Datasheet

DS_S36SE12001_09292014
5
ELECTRICAL CHARACTERISTICS CURVES
Figure 11: Input Terminal Ripple Current, i
c
, at full rated output
current and nominal input voltage with 12µH source impedance and
33µF electrolytic capacitor (20mA/div, 1us/div)
Figure 12: Input reflected ripple current, i
s
, through a 12µH source
inductor at nominal input voltage and rated load current (20
mA/div, 2us/div)
Figure 13: Output voltage noise and ripple measurement test setup
Figure 14: Output voltage ripple at nominal input voltage and rated
load current (Io=1.3A)(50 mV/div, 5us/div)
Load capacitance: 1µF ceramic capacitor and 10µF tantalum
capacitor. Bandwidth: 20 MHz. Scope measurements should be
made using a BNC cable (length shorter than 20 inches). Position
the load between 51 mm to 76 mm (2 inches to 3 inches) from the
module
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
LOAD CURRENT (A)
OUTPUT VOLTAGE (V)
Vin=48V
Figure 15: Output voltage vs. load current showing typical current
limit curves and converter shutdown points
StripCopper
Vo(-)
Vo(+)
10u
1u
SCOPE RESISTIV
E
LOAD