Datasheet

FUNCTIONAL SPECIFICATIONS, OKX-T/3-D12-C
15
ABSOLUTE MAXIMUM RATINGS
Conditions ➀
Minimum Typical/Nominal Maximum Units
Input Voltage, Continuous
Full power operation 0 15 Vdc
Input Reverse Polarity
None, install external fuse None Vdc
On/Off Remote Control
Power on or off, referred to -Vin 0 13.8 Vdc
Output Power
0 15 15.3 W
Output Current
Current-limited, no damage,
short-circuit protected
03A
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/Functional Specifi cations Table is not implied or recommended.
INPUT
Conditions ➀ ➂
Operating voltage range
Vin ≥ Vout +2 8.3 12 13.8 Vdc
Recommended External Fuse
Fast blow 4 A
Turn On/Start-up threshold
Rising input voltage 7.5 8.0 8.3 Vdc
Turn Off/Undervoltage lockout
Falling input voltage 7.3 7.8 8.05 Vdc
Reverse Polarity Protection
None, install external fuse None Vdc
Internal Filter Type
C-TYPE
Input current
Full Load Conditions
Vin = nominal (5Vo set) 1.344 1.393 A
Low Line
Vin @ min, 5 Vout 1.934 2.005 A
Inrush Transient
0.4 A2-Sec.
Short Circuit Input Current
60 mA
No Load Input Current
5Vout, Iout @ 0 40 70 mA
No Load Input Current
0.75V, Iout @ 0 20 35
Shut-Down Mode Input Current
5mA
Refl ected (back) ripple current ➁
Measured at input with specifi ed fi lter 60 mA, pk-pk
GENERAL and SAFETY
Effi ciency
@ Vin nom, 5Vout 91.5 93 %
@ Vin min, 5Vout 93.5 95 %
@ Vin nom, 3.3Vout 89.5 91 %
@ Vin nom, 2.5Vout 88 89.5 %
@Vin nom, 1.8Vout 85 87 %
@Vin nom, 1.5Vout 83 85 %
@Vin nom, 1.2Vout 80.5 82.5 %
@Vin nom, 1Vout 78 80 %
Safety
Certifi ed to UL-60950-1, CSA-C22.2
No.60950-1, IEC/EN60950-1, 2nd edition
(pending)
Yes
Calculated MTBF ➃
Per Telcordia SR332, issue 1 class 3, ground
fi xed, Tambient=+25˚C
TBD Hours x 10
6
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency
290 320 350 KHz
Startup Time
Power On, to Vout regulation band,
100% resistive load
810mS
Startup Time
Remote ON to 10% Vout (50% resistive load) 6 mS
Dynamic Load Response
50-100-50% load step, settling time to within
±2% of Vout di/dt = 2.5 A/µSec
80 µSec
Dynamic Load Peak Deviation
same as above ±150 mV
FEATURES and OPTIONS
Remote On/Off Control ➄
“N” suffi x:
Negative Logic, ON state
Pin open=ON 0 0.4 V
Negative Logic, OFF state
1.5 +Vin V
Control Current
open collector/drain 1 mA
“P” suffi x:
Positive Logic, ON state
Pin open=ON 7.8 +Vin V
Positive Logic, OFF state
0 0.4 V
Control Current
open collector/drain 1 mA
OKX-T/3-D12 Series
Adjustable 3-Amp SIP Non-Isolated DC/DC Converters
MDC_OKX-T/3-D12 Series.A01 Page 3 of 15
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