Datasheet
FUNCTIONAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS Conditions (1) Minimum Typical/Nominal Maximum Units
Input Voltage, Continuous Full power operation 0 15 Vdc
Output Power 066W
Output Current
Current-limited, no damage,
short-circuit protected
012A
On/Off Control 14 Vdc
Power Good Pin 6 Vdc
Synchronized Pin 12 Vdc
Sequence Pin Vin max Vdc
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
Operating voltage range (7) See output voltage vs input voltage 4.5 12 14 Vdc
Recommended External Fuse Fast blow 28 A
Turn On/Start-up threshold Rising input voltage 3.9 4.2 4.5 Vdc
Undervoltage Shutdown 3.7 4 4.3
Internal Filter Type C-TYPE
Input current
Full Load Conditions Vin = nominal (5Vo set) 5.26 5.55 A
Low Line Vin @ min, 5 Vout 8.98 9.51 A
Inrush Transient TBD A
2
-Sec.
Short Circuit Input Current TBD mA
No Load Input Current 5Vout, Iout @ 0 70 140 mA
No Load Input Current 1V, Iout @ 0 30 60
Shut-Down Mode Input Current 1mA
Refl ected (back) ripple current (2) Measured at input with specifi ed fi lter TBD mA, pk-pk
GENERAL and SAFETY
EFFICIENCY (12Vin @ 12A load current)
@ Vin nom, 5Vout 91.5 95
%
@ Vin min=8Vin, 5Vout 91.5 95.5
@ Vin nom, 3.3Vout 88.5 92.5
@ Vin nom, 2.5Vout 85.5 90
@Vin nom, 1.8Vout 82.5 88
Safety
Certifi ed to UL-60950-1, CSA-C22.2
No.60950-1, IEC/60950-1, 2nd edition
(pending)
Yes
Calculated MTBF (4a)
Per Telcordia SR332, issue 1 class 3, ground
fi xed, Tambient=+25˚C
7,655,324 Hours
Calculated MTBF (4b) Per Mil-HDBK-217N2 Method 4,659,094 Hours
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency 400 KHz
Synchronization frequency range 420 600 KHz
High level input voltage 3 12 Vdc
Low level input voltage 0 0.8 Vdc
Input currrent SYNC pin VSYNC = 3.0V 1 mA
Minimun pulse width, SYNC 250 nS
Minimum pulse set-up/hold time SYNC pin (note 15) 250 nS
Startup Time Power On to Vout regulated 6 mS
Startup Time Remote ON to to Vout regulated 6 mS
Dynamic Load Response
50-100-50% load step, settling time to within
±2% of Vout di/dt =1 A/µSec
200 µSec
Dynamic Load Peak Deviation same as above ±250 mV
FEATURES and OPTIONS
Remote On/Off Control (5)
“N” suffi x
Negative Logic, ON state Pin open=ON 0 0.7 V
Negative Logic, OFF state 2 +Vin-max V
Control Current open collector/drain 3 mA
“P” suffi x
Positive Logic, ON state Pin open=ON +Vin-0.8V Vin-max V
Positive Logic, OFF state 0 2.5 V
Control Current open collector/drain 3 mA
Remote Sense 500 mV
OKL2-T/12-W12 Series
Programmable Output 12-Amp iLGA SMT PoL
DC-DC Converter Series
MDC_OKL2-T/12-W12.B02 Page 3 of 19
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