UCQ-8/12-D24P-C [MURATA]
Low-Profile, Quarter Brick, 8.3-40 Amp Isolated DC/DC Converters; 低调， 1/4砖， 8.3-40放大器隔离式DC / DC转换器
| 型号： | UCQ-8/12-D24P-C |
| 厂家： | 
muRata |
| 描述： | Low-Profile, Quarter Brick, 8.3-40 Amp Isolated DC/DC Converters |
| 文件： | 总7页 (文件大小：361K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UCP Models
UL/EN Approved "Half-Brick" 40-75 Watt, DC/DC Converters
Single Output
UCP Models
/EN Approved, "Half-Brick"
40-75 Watt, DC/DC Converters
The high efficiency, low noise and long-term reliability that defines DATEL
DC/DC Converters now comes to you in the standard "half-brick" configuration (2.3"
x 2.4" x 0.52"). All models in our new UCP Series meet UL/EN60950 safety require-
ments, including each European country’s deviations. A CB Test Certificate/Report
is available. All models have BASIC insulation; guarantee 1500Vdc isolation; and
because they are designed with Class B thermal insulation, satisfy all safety require-
ments over their full operating temperatures.
UCP Models are designed for demanding telecom, datacom and networking
applications. Their "semi-synchronous-rectifier" design (400kHz switching) achieves
impressive efficiencies (up to 88%). Output voltages are 12 or 15 Volts. Input
voltage ranges are 10-18V ("D12" models), 18-36V ("D24" models) or 36-75V
("D48" models). "D48" models meet the Low Voltage Directive (LVD) and carry the
CE mark.
Features
N
Standard "half-brick" configuration
N
N
UL/EN60950 safety approvals
(BASIC insulation)
mark for "D48" models
(36-75V inputs)
N
N
N
N
N
N
N
Fully isolated, 1500Vdc guaranteed
Output voltages: 12 or 15 Volts
VIN ranges: 10-18V, 18-36V, 36-75V
Full 40-75 Watt output power
For high reliability and affordability, DATEL utilizes high-speed automatic assem-
bly to construct the UCP’s proven SMT-on-pcb designs. All models have been rigor-
ously qualified (including a 500-hour life test) and EMC characterized. Devices are
housed in metal cases (with non-conductive baseplates) that incorporate threaded
inserts for add-on heat sinks and/or pcb mounting.
Reliable SMT-on-pcb construction
Input under and overvoltage shutdown
Output current limiting and
short-circuit protection
UCP’s feature input pi filters, input undervoltage and overvoltage lockout, output
current limiting, short-circuit protection, and thermal shutdown. Additionally, all
devices have output trim capability and an on/off control pin that can be ordered
with either polarity. We can easily modify standard-product UCP’s to meet your
application-specific requirements.
N
N
On/off, VOUT trim and sense functions
Modifications and customs for OEM’s
ꢁ
+VIN
(4)
+VOUT
(5)
10ꢀ
SWITCH
CONTROL
+SENSE
(6)
ꢁ
–VOUT
(9)
ꢂ
10ꢀ
–SENSE
(8)
–VIN
(1)
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
TRIM
(7)
UVLO & OVLO
COMPARATORS
~
The On/Off Control function can be ordered with either positive (standard) or negative polarity.
12V- and 15V-output models have a standard forward architecture in which this FET is replaced
with a Schottky diode.
ꢀ
ON/OFF
CONTROL
(3)
Figure 1. Simplified Schematic
For full details go to
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MDC_UCP40-75W.B02 Page 1 of 7
UCP Models
UL/EN Approved "Half-Brick" 40-75 Watt, DC/DC Converters
~
Performance Specifications and Ordering Guide
Output
Input
Package
(Case,
Pinout)
R/N (mVp-p)
Regulation (Max.)
Efficiency
Min.
VOUT
(Volts) (Amps)
IOUT
POUT
(W)
VIN Nom.
(Volts)
Range
(Volts)
IIN
(mA/A)
Model
Typ.
