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USQ Models
Typical Performance Curves for 1.2VOUT Models
90
85
80
75
70
65
60
USQ-1.2/20-D48 Efficiency vs. Line Voltage and Load Current
2 4 6 8 10 12 14 16 18 20
Load Current (Amps
)
Efficiency (%)
V
IN
= 36V
V
IN
= 48V
V
IN
= 75V
Start-Up from Remote On/Off Control
(VIN = 48V, IOUT = 20A, COUT = 10µF tantalum || 1µF ceramic.)
2msec/div
1V/div
2V/div
1.5V
OUT (pin 8)
Remote On/Off
Control (pin 2)
Start-Up from V
IN
(VIN = 48V, IOUT = 20A, COUT = 10µF tantalum || 1µF ceramic.)
2msec/div
1V/div
20V/div
1.5V
OUT (pin 8)
+Input
(pin 3)
TBD
TBD
TBD
TBD
11
TBD
TBD
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2 0 A , S I N G L E O U T P U T D C / D C C O N V E R T E R S