SNVU819 November 2021 LM5168 , LM5168-Q1
Unless otherwise specified, the following conditions apply: TA = 25oC, IOUT1 = primary output current, IOUT2 = secondary output current
| Parameter | Test Conditions | MIN | TYP | MAX | UNITS | |
|---|---|---|---|---|---|---|
| INPUT CHARACTERISTICS | ||||||
| Input voltage range, VVIN | EVM input voltage operating range | 20 | 48 | 115 | V | |
| Input voltage turn-on, VIN(ON) | Adjusted by EN/UVLO resistors | 6.0 | V | |||
| Input voltage turn-off, VIN(OFF) | 5.6 | V | ||||
| Input voltage hysteresis, VIN(HYS) | 0.4 | V | ||||
| Input current, no load, IIN(NL) | IOUT = 0 A | VIN = 48 V | 13 | mA | ||
| Input current, disabled, IIN(OFF) | VEN/UVLO = 0 V, no EN divider | VIN = 36 V | 10 | μA | ||
| OUTPUT CHARACTERISTICS | ||||||
| Output voltage, VOUT1 | VIN = 48 V, IOUT1 = IOUT2 = 0A | 10.0 | V | |||
| Output voltage, VOUT2 | VIN = 48 V, IOUT1=0 A, IOUT2 = 0A | 10.0 | ||||
| Output current, IOUT1 | VIN = 48 V, IOUT2 = 0 A | 0.25 | A | |||
| Output current, IOUT2 | VIN = 48 V, IOUT1 = 0 A | 0.25 | A | |||
| Output voltage regulation, ΔVOUT1 | Load regulation, VIN = 48 V | IOUT1 = 0 A to 0.25 A, IOUT2 = 0 A | 1 | mV | ||
| Output voltage regulation, ΔVOUT2 | Load regulation, VIN = 48 V | IOUT1 = 0 A to 0.25 A, IOUT2 = 0 A | 200 | |||
| Output voltage regulation, ΔVOUT1 | Load regulation, VIN = 48 V | IOUT2 = 0 A to 0.25 A, IOUT1 = 0 A | 7 | |||
| Output voltage regulation, ΔVOUT2 | Load regulation, VIN = 48 V | IOUT2 = 0 A to 0.25 A, IOUT1 = 0 A | 1000 | |||
| Output voltage regulation, ΔVOUT1 | Line regulation, IOUT1 = IOUT2 = 0 A | VIN = 24 V to 115 V | 50 | |||
| Output voltage regulation, ΔVOUT2 | Line regulation, IOUT1 = IOUT2 = 0 A | VIN = 24 V to 115 V | 750 | |||
| Maximum output current from primary output | VIN = 48 V, IOUT2 = 0 A | 0.27 | A | |||
| Soft-start time, tSS | 3.5 | ms | ||||
| SYSTEM CHARACTERISTICS | ||||||
| Switching frequency | VIN = 36 V, IOUT1 = 0 A , IOUT2 = 0 A | 730 | kHz | |||
| Half-load efficiency | IOUT1 = IOUT2 = 0.08 A | VIN = 48 V | 70% | |||
| Full load efficiency | IOUT1 = IOUT2 = 0.125 A | VIN = 48 V | 76% | |||
| VIN = 60 V | 72% | |||||