75
Max.
150
150
150
120
120
120
120
120
120
120
150
150
150
Line
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
0.5ꢀ
Load
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
1.0ꢀ
Typ.
83ꢀ
83ꢀ
83ꢀ
84ꢀ
87ꢀ
86ꢀ
86ꢀ
87ꢀ
86ꢀ
88ꢀ
87ꢀ
88ꢀ
88ꢀ
UCP-3.3/12-D12
UCP-3.3/15-D24
UCP-3.3/15-D48
UCP-5/10-D12
UCP-5/12-D24
UCP-5/12-D48
UCP-5/15-D48
UCP-12/4.2-D12
UCP-12/5-D24
UCP-12/5-D48
UCP-15/3.3-D12
UCP-15/4-D24
UCP-15/4-D48
3.3
3.3
3.3
5
12
15
15
10
12
12
15
4.2
5
40
50
50
50
60
60
75
50
60
60
50
60
60
12
24
48
12
24
48
48
12
24
48
12
24
48
10-18
18-36
36-75
10-18
18-36
36-75
36-75
10-18
18-36
36-75
10-18
18-36
36-75
200/4.2
75/2.6
75/1.3
200/5.2
75/3
81ꢀ
81ꢀ
81ꢀ
82ꢀ
85ꢀ
84ꢀ
84.5ꢀ
85ꢀ
84ꢀ
86ꢀ
85ꢀ
86ꢀ
86ꢀ
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
C12, P17
75
75
75
5
75
5
75
75/1.5
100/1.9
100/5
5
75
12
12
12
15
15
15
75
75
50/3
5
75
50/1.5
100/4.9
50/2.9
50/1.5
3.3
4
100
100
100
4
~ Typical at TA = +25°C under nominal line voltage and full-load conditions unless otherwise noted.
10ꢀ to 100ꢀ load step.
Ripple/Noise (R/N) measured over a 20MHz bandwidth. All models are specified with external
33μF, low-ESR, input capacitors and 10μF tantalum in parallel with 1μF ceramic output capacitors.
Nominal line voltage, no-load/full-load conditions.
P A R T N U M B E R S T R U C T U R E
Optional Functions
U CP - 12 / 5 - D48 N LX
UCP 40-75 Watt DC/DC's are designed with an On/Off Control
Output Configuration:
U = Unipolar
function, with either positive polarity (no suffix) or negative polarity
("N" suffix), in the pin 3 position.
See Optional Functions
Input Voltage Range:
Blank
N
On/Off Control function (positive polarity) on pin 3
On/Off Control function (negative polarity) on pin 3
D12 = 10-18 Volts (12V nominal)
D24 = 18-36 Volts (24V nominal)
D48 = 36-75 Volts (48V nominal)
Standard Half-Brick Package
Nominal Output Voltage:
12 or 15 Volts
L1*
Pin length: 0.110 inches (2.79mm) 0.010
Scheduled quantity orders only.
Maximum Output Current
in Amps
L2*
Pin length: 0.145 inches (3.68mm) 0.010
Scheduled quantity orders only.
M E C H A N I C A L S P E C I F I C A T I O N S
2.30
(58.42)
I/O Connections
METAL CASE
Pin
1
Function P17
–Input
0.515
(13.08)
Case C12
2
Case
INSULATED BASE
3
On/Off Control
+Intput
PIN DIAMETERS:
PINS 1-4, 6-8 0.040 0.002 (1.016 0.051)
4
0.20 MIN.
(5.08)
PINS 5, 9
0.080 0.002 (2.032 0.051)
5
+Output
+Sense
Trim
0.20
6
1.900
(5.08)
(48.26)
0.20
(5.08)
7
8
–Sense
–Output
9
1
2
9
8
7
6
Optional Heat Sinks
1.400
(35.56) (60.96
2.40
2.000
(50.80)
DATEL offers two heat sinks (part
number HS-CP and HS-CPLP2) for
the UCP models. For mechanical
specifications, see page 7.
