SNVU793 September 2021 LM5158
Table 2-1 details the electrical performance standard configuration.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| Input Characteristics | |||||
| Input voltage range VIN | Operation | 8 | 12 | 16 | V |
| Abs max input voltage VINMAX | Operation without damage | 18 | V | ||
| Input voltage turn-on VIN(ON) | Adjustable by the UVLO/SYNC resistors | 7.6 | V | ||
| Input voltage turn-on VIN(OFF) | 7.1 | V | |||
| Output Characteristics | |||||
| Main output voltage VO1 | 10 | V | |||
| First isolated output voltage VO2 | 20 | V | |||
| Second isolated output voltage VO3 | 20 | V | |||
| Third isolated output voltage VO4 | 20 | V | |||
| Main output load current IO1 | 0.250 | A | |||
| First isolated output load current IO2 | 0.075 | A | |||
| Second isolated output load current IO3 | 0.075 | A | |||
| Third isolated output load current IO4 | 0.150 | A | |||
| System Characteristics | |||||
| Switching frequency | 250 | kHz | |||
| Peak efficiency | VIN = 12 V, rated load at all output rails | 90 | % | ||
| Junction temperature | –40 | 150 | °C | ||
| Transformer Specifications (Coilcraft ZB1324-AL) | |||||
| Primary inductances | 8 | μH | |||
| Turns ratio | (2-4) : (1-3) | 1 | |||
| (5-6) : (1-3) | 1.2 | ||||
| (8-7) : (1-3) | 2.4 | ||||
| (10-9) : (1-3) | 2.4 | ||||
| (12-11) : (1-3) | 2.4 | ||||
| Saturation current | 20% inductance reduction | 5.5 | A | ||
| Leakage inductance | 90 | nH | |||