User Manual

GE
Data Sheet
16V PicoTLynx
TM
4A: Non-Isolated DC-DC Power Modules
8Vdc –16Vdc input; 0.6Vdc to 8.0Vdc output; 4A Output Current
September 10, 2013 ©2013 General Electric Company. All rights reserved. Page 6
Characteristic Curves
The following figures provide typical characteristics for the 16V PicoTLynx
TM
4A at 0.6Vo and at 25
o
C.
EFFICIENCY, η (%)
50
55
60
65
70
75
80
85
01234
Vin=8V
OUTPUT CURRENT, Io (A)
0.5
1.5
2.5
3.5
4.5
20 30 40 50 60 70 80 90
NC
OUTPUT CURRENT, I
O
(A) AMBIENT TEMPERATURE, T
A
O
C
Figure 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
OUTPUT CURRENT, OUTPUT VOLTAGE
I
O
(A) (2Adiv) V
O
(V) (500mV/div)
TIME, t (1μs/div) TIME, t (20μs /div)
Figure 3. Typical output ripple and noise (V
IN = 8V, Io = Io,max).
Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0% .
OUTPUT VOLTAGE ON
/
OFF VOLTAGE
V
O
(V) (200mV/div) V
ON/OFF
(V) (5V/div)
OUTPUT VOLTAGE INPUT VOLTAGE V
O
(V) (200MV/div) V
in
(V) (10v/div)
TIME, t (2 ms/div) TIME, t (2 ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (Io = Io,max, VIN =
8V)
Figure 6. Typical Start-up Using Input Voltage (VIN =
8V, I
o = Io,max).