1.000
(25.40)
3
0.700
(17.78)
0.400
(10.16)
(4) THREADED INSERTS
#M3 THD THRU
4
5
0.50
(12.70)
BOTTOM VIEW
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MDC_UCP40-75W.B02 Page 2 of 7
UCP Models
UL/EN Approved "Half-Brick" 40-75 Watt, DC/DC Converters
Performance/Functional Specifications
Typical @ TA = +25°C under nominal line voltage and full-load conditions, unless noted. ~
Input
Physical
Input Voltage Range:
Dimensions
Shielding
2.3 x 2.4 x 0.515" (58.4 x 61 x 13.1mm)
D12 Models
D24 Models
D48 Models
12-18 Volts (12V nominal)
18-36 Volts (24V nominal)
36-75 Volts (48V nominal)
5-sided
Pin 2
Case Connection
Case Material
Zinc with a non-conductive, epoxy-based
black enamel finish and plastic baseplate
Overvoltage Shutdown:
D12 Models
20 Volts
40 Volts
80 Volts
D24 Models
Pin Material
Weight
Brass, solder coated
D48 Models
5.3 ounces (149 grams)
Start-Up Threshold:
D12 Models
9.5 Volts
17 Volts
35 Volts
~ These power converters require a minimum 10ꢀ output loading to maintain specified
regulation. Operation under no-load conditions will not damage these devices; however
they may not meet all listed specifications.
D24 Models
D48 Models
Undervoltage Shutdown:
D12 Models
All models are specified with external 33μF, low-ESR, input capacitors and 10μF tantalum
in parallel with 1μF ceramic output capacitors.
9 Volts
See Technical Notes for details.
D24 Models
16 Volts
34 Volts
Devices may be ordered with the opposite polarity (pin 3 open = off), or the on/off control
function can be replaced with a sync function. See Part Number Suffixes and Technical
Notes for additional information.
D48 Models
Input Current:
Normal Operating Conditions
Standby Mode (Off, OV, UV)
See Ordering Guide
5mA
Accuracy is specified with the sense pins tied directly to their respective output pins.
Output noise may be further reduced with the installation of additional external output
capacitors. See Technical Notes.
Input Filter Type
Pi
Reverse-Polarity Protection:
D12/D24 Models
Brief duration, 15A maximum
Brief duration, 10A maximum
Absolute Maximum Ratings
D48 Models
On/Off Control (Pin 3)
TTL high (or open) = on, low = off
Input Voltage:
Continuous:
Output
D12 Models
D24 Models
D48 Models
22 Volts
44 Volts
88 Volts
VOUT Accuracy (50ꢀ load):
3.3V Outputs
1.5ꢀ, maximum
1ꢀ, maximum
5/12/15V Outputs
Transient (100msec):
D12 Models
D24 Models
25 Volts
50 Volts
100 Volts
Temperature Coefficient
Ripple/Noise (20MHz BW) ~
Line/Load Regulation
Efficiency
0.04ꢀ per °C
See Ordering Guide
See Ordering Guide
See Ordering Guide
D48 Models
Input Reverse-Polarity Protection
Current must be <15/10 Amps. Brief
duration only. Fusing recommended.
Output Overvoltage Protection
3.3V Outputs
5V Outputs
Isolation Voltage:
Input-to-Output
Input-to-Case
4.5 Volts, limited duration
6.8 Volts, limited duration
15 Volts, limited duration
18 Volts, limited duration
1500Vdc, minimum
1500Vdc, minimum
1500Vdc, minimum
12V Outputs
15V Outputs
Output-to-Case
Isolation Capacitance
Isolation Resistance
750pF
Output Current
Current limited. 12/15V devices can
withstand an output short circuit for a
brief duration only. 3.3/5V devices can
withstand output shorts indefinitely.
