5
GLOBAL ENERGY EFFICIENCY SPECIALIST
GAQ40S3V3B
DC-DC Converter Technical Manual V1.4
Figure 1: Efficiency (T
A
= 25
°
C or 77
°
F)
Figure 2: Power
dissipation
(T
A
= 25
°
C or 77
°
F)
Characteristic Curves
Figure 3: Thermal derating with airflow from V
in
to
V
out
(V
in
= 48 V; V
out
= 3.3 V)
Figure 4: Thermal derating with airflow from V
in
(
–)
to V
in
(+) (V
in
= 48 V; V
out
= 3.3 V)
