SNVU747 September 2020 LM34966-Q1
| Parameter | Test Conditions | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|
| INPUT CHARACTERISTICS | |||||
| Input voltage Range VIN | Operation | 18 | 24 | 36 | V |
| Input voltage turn on VIN(ON) | Adjusted by the UVLO/SYNC resistors | 17 | V | ||
| Input voltage turn off VIN(OFF) | 16.5 | V | |||
| OUTPUT CHARACTERISTICS | |||||
| Output Voltage VOUT | 5 | V | |||
| Maximum Output Current IOUT | 4 | A | |||
| SYSTEM CHARACTERISTICS | |||||
| Switching frequency | 250 | kHz | |||
| Peak efficiency | VIN =18V, IOUT = 1.8A | 86.5 | % | ||
| Junction Temperature, TJ | –40 | 150 | C | ||
| Transformer Specifications (Wurth 750319733) | |||||
| Primary Inductance | 21 | μH | |||
| Turns Ratio | (3-5):(2-1) | 1:1 | |||
| (3-5):(6:10) tie (6+7,9+10) | 2:1 | ||||
| Saturation Current | 20% inductance reduction | 6.2 | A | ||
| Leakage Inductance | 150 | 300 | nH | ||