2 EVM Characteristics
Unless otherwise specified the following condition apply: T
A
= 25ºC, I
OUT1
= Primary output current, I
OUT2
=
Secondary output current. LM5168FQEVM; both EVMs are identical, except for the converter IC installed.
Table 2-1. LM5168FQEVM Electrical Performance Characteristics
Parameter
Test Conditions
MIN
TYP
MAX
UNITS
INPUT CHARACTERISTICS
Input voltage range, V
VIN
EVM input voltage operating range
20
48
115
V
Input voltage turn on, V
IN(ON)
Adjusted by EN/UVLO resistors
6.0
V
Input voltage turn off, V
IN(OFF)
5.6
V
Input voltage hysteresis, V
IN(HYS)
0.4
V
Input current, no load, I
IN(NL)
I
OUT
= 0 A
V
IN
= 48 V
13
mA
Input current, disabled, I
IN(OFF)
V
EN/UVLO
= 0 V, no EN
divider
V
IN
= 36 V
10
µA
OUTPUT CHARACTERISTICS
Output voltage, V
OUT1
V
IN
= 48 V, I
OUT1
= I
OUT2
= 0A
10.0
V
Output voltage, V
OUT2
V
IN
= 48 V, I
OUT1
=0 A, I
OUT2
= 0A
10.0
Output Current, I
OUT
: Total for both outputs
V
IN
= 48 V
0.25
A
Output voltage regulation, ΔV
OUT1
Load regulation, V
IN
=
48 V
I
OUT1
= 0 A to 0.25
A, I
OUT2
= 0 A
1
mV
Output voltage regulation, ΔV
OUT2
Load regulation, V
IN
=
48 V
I
OUT1
= 0 A to 0.25
A, I
OUT2
= 0 A
200
Output voltage regulation, ΔV
OUT1
Load regulation, V
IN
=
48 V
I
OUT2
= 0 A to 0.25
A, I
OUT1
= 0 A
7
Output voltage regulation, ΔV
OUT2
Load regulation, V
IN
=
48 V
I
OUT2
= 0 A to 0.25
A, I
OUT1
= 0 A
1000
Output voltage regulation, ΔV
OUT1
Line regulation, I
OUT1
= I
OUT2
= 0 A
V
IN
= 24 V to 115 V
50
Output voltage regulation, ΔV
OUT2
Line regulation, I
OUT1
= I
OUT2
= 0 A
V
IN
= 24 V to 115 V
750
Maximum Output Current
V
IN
= 48 V
0.27
A
Soft-start time, t
SS
3.5
ms
SYSTEM CHARACTERISTICS
Switching frequency
V
IN
= 36 V, I
OUT1
= 0 A , I
OUT2
= 0 A
730
kHz
Half-load efficiency
I
OUT1
= I
OUT2
= 0.08 A V
IN
= 48 V
70 %
Full load efficiency
I
OUT1
= I
OUT2
= 0.125
A
V
IN
= 48 V
76 %
V
IN
= 60 V
72 %
EVM Characteristics
SNVU757 – JUNE 2021
LM5169FQEVM EVM User Guide
5
Copyright © 2021 Texas Instruments Incorporated
