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Номер произв OKX-T-5-W5-C
Описание Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
Производители Murata
логотип Murata логотип 

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OKX-T-5-W5-C Даташит, Описание, Даташиты
www.murata-ps.com
OKX T/5-W5 Series
Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
FEATURES
Non-isolated SIP PoL DC/DC power module
2.4-5.5Vdc input voltage range
Programmable output voltage from 0.7525-
3.366Vdc
Under Voltage shutdown (Vin)
Drives 1000 μF ceramic capacitive loads
High power conversion efficiency 95% at 3.3
Vout (typical)
Outstanding thermal derating performance
Over temperature and over current protection
On/Off control
UL60950, CSA-C22.2 No.60950 IEC/EN60950
(pending)
Industry-standard (DOSA) SIP format
RoHS-6 hazardous substance compliance
Typical unit
PRODUCT OVERVIEW
The OKX-T/5-W5 series are miniature SIP non-
isolated Point-of-Load (PoL) DC/DC power convert-
ers for embedded applications. The module is fully
compatible with Distributed-power Open Standards
Alliance industry-standard specifications.
Applications include powering CPU’s, datacom/
telecom systems, programmable logic and mixed
voltage systems. The wide input range is 2.4 to 5.5
Volts DC at 5 amps. Based on fixed-frequency syn-
chronous buck converter switching topology, the
high power conversion efficient Point of Load (PoL)
module features programmable output voltage
and On/Off control. These converters also include
under voltage lock out (UVLO), output short circuit
protection, over-current and over temperature
protections. These units are designed to meet all
standard UL/EN/IEC 60950-1 safety certifications
and RoHS-6 hazardous substance compliance.
+Vin
F1
On/Off
Control
External
DC
Power
Source
Open = On
Closed = Off
(Positive
On/Off)
Common
Connection Diagram
Controller
t4XJUDIJOH
t'JMUFST
t$VSSFOU4FOTF
Reference and
Error Amplifier
Figure 1. OKX-T/5-W5
Note: Murata Power Solutions strongly recommends an external input fuse, F1.
See specifications.
+Vout
Trim
Common
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
(pending)
MDC_OKX_T/5-W5 Series.A02 Page 1 of 13







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OKX-T-5-W5-C Даташит, Описание, Даташиты
OKX T/5-W5 Series
Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE
Output
Input
Model Number
VOUT
(Volts)
IOUT R/N Regulation (Max.)
(Amps, Power (mVp-p)
Vin Nom. Range
max) (Watts) Max. Line Load (Volts) (Volts)
Iin,
no load
(mA)
OKX-T/5-W5-C .7525-3.6 5
16.5 40 ±0.25% ±0.5% 5 2.4-5.5 20
Iin,
full load
(Amps)
3.474
Efficiency
Min. Typ.
92% 95.0%
All specifications are typical at nominal line voltage, Vout=nominal (3.3V for W5 models) and full load, +25°C.
Ripple and Noise (R/N) is shown at Vout=1V. See specs for details.
The input voltage range must be 0.5V greater than the output voltage.
Dimensions
in inches (mm)
0.40x0.90x0.282
(10.16x 22.86x 7.163)
PART NUMBER STRUCTURE
OK X - T / 5 - W5 N Lx - C
Okami Non-isolated PoL
RoHS Hazardous Substance Compliance
C = RoHS-6 (does not claim EU RoHS
exemption 7b–lead in solder)
SIP Mount
Trimmable Output
Voltage Range
W5 Models = 0.7525-3.63V
Maximum Rated Output
Current in Amps
Pin Length Option
Blank = Standard pin length
L6 = Pin length 0.138 inches (3.5mm)*
On/Off Polarity
P = Positive Polarity
N = Negative Polarity
Input Voltage Range
W5 = 2.4-5.5V
*Special quantity order is
required; samples available
with standard pin length only.
Note:
Some model number combinations
may not be available. See website
or contact your local Murata sales
representative.
www.murata-ps.com/support
MDC_OKX_T/5-W5 Series.A02 Page 2 of 13







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OKX-T-5-W5-C Даташит, Описание, Даташиты
OKX T/5-W5 Series
Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
FUNCTIONAL SPECIFICATIONS, OKX-T/5-W5-C
ABSOLUTE MAXIMUM RATINGS
Conditions
Minimum
Typical/Nominal
Maximum
Units
Input Voltage, Continuous
Full power operation
0
5.8 Vdc
Input Reverse Polarity
None, install external fuse
None Vdc
On/Off Remote Control
Power on or off, referred to -Vin
0
5.5 Vdc
Output Power
0
16.5
16.83
W
Output Current
Current-limited, no damage,
short-circuit protected
0
5A
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 Specifications Table is not implied or recommended.
INPUT
Conditions ➀ ➂
Operating voltage range
Vo < Vin-0.5
2.4 5 5.5 Vdc
Recommended External Fuse
Fast blow
6A
Turn On/Start-up threshold
Rising input voltage
1.95 2.05 2.15 Vdc
Turn Off/Undervoltage lockout 15
Falling input voltage
1.73 1.9 2.07 Vdc
Reverse Polarity Protection
None, install external fuse
None Vdc
Internal Filter Type
C-TYPE
Input current
Full Load Conditions
Vin = nominal (3.3Vo set)
3.474
3.659
A
Low Line
Vin @ min, 3.3 Vout
4.407
4.691
A
Inrush Transient
0.04 A2-Sec.
Short Circuit Input Current
150 mA
No Load Input Current
3.3Vout, Iout @ 0
20 50 mA
No Load Input Current
0.75V, Iout @ 0
15 40
Shut-Down Mode Input Current
50 mA
Reflected (back) ripple current
Measured at input with specified filter
80 mA, pk-pk
GENERAL and SAFETY
@ Vin nom, 3.3Vout
92 95
%
@ Vin min >3.3Vdc
93 94.5
%
@ Vin nom, 2.5Vout
90 92.5
%
Efficiency
@Vin nom, 1.8Vout
@Vin nom, 1.5Vout
87 90
86.5 88.5
%
%
@Vin nom, 1.2Vout
84 86
%
@Vin nom, 1Vout
81 84
%
@Vin nom, 0.7525Vout
78 81
Safety (certified to the following
requirements)
UL-60950-1, CSA-C22.2 No.60950-1, IEC/
EN60950-1, 2nd edition (pending)
Yes
Calculated MTBF
Class 3, ground fixed, Tambient=+25°C
TBD Hours x 106
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency
250 300 350 KHz
Startup Time
Power On to Vout regulated
100% resistive load
8 10 mS
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
60 90 μSec
Dynamic Load Peak Deviation
same as above
±200
±300
mV
FEATURES and OPTIONS
Remote On/Off Control
“N” suffix:
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” suffix:
Positive Logic, ON state
Pin open=ON
1
+Vin V
Positive Logic, OFF state
0 0.4 V
Control Current
open collector/drain
1 mA
www.murata-ps.com/support
MDC_OKX_T/5-W5 Series.A02 Page 3 of 13










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