100MΩ
Current Limiting:
3.3V and 5V Outputs
12V and 15V Outputs
Hiccup technique, auto-recovery
Power-limiting technique, auto-recovery
Storage Temperature
–40 to +105°C
+300°C
Overvoltage Protection
Zener/transorb clamp, magnetic feedback
200μsec max. to 1.5ꢀ of final value
Lead Temperature (soldering, 10 sec.)
Dynamic Characteristics
These are stress ratings. Exposure of devices to 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.
Transient Response (50ꢀ load step)
Start-Up Time:
VIN to VOUT
50msec
30msec
On/Off to VOUT
Switching Frequency
400kHz ( 25kHz)
Environmental
Operating Temperature (Ambient):
Without Derating
–40 to +45/50°C (Model dependent)
to +100°C (See Derating Curves)
With Derating
Case Temperature:
Maximum Allowable
For Thermal Shutdown
+100°C
+95°C minimum, +105°C maximum
Storage Temperature
–40 to +105°C
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MDC_UCP40-75W.B02 Page 3 of 7
UCP Models
UL/EN Approved "Half-Brick" 40-75 Watt, DC/DC Converters
D12 Models (50 Watts)
60
50
40
30
20
10
0
60
50
40
30
20
10
0
Natural Convection Cooling
150 Linear Feet Per Minute
300 Linear Feet Per Minute
Natural Convection Cooling
150 Linear Feet Per Minute
300 Linear Feet Per Minute
–40
0
30 35 40
45 50 55 60
65 70 75 80 85
90 95 100
–40
0
30 35 40
45 50 55 60
65 70 75 80 85
90 95 100
Ambient Temperature (°C)
Ambient Temperature (°C)
Figure 2a. Temperature Derating Without Heat Sink
Figure 2b. Temperature Derating With HS-CP Heat Sink
D24 Models (60 Watts)
60
50
40
30
20
10
0
60
50
40
30
20
10
0
Natural Convection Cooling
150 Linear Feet Per Minute
300 Linear Feet Per Minute
Natural Convection Cooling
150 Linear Feet Per Minute
300 Linear Feet Per Minute
–40
0
30 35 40
45 50 55 60
65 70 75 80 85
90 95 100
95 100
–40
0
30 35 40
45 50 55 60
65 70 75 80 85
90
Ambient Temperature (°C)
Ambient Temperature (°C)
Figure 3a. Temperature Derating Without HS-CP Heat Sink
Figure 3b. Temperature Derating With HS-CP Heat Sink
D48 Models (60 Watts)
60
50
40
30
20
10
0
60
50
40
30
20
10
0
Natural Convection Cooling
150 Linear Feet Per Minute
300 Linear Feet Per Minute
Natural Convection Cooling
150 Linear Feet Per Minute
300 Linear Feet Per Minute
–40
0
30 35 40
45 50 55 60
65 70 75 80 85
90 95 100
–40
0
30 35 40
45 50 55 60
65 70 75 80 85
90 95 100
Ambient Temperature (°C)
Ambient Temperature (°C)
Figure 4a. Temperature Derating Without HS-CP Heat Sink
Figure 4b. Temperature Derating With HS-CP Heat Sink
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MDC_UCP40-75W.B02 Page 4 of 7
UCP Models
UL/EN Approved "Half-Brick" 40-75 Watt, DC/DC Converters
T E C H N I C A L N O T E S
On/Off Control (Standard)
Floating Outputs
The On/Off Control pin (pin 3) may be used for remote on/off operation.
As shown in Figure 5, the control pin is referenced to the –Input (pin 1) and
has an internal pull-up resistor (28.7kΩ, 75kΩ and 100kΩ respectively for
D12, D24 and D48 models) to the +Input (pin 4). The standard UCP converter
is designed so that it is enabled when the control pin is left open and disabled
when the control pin is pulled low (to less than +0.8V relative to –Input).
When left open, pin 3 is pulled up to approximately 5V on "D24" models and
8V on "D48" models.
Since these are isolated DC/DC converters, their outputs are "floating."
