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OKR-T/1.5-W12-C

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
FEATURES
600 KHz operation
4.5-14 Vdc input voltage range
Programmable output voltage from 0.591-6.0 VDC
High power conversion effi ciency at 93%
Outstanding thermal derating performance
Over temperature and over current protection
On/Off control
SIP, 0.41 x 0.40 x 0.24 inches (10.4 x 10.16 x 6.1 mm)
Certifi ed to UL/EN/IEC 60950-1 safety standards,
2nd edition
RoHS-6 hazardous substance compliance
The OKR-T/1.5-W12-C is a miniature SIP non-isolated Point-of-Load (PoL) DC/DC power converter
measuring only 0.41 x 0.40 x 0.24 inches (10.4 x 10.16 x 6.1 mm). The wide input range is 4.5 to 14 Volts
DC. Based on 600 KHz synchronous buck topology, the high power conversion effi cient Point of Load (PoL)
module features programmable output voltage and On/Off control, under voltage lock out (UVLO), overcur-
rent and over temperature protections. These units are certifi ed to UL/EN/ IEC 60950-1 safety standards
(2nd edition) and RoHS-6 hazardous substance compliance.
PRODUCT OVERVIEW
Figure 1. Connection Diagram
Typical unit
External
DC
Power
Source
F1
On/Off
Control
Common
Common
+Vin +Vout
Trim
Controller
Reference and
Error Amplifier
t4XJUDIJOH
t'JMUFST
t$VSSFOU4FOTF
Rp
Q1
OKR-T/1.5-W12-C
Adjustable Output 1.5-Amp SIP-mount DC/DC Converters
MDC_OKR-T/1.5-W12-C.A03 Page 1 of 16
www.murata-ps.com
www.murata-ps.com/support
For full details go to
www.murata-ps.com/rohs
　
PART NUMBER STRUCTURE
➀ For Vout ≥ 3.3V, Vin should be ≥ (Vout ÷ 0.85) + 0.5V.
➁ All specifi cations are at nominal line voltage, Vout=nominal (5V for W12 models) and full load, +25°C unless
otherwise noted.
➂ Ripple and Noise (R/N) is shown at Vout=1V. See specs for details.
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE
Root Model
Output Input
Effi ciency
Dimensions (Inches)
V
OUT
(Volts)
IOUT
(Amps
max)
Power
(Watts)
R/N (mVp-p) Regulation (Max.)
VIN Nom.
(Volts)
Range
(Volts)
IIN,
no load
(mA)
IIN,
full load
(Amps)Max. Line Load Min. Typ.
OKR-T/1.5-W12-C 0.591-6 1.5 7.5 25 ±0.3% ±0.5% 12 4.5-14 80 0.672 91% 93%
0.41x0.40x0.24
Product Label
Because of the small size of these products, the product label contains a
character-reduced code to indicate the model number and manufacturing date
code. Not all items on the label are always used. Please note that the label dif-
fers from the product photograph on page 1. Here is the layout of the label:
The label contains three rows of information:
First row – Murata Power Solutions logo
Second row – Model number product code (see table)
Third row – Manufacturing date code and revision level
The manufacturing date code is four characters:
First character – Last digit of manufacturing year, example 2009
Second character – Month code (1 through 9 = Jan-Sep;
O, N, D = Oct, Nov, Dec)
Third character – Day code (1 through 9 = 1 to 9, 10 = 0 and
11 through 31 = A through Z)
Fourth character – Manufacturing information
Figure 2. Label Artwork Layout
XXXXXX Product code
Mfg.
date
code
Revision levelYMDX Rev.
Model Number Product Code
OKR-T/1.5-W12-C 54733
Output Voltage Range
T = Trimmable, 0.591-6 Volts
Wide Input Voltage Range
W12 = 4.5 – 14 Volts
W12
Okami Non-isolated PoL
Maximum Rated Output
Current in Amps
SIP-Mount
OK R -/ -T 1.5 C-
RoHS Hazardous
Substance Compliance
C = RoHS-6 (does not claim EU RoHS exemption 7b–lead in solder)
OKR-T/1.5-W12-C
Adjustable Output 1.5-Amp SIP-mount DC/DC Converters
MDC_OKR-T/1.5-W12-C.A03 Page 2 of 16
www.murata-ps.com/support
FUNCTIONAL SPECIFICATIONS
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 14 Vdc
Output Power 0 7.5 7.65 W
Output Current Current-limited, no damage, short-circuit protected 0 1.5 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/Functional Specifi cations Table is not implied or recommended.
INPUT
Operating voltage range Vin≥Vout+2V for 3.3V and 5V 4.5 12 14 Vdc
Recommended External Fuse Fast blow 3 A
Turn On/Start-up threshold Rising input voltage 3.9 4.2 4.4 Vdc
Turn Off/Undervoltage lockout Falling input voltage 3 3.4 3.7 Vdc
Reverse Polarity Protection None, install external fuse None Vdc
Internal Filter Type C-TYPE
Input current
Full Load Conditions Vin = nominal (5Vo set) 0.672 0.701 A
Low Line Vin @ min, 5 Vout 1.122 1.163 A
Inrush Transient 0.4 A
2
-Sec.
Short Circuit Input Current 60 mA
No Load Input Current 5Vout, Iout @ 0 80 100 mA
No Load Input Current 0.59V, Iout @ 0 40 55
Shut-Down Mode Input Current 5mA
Refl ected (back) ripple current
➁
Measured at input with specifi ed fi lter 20 mA, pk-pk
GENERAL and SAFETY
Effi ciency
@ Vin nom, 5Vout 91 93 %
@ Vin min, 5Vout 94 95.5 %
@ Vin nom, 3.3Vout 88.5 90 %
@ Vin nom, 2.5Vout 86 88 %
@Vin nom, 1.8Vout 82.5 84.5 %
@Vin nom, 1.5Vout 80 82.5 %
@Vin nom, 1.2Vout 77 79 %
@Vin nom, 1Vout 74 76 %
Safety
Certifi ed to UL-60950-1, IEC/EN60950-1,
2nd Edition
Yes
Calculated MTBF
➃
Per Telcordia SR332, issue 1, class 3, ground
fi xed, Tambient=+25°C
10.7 Hours x 10
6
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency 600 KHz
Startup Time
Power On to Vout regulated
(100% resistive load)
6mS
Startup Time Remote ON to 10% Vout (50% resistive load) 6 8 mS
Dynamic Load Response
50-100-50% load step, settling time to within
±2% of Vout di/dt = 2.5 A/µSec
50 100 µSec
Dynamic Load Peak Deviation same as above 100 200 mV
FEATURES and OPTIONS
Remote On/Off Control ➄
“P” suffi x: a 49.2K pulldown to ground needed.
Positive Logic, ON state Pin open=ON 2 +Vin V
Positive Logic, OFF state 0 0.2 V
Control Current open collector/drain 1 mA
15
OKR-T/1.5-W12-C
Adjustable Output 1.5-Amp SIP-mount DC/DC Converters
MDC_OKR-T/1.5-W12-C.A03 Page 3 of 16
www.murata-ps.com/support
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

OKR-T/1.5-W12-C

Mfr. #:
Buy OKR-T/1.5-W12-C
Manufacturer:
Description:
Non-Isolated DC/DC Converters 12Vin, 0.591-6Vout 1.5A, Positive Logic
Lifecycle:
New from this manufacturer.
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