JNW350R641 Datasheet, PDF (5/15 Pages) Lineage Power Corporation – 36 - 75 Vdc Input; 28Vdc Output; 350W Output

Data Sheet
July 27, 2009
JNW350R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 350W Output
Characteristic Curves
The following figures provide typical characteristics for the JNW350R (28V, 18A) at 25ºC. The figures are identical for
either positive or negative Remote On/Off logic.
94
92
90
Vin=36V
88
Vin=48V
86
84
Vin=75V
82
0
2.5
5
7.5
10
OUTPUT CURRENT, Io (A)
Figure 1. Converter Efficiency versus Output
Current.
12.5
TIME, t (20ms/div)
Figure 4. Typical Start-Up Using negative Remote
On/Off; Co,ext = 470µF.
TIME, t (1μs/div)
Figure 2. Typical Output Ripple and Noise at Room
Temperature and 48Vin; Io = Io,max; Co,ext = 470µF.
TIME, t (20ms/div)
Figure 5. Typical Start-Up from VIN, on/off enabled
prior to VIN step; Co,ext = 470µF.
TIME, t (1ms/div)
Figure 3. Standard JNW350R Transient Response to
Dynamic Load Change from 25% to 50% to 25% of
Full Load at Room Temperature and 48 Vdc Input;
0.1A/uS, Co,ext = 470µF
TIME, t (1ms/div)
Figure 6. Standard JNW350R Transient Response to
Dynamic Load Change from 50% to 75% to 50% of
Full Load at Room Temperature and 48 Vdc Input;
0.1A/uS, Co,ext = 470µF
LINEAGE POWER
5