OKY-T/10 & T/16-D12 Series
www.murata-ps.com
Programmable DOSA-SMT 10/16-Amp DC/DC Converters
PRODUCT OVERVIEW
The OKY-T/10 and -T/16 series are miniature ef cient Point of Load (POL) module features pro-
SMT non-isolated Point-of-Load (POL) DC/DC power grammable output voltage and On/Off control. An
converters for embedded applications. The module optional Sequence/Tracking input allows controlled
is fully compatible with Distributed-power Open ramp-up and ramp-down outputs. The Sense input
Standards Alliance (DOSA) industry-standard provides remote sense. These converters also
speci cations (www.dosapower.com). Applications include under voltage lock out (UVLO), output short
include powering CPUs, datacom/telecom systems, circuit protection, over-current and over tempera-
TTypical unitypical unit
programmable logic and mixed voltage systems. ture protections.
The wide input range is 8.3 to 14 Volts DC. Two These units are designed to meet all standard
maximum output currents are offered, 10 Amps UL/EN/IEC 60950-1 safety and FCC EMI/RFI
(T/10 models) or 16 Amps (T/16 models). Based emissions certi cations and RoHS-6 hazardous
on xed-frequency synchronous buck converter substance compliance.
switching topology, the high power conversion
FEATURES
Wide 8.3-14 VDC input range
Non-isolated output adjustable from 0.7525 to
5.5 Volts up to 16 Amps
Contents Page
DOSA-compatible SMT package
Description, Connection Diagram, Photograph 1
Optional sequence/tracking operation
Ordering Guide, Model Numbering 2
Outstanding thermal performance and derating
Mechanical Speci cations, Input/Output Pinout 3
Short circuit protection Detailed Electrical Speci cations 4
Output Voltage Adjustment, Soldering Guidelines 5
On/Off control
Application Notes 6
High ef ciency up to 94.5%
Performance Data OKY2-T/10-D12 9
Over temperature protection
Performance Data and Oscillograms OKY2-T/16-D12 11
Tape and Reel Information 16
Meets UL/EN/IEC 60950-1 safety approvals.
Product Label, MTBF Table 17
Simpli ed Block Diagram
+Vin +Vout
t4XJUDIJOH
F1
On/Off
Sense
Control
t' JMUFST
Controller
t$VSSFOU4FOTF
External
Trim
DC
Power
Reference and
Open = On
Source
Error Amplier
Closed = Off
(Positive
On/Off)
Common Common
Figure 1. OKY-T/10, -T/16
Sequence/Tracking (OKY2 only)
Note: Murata Power Solutions strongly recommends an external input fuse, F1.
See speci cations.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
MDC_OKY_T10T16.D12.A08 Page 1 of 17OKY-T/10 & T/16-D12 Series
Programmable DOSA-SMT 10/16-Amp DC/DC Converters
Performance Speci cations Summary and Ordering Guide
ORDERING GUIDE
Output Input Package, C83
IOUT R/N (mVp-p) Regulation (Max.) VIN IIN, IIN, Ef ciency
VOUT (Amps Power Nom. Range no load full load
Model Number (Volts) max) (Watts) Max. Line Load (Volts) (Volts) (mA) (Amps) Min. Typ. Case Pinout
1.3x0.53x0.33
OKY-T/10-D12P-C 0.7525-5.5 10 50 40 0.15% 0.25% 12 8.3-14 80 4.41 93% 94.5% Pos. No P66
(33x13.5x8.4)
1.3x0.53x0.33
OKY-T/10-D12N-C 0.7525-5.5 10 50 40 0.15% 0.25% 12 8.3-14 80 4.41 93% 94.5% Neg. No P66
(33x13.5x8.4)
1.3x0.53x0.33
OKY2-T/10-D12P-C 0.7525-5.5 10 50 40 0.15% 0.25% 12 8.3-14 80 4.41 93% 94.5% Pos. Yes P66
(33x13.5x8.4)
1.3x0.53x0.33
OKY2-T/10-D12N-C 0.7525-5.5 10 50 40 0.15% 0.25% 12 8.3-14 80 4.41 93% 94.5% Neg. Yes P66
(33x13.5x8.4)
1.3x0.53x0.33
OKY-T/16-D12P-C 0.7525-5.5 16 80 40 0.22% 0.25% 12 8.3-14 80 7.09 92.5% 94% Pos. No P66
(33x13.5x8.4)
1.3x0.53x0.33
OKY-T/16-D12N-C 0.7525-5.5 16 80 40 0.22% 0.25% 12 8.3-14 80 7.09 92.5% 94% Neg. No P66
(33x13.5x8.4)
1.3x0.53x0.33
OKY2-T/16-D12P-C 0.7525-5.5 16 80 40 0.22% 0.25% 12 8.3-14 80 7.09 92.5% 94% Pos. Yes P66
(33x13.5x8.4)
1.3x0.53x0.33
OKY2-T/16-D12N-C 0.7525-5.5 16 80 40 0.22% 0.25% 12 8.3-14 80 7.09 92.5% 94% Neg. Yes P66
(33x13.5x8.4)
Dimensions are in inches (mm). Use adequate ground plane and copper thickness adjacent to the converter.
The input voltage range must be 13.2 Volts max. for Vout >= 3.63 V. Ripple and Noise (R/N) is shown at Vout=1V. See specs for details.
All specifications are at nominal line voltage, Vout=nominal (5V for D12 models) and full load, +25 deg.C.
unless otherwise noted.
Output capacitors are 1 F ceramic and 10 F electrolytic in parallel. Input cap is 22 F. See detailed specifications.
I/O caps are necessary for our test equipment and may not be needed for your application.
PART NUMBER STRUCTURE
OK Y 2-/T 16 - D12 P - C
Okami Non-isolated PoL RoHS Hazardous
Substance Compliance
C = RoHS-6 (does not claim EU RoHS exemption 7blead in solder)
Surface Mount
Sequence/tracking
On/Off Polarity
Blank=Not installed, delete seq/track contact
P = Positive Polarity
2=Installed, add seq/track contact
N = Negative Polarity
Trimmable Output
Voltage Range
Input Voltage Range
D12 Models = 0.7525-5.5V
D12 = 8.3-14V
Maximum Rated Output
Current in Amps
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MDC_OKY_T10T16.D12.A08 Page 2 of 17
On/Off
Polarity
Sequence/
Track