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www.murata-ps.com
OKX-T/5-D12 Series
Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
FEATURES
Non-isolated SIP PoL DC/DC power module 8.3-13.8Vdc input voltage range Programmable output voltage from 0.7525-
5.5Vdc Under Voltage shutdown (Vin) Drives 1000 μF ceramic capacitive loads High power conversion efficiency 93% at 5 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-D12 series are miniature SIP nonisolated Point-of-Load (POL) DC/DC power converters 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 8.3 to 13.8 Volts DC at 5 amps. Based on fixed-frequency
synchronous 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-D12
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-D12 Series.A02 Page 1 of 15
OKX-T/5-D12 Series
Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output
VOUT Model Number ➀ (Volts) ➀
IOUT R/N (Amps, Power (mVp-p) max) ➀ (Watts) Max.
Regulation (Max.) Line Load
OKX-T/5-D12-C .7525-5.5 5
25 25 ±0.2% ±0.5%
Input
Vin Nom. Range (Volts) (Volts)
Iin, no load
(mA)
12 8.3-13.8 45
Iin, full load (Amps)
Efficiency Min. Typ.
2.24 91.5% 93.0%
Case
Dimensions are in inches (mm)
0.40x0.90x0.282 (10.16x 22.86x 7.163)
➀ All specifications are at nominal line voltage, Vout=nominal (5V for D12 models) and full load, +25°C unless otherwise noted.
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.
PART NUMBER STRUCTURE
OK X - T / 5 -D12 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
D12 Models = 0.7525-5.5V
Maximum Rated Output Current in Amps
Pin Length Option Blank = Standard pin length L6 = Pin length 0.138 inches (3.5mm)*
On/Off Logic P = Positive Logic N = Negative Logic
Input Voltage Range D12 = 8.3-13.8V
*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-D12 Series.A02 Page 2 of 15
OKX-T/5-D12 Series
Adjustable 5-Amp SIP Non-Isolated DC/DC Converters
FUNCTIONAL SPECIFICATIONS, OKX-T/5-D12-C
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
13.8 Vdc
Output Power
0 25 25.5 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
Vin ≥ Vout +2
8.3 12 13.8 Vdc
Recommended External Fuse
Fast blow
6A
Turn On/Start-up threshold
Rising input voltage, 0A load @1Vout
7.5
8.3 Vdc
Turn Off/Undervoltage lockout 15
Falling input voltage, 0A load @1Vout
7.3
7.8 8.15 Vdc
Reverse Polarity Protection
None, install external fuse
None Vdc
Internal Filter Type
C-TYPE
Input current
Full Load Conditions
Vin = nominal (5Vo set)
2.24
2.322
A
Low Line
Vin @ min, 5 Vout
3.204
3.321
A
Inrush Transient
A2-Sec.
Short Circuit Input Current
mA
No Load Input Current
5Vout, Iout @ 0
45 75 mA
No Load Input Current
0.75V, Iout @ 0
20 35
Shut-Down Mode Input Current
5 mA
R.