Input

Input Voltage Range

See Ordering Guide

Recommended External Fuse

20 Amps

Reverse Polarity Protection (Note 9)

None. Use an external fuse.

Isolation

Not isolated. The input and output

commons are internally connected.

Start-Up Voltage

4.2 Volts

Undervoltage Shutdown

3.4 Volts

Reflected (Back) Ripple Current (Note 2) 20 mA pk-pk

Internal Input Filter Type

Capacitive

Input Current:

Full Load Conditions

See Ordering Guide

Inrush Transient

Shutdown Mode (Off, UV, OT)

5 mA

Output Short Circuit

60 mA

No Load, 5V out

80 mA

Low Line (Vin=Vmin, 5Vout)

7.6 Amps

Remote On/Off Control (Note 5)

[Standard version]

Positive Logic

ON = +1.5 V. to +Vin max. or open pin

OFF = –0.3 to +0.4 V. max. or ground pin

Current

1 mA

Remote On/Off Control

[“E” version]

Positive Logic

ON = +2 V. to +Vin max.,

49KΩ pulldown to ground

OFF = open pin or –0.3 to +0.4 V. max.

Current

1 mA max.

Turn-on Time:

Vin on to Vout regulated

6 mSec

Remote On to Vout regulated

6 mSec

Output

Minimum Loading

No minimum load

Output Current Range

0 to 10 Amps

(to rated specifications)

Accuracy (50% load, no trim)

±2 % of Vnom

Temperature Coefficient

±0.02% per °C. of Vout range

Ripple/Noise (20 MHz bandwidth)

See Ordering Guide and note 14

Line/Load Regulation

See Ordering Guide and note 10

Efficiency

See Ordering Guide and performance

graphs

Maximum Capacitive Loading

Cap-ESR=0.001 to 0.015 Ohms

200

μF

Cap-ESR >0.015 Ohms

1000

μF

Current Limit Inception

19 Amps

(98% of Vout setting, after warm up)

Short Circuit Mode (Notes 6, 12)

Short Circuit Current Output

0.6 Amp

Protection Method

Hiccup autorecovery upon overload

removal. (Note 8)

Short Circuit Duration

Continuous, no damage

(output shorted to ground)

Overvoltage protection

None

Performance/Functional Specifications

All specifications are typical unless noted See Note 1.

Dynamic Characteristics

Dynamic Load Response (50 to 100% load step, no external caps)

di/dt = 5 A/

μSec

40

μSec to within ±2% of final value

Peak Deviation

300 mV

Switching Frequency

600 KHz

Environmental

Calculated MTBF (Note 4)

TBD

Operating Temperature Range

-40 to +85 °C., See derating curves

Operating PC Board Range, no derating -40 to +100 °C.

Storage Temperature Range

-55 to +125 °C.

Thermal Protection/Shutdown

+120 °C.

Relative Humidity

to 85%/+85

°C.

Restriction of Hazardous Substances

RoHS-6 (does not claim EU RoHS exemption

7b–lead in solder)

Physical

Outline Dimensions

See Mechanical Specifications

Weight

0.07 ounces (2 grams)

Safety

Meets UL/cUL 60950-1

CSA-C22.2 No. 60950-1

IEC/EN 60950-1

Absolute Maximum Ratings

Input Voltage

Continuous or transient

15 Volts max.

Output Power

50 Watts max. (OKR-T/10-W12)

On/Off Control

0 Volts. min. to +Vin. max.

Input Reverse Polarity Protection

See Fuse section

Output Current

Current-limited. Devices can withstand

sustained short circuit without damage.

Storage Temperature

-40 to +125 deg. 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 Specifications Table is not implied or

recommended.

CAUTION: This product is not internally fused. To comply with safety agency certifications

and to avoid injury to personnel or equipment, the user must supply an external fast-blow

fuse to the input terminals.

OKR-T/10-W12 Series

Adjustable Output 10-Amp SIP-mount DC/DC Converters

www.murata-ps.com

email: sales@murata-ps.com

MDC_OKR-T/10-W12 Series.A02_long Page 4 of 9