OKL-T/6-W5 Series
Programmable Output 6-Amp iLGA SMT PoLs
Dynamic Characteristics
Performance and Functional Specifications
See Note 1
Dynamic Load Response
50ꢁSec max. to within 2% of final value
Input
(50-100% load step, di/dt=1A/μSec)
Peak Deviation
(Note 1)
350 mV
Input Voltage Range
Isolation
See Ordering Guide and Note 7.
Start-Up Time
(Vin on or On/Off to Vout regulated)
6 mSec for Vout=nominal (Vin On)
6 mSec for Vout=nominal (Remote On/Off)
Not isolated
2.05 V
Start-Up Voltage
100 kHz
Switching Frequency
600 KHz
Undervoltage Shutdown (see Note 15)
Overvoltage Shutdown
1.92 V
None
Environmental
OKL Models
Reflected (Back) Ripple Current (Note 2) TBD mA pk-pk
Calculated MTBF (hours)
Telecordia method (4a)
OKL2 Models
5,341
Internal Input Filter Type
Capacitive
5,573,000
,000
(hours)
Calculated MTBF
Recommended External Fuse
Reverse Polarity Protection
TBD
MIL-HDBK-217N2 method (4b)
5,999,000
5,176,000
None, Install external fuse
Operating Temperature Range (Ambient, all output ranges)
Input Current:
Full Load Conditions
Inrush Transient
Shutdown Mode (Off, UV, OT)
Output in Short Circuit
Low Line (Vin=Vmin)
See derating curves
-40 to +85 °C. with derating (Note 9)
See Ordering Guide
TBD
1 mA
10 mA
A2Sec.
Storage Temperature Range
Thermal Protection/Shutdown
-55 to +125 °C.
Included in PWM
Relative Humidity
To 85%/+85 C., non-condensing
°
4.68 A (Vout = 3.3V)
Remote On/Off Control (Note 5)
Negative Logic
Physical
ON = Open pin or -0.2V to Vin -1.6V max.
OFF = Vin -0.8V min. to +Vin max.
ON = Open pin (internally pulled up) or
+1.2V to +Vin max.
OFF = -0.3V to +0.3V max. or ground
TBD
Outline Dimensions
Weight
See Mechanical Specifications
0.06 ounces (1.6 grams)
Positive Logic
Safety
Meets UL/cUL 60950-1, CSA-
C22.2 No. 60950-1, IEC/EN 60950-1,
2nd Edition
Current
RoHS-6 (does not claim EU RoHS exemption
7b–lead in solder)
Tracking/Sequencing (optional)
Slew Rate
Tracking accuracy, rising input
Tracking accuracy, falling input
Restriction of Hazardous Substances
2 Volts per millisecond, max.
Vout = 100 mV of Sequence In
Vout = 100 mV of Sequence In
Absolute Maximum Ratings
Input Voltage (Continuous or transient)
On/Off Control
0 V. to +6 Volts max.
0 V. min. to +Vin max.
Output
Output Power
19.8W max.
Input Reverse Polarity Protection
Output Current (Note 7)
None, Install external fuse
Output Voltage Range
See Ordering Guide
No minimum load
2 % of Vnominal
See Ordering Guide
None
Current-limited. Devices can withstand a
sustained short circuit without damage.
The outputs are not intended to accept
appreciable reverse current.
Minimum Loading
Accuracy (50% load, untrimmed)
Voltage Output Range (Note 13)
Overvoltage Protection (Note 16)
Temperature Coefficient
Ripple/Noise (20 MHz bandwidth)
Line/Load Regulation
Storage Temperature
Lead Temperature
-55 to +125 °C.
See soldering specifications
TBD
Absolute maximums are stress ratings. Exposure of devices to greater than any of
any of these conditions may adversely affect long-term reliability. Proper operation
under conditions other than those listed in the Performance/Functional Specifications
Table is not implied nor recommended.
See Ordering Guide and note 8
See Ordering Guide and note 10
See Ordering Guide
Efficiency
Maximum Capacitive Loading (Note 14)
Cap-ESR=0.001 to 0.01 Ohms
Cap-ESR >0.01 Ohms
Specification Notes:
300 ꢁF
TBD
(1) Specifications are typical at +25 °C, Vin=nominal (+5V), Vout=nominal (+3.3V), full load, external caps and
natural convection unless otherwise indicated. Extended tests at full power must supply substantial forced airflow.
Current Limit Inception (Note 6)
(98% of Vout setting, after warm up) 12 Amps
All models are tested and specified with external 10ꢁF ceramic output capacitors and a 22 ꢁF external
input capacitor. All capacitors are low ESR types. These capacitors are necessary to accommodate our test
equipment and may not be required to achieve specified performance in your applications. However, Murata
Power Solutions recommends installation of these capacitors. All models are stable and regulate within
spec under no-load conditions.
Short Circuit Mode
Short Circuit Current Output
Protection Method
10 mA
Hiccup autorecovery upon overload
removal. (Note 17)
Continuous, no damage
(output shorted to ground)
Converter will start up if the external
output voltage is less than Vnominal.
(2) Input Back Ripple Current is tested and specified over a 5 Hz to 20 MHz bandwidth. Input filtering is Cin=2 x
100 ꢁF ceramic, Cbus=1000 ꢁF electrolytic, Lbus=1 ꢁH.
Short Circuit Duration
Prebias Startup
(3) Note that Maximum Power Derating curves indicate an average current at nominal input voltage. At higher
temperatures and/or lower airflow, the DC/DC converter will tolerate brief full current outputs if the total
RMS current over time does not exceed the Derating curve.
(4a) Mean Time Before Failure is calculated using the Telcordia (Belcore) SR-332 Method 1, Case 3, ground fixed
conditions, Tpcboard=+25 ꢀC, full output load, natural air convection.
(4b) Mean Time Before Failure is calculated using the MIL-HDBK-217N2 method, ground benign, +25ºC., full
output load, natural convection.
(5) The On/Off Control Input should use either a switch or an open collector/open drain transistor referenced
to -Input Common. A logic gate may also be used by applying appropriate external voltages which do not
exceed +Vin.
(6) Short circuit shutdown begins when the output voltage degrades approximately 2% from the selected
setting.
www.murata-ps.com
email: sales@murata-ps.com
13 May 2010 MDC_OKL-T/6-W5 Series.A02 Page 4 of 15
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