SNVU918 October 2024 LM68645-Q1
Performance characteristics for the LM68645EVM are found in Table 1-1
Unless otherwise stated: VIN = 24V, VOUT = 5V, TA = 25ºC.
Parameter | Test Conditions | MIN | TYP | MAX | UNITS | |
---|---|---|---|---|---|---|
INPUT CHARACTERISTICS | ||||||
Input voltage range, VVIN | EVM input voltage operating range | 6 | 24 | 63 | V | |
Input current, no load, IIN(NL) | IOUT = 0A | AUTO mode | 5.5 | μA | ||
Input current, disabled, IIN(OFF) | VEN/UVLO = 0V, no EN divider | VIN = 24V | 1.0 | µA | ||
OUTPUT CHARACTERISTICS | ||||||
Output voltage, VO | IOUT = 0A, AUTO mode | 5.022 | V | |||
IOUT = 4.5A | 5.001 | V | ||||
Output voltage regulation, ΔVOUT | Load regulation, AUTO mode | IOUT = 0A to 4.5A | 20 | mV | ||
Output voltage regulation, ΔVOUT | Load regulation, FPWM mode | IOUT = 0A to 4.5A | 1 | |||
Output voltage regulation, ΔVOUT | Line regulation, VIN = 12V to 48V | IOUT = 4.5A | 1 | |||
Maximum output current | VIN = 24V | 5.6 | A | |||
SYSTEM CHARACTERISTICS | ||||||
Switching frequency | IOUT = 4.5A | 400 | kHz | |||
Peak efficiency | IOUT = 1.5A | VIN = 24V | 95% | |||
Full load efficiency | IOUT = 4.5A | VIN = 24V | 90% |