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OKX T/3-W5 Series
Adjustable 3-Amp SIP Non-Isolated DC/DC Converters
FUNCTIONAL SPECIFICATIONS, OKX-T/3-W5-C
ABSOLUTE MAXIMUM RATINGS
Input Voltage, Continuous
Input Reverse Polarity
On/Off Remote Control
Output Power
Conditions ?
Full power operation
None, install external fuse
Power on or off, referred to -Vin
Minimum
0
0
0
Typical/Nominal
None
9.9
Maximum
5.8
5.5
10.1
Units
Vdc
Vdc
Vdc
W
Output Current
Current-limited, no damage,
short-circuit protected
0 3 A
Storage Temperature Range
Vin = Zero (no power) -55 125 °C
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other
than those listed in the Performance/Functiona l Speci?cations Table is not implied or recommended.
INPUT
Operating voltage range
Recommended External Fuse
Turn On/Start-up threshold
Turn Off/Undervoltage lockout 15
Reverse Polarity Protection
Internal Filter Type
Input current
Conditions ? ?
Vo < Vin-0.5 2.4 5 5.5 Vdc
Fast blow 6 A
Rising input voltage 1.95 2.15 Vdc
Falling input voltage 1.73 2.07 Vdc
None, install external fuse None Vdc
C-TYPE
Full Load Conditions
Low Line
Inrush Transient
Short Circuit Input Current
No Load Input Current
No Load Input Current
Shut-Down Mode Input Current
Re?ected (back) ripple current ?
Vin = nominal (3.3Vo set)
Vin @ min, 3.3 Vout
3.3Vout, Iout @ 0
0.75V, Iout @ 0
Measured at input with speci?ed ?lter
2.095
2.672
0.04
60
40
20
5
20
2.183
2.784
50
30
A
A
A2-Sec.
mA
mA
mA
mA, pk-pk
GENERAL and SAFETY
@ Vin nom, 3.3Vout
@ Vin min, 3.3Vout
@ Vin nom, 2.5Vout
92.5
93
91
94.5
95
92.5
%
%
%
Ef?ciency
Safety (certi?ed to the following
requirements)
Calculated MTBF ?
@Vin nom, 1.8Vout
@Vin nom, 1.5Vout
@Vin nom, 1.2Vout
@Vin nom, 1Vout
@Vin nom, 0.7525Vout
UL-60950-1, CSA-C22.2 No.60950-1, IEC/
EN60950-1, 2nd edition (pending)
Class 3, ground ?xed, Tambient=+25°C
88
87
84
82
78
90
89
86
84
79
Yes
TBD
%
%
%
%
%
Hours x 10 6
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency
Startup Time
Power On, to Vout regulation band,
100% resistive load
250
300
8
350
10
KHz
mS
Startup Time
Dynamic Load Response
Dynamic Load Peak Deviation
Remote ON to 10% Vout (50% resistive load)
50-100-50% load step, settling time to within
±2% of Vout di/dt = 2.5 A/μSec
same as above
6
90
±200
mS
μSec
mV
FEATURES and OPTIONS
Remote On/Off Control 15
“N” suf?x:
Negative Logic, ON state
Pin open=ON
0
0.4
V
Negative Logic, OFF state
Control Current
open collector/drain
1.5
1
+Vin
V
mA
“P” suf?x:
Positive Logic, ON state
Pin open=ON
+Vin-0.4
+Vin
V
Positive Logic, OFF state
Control Current
open collector/drain
0
1
0.4
V
mA
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MDC_OKX_T/3-W5 Series.A01 Page 3 of 15
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