Designers will usually use the –Output (pin 9) as the ground/return of the
load circuit.You can, however, use the +Output (pin 5) as ground/return to
effectively reverse the output polarity.
Filtering and Noise Reduction
All UCP DC/DC Converters achieve their rated ripple and noise specifications
using the external input and output capacitors specified in the Performance/
Functional Specifications table. In critical applications, input/output noise may
be further reduced by installing additional external I/O caps. Input capacitors
should be selected for bulk capacitance, low ESR and high rms-ripple-current
ratings. Output capacitors should be selected for low ESR and appropriate
frequency response. All caps should have appropriate voltage ratings and be
mounted as close to the converters as possible.
Dynamic control of the on/off function is best accomplished with a mechanical
relay or an open-collector/open-drain drive circuit (optically isolated if appro-
priate). The drive circuit should obviously be able to sink approximately 1mA
when activated and withstand more than 10 Volts when deactivated.
Applying an external voltage to pin 3 when no input power is applied to
the converter can cause permanent damage to the converter. The on/off
control function, however, is designed such that the converter can be disabled
(pin 3 pulled low) while input power is ramping up and then "released" once
the input has stabilized. Under these circumstances, it takes approximately
30ms for the output of the fully loaded DC/DC to ramp up and settle to within
rated accuracy.
The most effective combination of external I/O capacitors will be a function
of your particular load and layout conditions. Our Applications Engineers will
be happy to recommend potential solutions and can discuss the possibility of
our modifying a given device’s internal filtering to meet your specific require-
ments. Contact our Applications Engineering Group for additional details.
Input Fusing
For UCP converters configured with the negative-polarity option on the On/Off
Control pin ("N" suffix added to part number), operation is exactly opposite
to that described above.
Certain applications and/or safety agencies may require the installation of
fuses at the inputs of power conversion components. Fuses should also be
used if the possibility of sustained, non-current-limited, input-voltage polarity
reversals exists. For DATEL UCP DC/DC Converters, you should use slow-
blow type fuses with values no greater than the following.
+INPUT
4
3
VIN Range
D12 Models
D24 Models
D48 Models
Fuse Value
7 Amps
6 Amps
3 Amps
ON/OFF
CONTROL
Start-Up Threshold and Undervoltage Shutdown
Under normal start-up conditions, devices will not begin to regulate until
the ramping-up input voltage exceeds the Start-Up Threshold Voltage (35V
for "D48" models). Once operating, devices will not turn off until the input
voltage drops below the Undervoltage Shutdown/Lockout limit (34V for "D48"
models). Subsequent re-start will not occur until the input is brought back
up to the Start-Up Threshold. This built-in hysteresis obviously avoids any
unstable on/off situations at a single voltage.
1
–INPUT
Figure 5. Driving the On/Off Control Pin
Start-Up Time
The VIN to VOUT start-up time is the interval between the time at which
a ramping input voltage crosses the turn-on threshold point and the fully-
loaded output voltage enters and remains within its specified accuracy band.
Actual measured times will vary with input source impedance, external input
capacitance, and the slew rate and final value of the input voltage as it
appears to the converter.
Input Reverse-Polarity Protection
Upon applying a reverse-polarity voltage to the DC/DC converter, an internal
diode will be forward biased and draw excessive current from the power
source. Therefore, it is required that the input current be limited be either an
appropriately rated input fuse or a current limited power source.
The On/Off to VOUT start-up time assumes the converter has its nominal input
voltage applied but is turned off via the On/Off Control. The specification
defines the interval between the time at which the converter is turned on
and the fully loaded output voltage enters and remains within its specified
accuracy band.
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MDC_UCP40-75W.B02 Page 5 of 7
UCP Models
UL/EN Approved "Half-Brick" 40-75 Watt, DC/DC Converters
Output Trimming
VOUT may be trimmed 5ꢀ via a single trimpot or fixed resistor. As shown
in Figure 6, the trimpot should be connected between +Output (pin 5) and
–Output (pin 9) with its wiper connected to Trim (pin 7). A trimpot can also be
used to determine the value of a single fixed resistor which can be connected
between pin 7 (Trim) and pin 5 (+Output) to trim "down" the output voltage,
or between pins 7 (Trim) and 9 (–Output) to trim "up" the output voltage, as
shown in Figure 7. Fixed resistors should be metal-film types with absolute
TCR's less than 100ppm/°C to ensure stability.
