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Номер произв OKX-T-3-W5-C
Описание Adjustable 3-Amp SIP Non-Isolated DC/DC Converters
Производители Murata
логотип Murata логотип 

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OKX-T-3-W5-C Даташит, Описание, Даташиты
www.murata-ps.com
OKX T/3-W5 Series
Adjustable 3-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 94.5% 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/3-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 3 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/3-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/3-W5 Series.A01 Page 1 of 15







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OKX-T-3-W5-C Даташит, Описание, Даташиты
OKX T/3-W5 Series
Adjustable 3-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. d Line Load (Volts) (Volts) e
Iin,
no load
(mA)
OKX-T/3-W5-C .7525-3.6 3
9.9 40 ±0.2% ±0.5% 5 2.4-5.5 40
Iin,
full load
(Amps)
Efficiency
Min. Typ.
2.095 92.5% 94.5%
All specifications are typical at nominal line voltage, Vout=nominal (3.3V for W5 models) and full load, +25°C.
d Ripple and Noise (R/N) is shown at Vout=1V. See specs for details.
e 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 / 3 - W5 N - 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
On/Off Logic
P = Positive Logic
N = Negative Logic
Maximum Rated Output
Current in Amps
Input Voltage Range
W5 = 2.4-5.5V
Note: Some model number combinations
may not be available. See Ordering Guide
above. Contact Murata Power Solutions for
availability.
www.murata-ps.com/support
MDC_OKX_T/3-W5 Series.A01 Page 2 of 15







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OKX-T-3-W5-C Даташит, Описание, Даташиты
OKX T/3-W5 Series
Adjustable 3-Amp SIP Non-Isolated DC/DC Converters
FUNCTIONAL SPECIFICATIONS, OKX-T/3-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 9.9 10.1 W
Output Current
Current-limited, no damage,
short-circuit protected
0
3A
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
Operating voltage range
Recommended External Fuse
Turn On/Start-up threshold
Conditions ➀ ➂
Vo < Vin-0.5
Fast blow
Rising input voltage
2.4 5 5.5 Vdc
6A
1.95 2.15 Vdc
Turn Off/Undervoltage lockout 15
Reverse Polarity Protection
Internal Filter Type
Input current
Full Load Conditions
Low Line
Inrush Transient
Short Circuit Input Current
No Load Input Current
No Load Input Current
Shut-Down Mode Input Current
Falling input voltage
None, install external fuse
Vin = nominal (3.3Vo set)
Vin @ min, 3.3 Vout
3.3Vout, Iout @ 0
0.75V, Iout @ 0
1.73 2.07 Vdc
None Vdc
C-TYPE
2.095
2.672
0.04
60
40
20
5
2.183
2.784
50
30
A
A
A2-Sec.
mA
mA
mA
Reflected (back) ripple current
Measured at input with specified filter
20 mA, pk-pk
GENERAL and SAFETY
@ Vin nom, 3.3Vout
92.5 94.5
%
@ Vin min, 3.3Vout
93 95
%
@ Vin nom, 2.5Vout
91 92.5
%
Efficiency
@Vin nom, 1.8Vout
@Vin nom, 1.5Vout
88 90
87 89
%
%
@Vin nom, 1.2Vout
84 86
%
@Vin nom, 1Vout
82 84
%
@Vin nom, 0.7525Vout
78 79
%
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 regulation band,
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
90 μSec
Dynamic Load Peak Deviation
same as above
±200
mV
FEATURES and OPTIONS
Remote On/Off Control 15
“N” suffix:
Negative Logic, ON state
Negative Logic, OFF state
Control Current
“P” suffix:
Positive Logic, ON state
Positive Logic, OFF state
Control Current
Pin open=ON
open collector/drain
Pin open=ON
open collector/drain
0
1.5
+Vin-0.4
0
1
1
0.4 V
+Vin V
mA
+Vin V
0.4 V
mA
www.murata-ps.com/support
MDC_OKX_T/3-W5 Series.A01 Page 3 of 15










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