ZHCS518E April 1998 – June 2019 LM2588
PRODUCTION DATA.
Table 2 lists the standard transformers available for flyback regulator applications. Included in the table are the turns ratio(s) for each transformer, as well as the output voltages, input voltage ranges, and the maximum load currents for each circuit.
| APPLICATIONS | Figure 25 | Figure 26 | Figure 27 | Figure 28 | Figure 29 | Figure 30 |
|---|---|---|---|---|---|---|
| Transformers | T1 | T1 | T1 | T2 | T3 | T4 |
| VIN | 4V–6V | 4V–6V | 8V–16V | 4V–6V | 18V–36V | 18V–36V |
| VOUT1 | 3.3V | 5V | 12V | 12V | 12V | 5V |
| IOUT1 (Max) | 1.8A | 1.4A | 1.2A | 0.3A | 1A | 2.5A |
| N1 | 1 | 1 | 1 | 2.5 | 0.8 | 0.35 |
| VOUT2 | −12V | −12V | 12V | |||
| IOUT2 (Max) | 0.3A | 1A | 0.5A | |||
| N2 | 2.5 | 0.8 | 0.8 | |||
| VOUT3 | −12V | |||||
| IOUT3 (Max) | 0.5A | |||||
| N3 | 0.8 |
| Transformer
Type |
Manufacturers' Part Numbers | ||||
|---|---|---|---|---|---|
| Coilcraft(1) | Coilcraft Surface Mount(1) | Pulse Surface Mount(2) | Renco(3) | Schott(4) | |
| T1 | Q4434-B | Q4435-B | PE-68411 | RL-5530 | 67141450 |
| T2 | Q4337-B | Q4436-B | PE-68412 | RL-5531 | 67140860 |
| T3 | Q4343-B | — | PE-68421 | RL-5534 | 67140920 |
| T4 | Q4344-B | — | PE-68422 | RL-5535 | 67140930 |