SNVU819 November   2021 LM5168 , LM5168-Q1

 

  1.   Trademarks
  2. 1General TI High Voltage Evaluation User Safety Guidelines
  3. 2EVM Characteristics
  4. 3LM5168FEVM Evaluation Module
    1. 3.1 Quick Start Procedure
    2. 3.2 Detailed Descriptions
  5. 4Schematic
  6. 5PCB Layout
  7. 6Bill of Materials
  8. 7Performance Curves

2 EVM Characteristics

Unless otherwise specified, the following conditions apply: TA = 25ºC, IOUT1 = primary output current, IOUT2 = secondary output current

Table 2-1 LM5168FQEVM Electrical Performance Characteristics
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%