5
+OUTPUT
4
+INPUT
20k
7
5-10
Turns
TRIM
LOAD
1
–INPUT
9
The Sense Pins
–OUTPUT
Switching DC/DC converters incorporate a feedback loop that continuously
monitors the difference between the output voltage and an internal precision
reference. In situations in which load currents and/or conductor impedances
are relatively high, there may be unacceptable voltage drops between the
converter output and its load. The purpose of the Sense pins (pins 6 and 8)
is to monitor and feed back the output voltage at the load, rather than at the
output of the converter, and to adjust the converter output as necessary to
maintain the load voltage at its desired level.
Figure 6.Trim Connections Using a Trimpot
5
+OUTPUT
4
1
Trim
Down
+INPUT
The Sense pins (which the converter output sees as having an effective 10
Ohm line impedance) should be connected across the output voltage at the
load and not at the output of the converter. See Figure 8. The Sense pins
then function similar to the Trim pin, and they effectively have the same 5ꢀ
compensation range. If, for example, the combination of load current and line
impedance causes a 5V output to drop to +4.75V at its load (a 5ꢀ drop), the
sense function will compensate by raising the output voltage at the converter
to +5.25V. If the load voltage drops to +4.5V, the sense function will not be
able to compensate for the full drop, and other measures (like reducing line
impedance) must be taken.
7
9
LOAD
TRIM
–INPUT
Trim Up
–OUTPUT
Figure 7.Trim Connections Using Fixed Resistors
If you are using both the external Trim and Sense functions, you must not
attempt to force the converter output voltage more than 5ꢀ above its initial,
"untrimmed" value.
5
+OUTPUT
4
1
+SENSE
+INPUT
–INPUT
6
8
When UCP DC/DC Converters are tested for output accuracy during final
test, the Sense pins are connected directly to their respective output pins.
LOAD
–SENSE
Case Connection
–OUTPUT
Unlike most other DC/DC converters, UCP DC/DC's do not have their metal
case connected to one of their input pins. The "uncommitted" case is con-
nected to pin 2 which, depending upon your system configuration, should
be connected to either +Input (pin 4), –Input (pin 1), –Output (pin 9), or
earth ground.
9
Figure 8. Sense Connections Made at the Load
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MDC_UCP40-75W.B02 Page 6 of 7
UCP Models
UL/EN Approved "Half-Brick" 40-75 Watt, DC/DC Converters
Heat Sinks for UCP Series
DATEL offers two standard heat sinks that can be mounted to the half-brick
package to extend the converter's operating temperature range. Along with
the standard 2.3" x 2.4" x 0.5" (HS-CP) heat sink, DATEL has designed
a low-profile heat sink for height-restricted applications. This new heat sink
(HS-CPLP2) is designed with radiant fins that extend 0.51" beyond either
side of the 2.4" dimension of the BCP package. The convenience of this
design is that the finned extensions protrude only 0.31" below the top surface
of the DC/DC converter, allowing components with a profile height less than
0.2" to be mounted on the pc board below the heat sink. Therefore, while
the surface area of the low-profile heat sink measures 2.3" x 3.5", pcb real
estate is unaffected.
Optional Heat Sinks (Part Number HS-CP)
0.50 (12.70) TYP.
051 (12.95) MAX.
2.30
(58.42)
0.10
(2.54)
1.900
0.20
(48.26)
(5.08)
2.000
(50.80) (60.96)
2.40
For optimum thermal performance in a natural convection application, the
low-profile heat sink should be mounted with the fins vertically oriented. Both
models are shipped with 0.009" sellf-adhesive thermal pad and mounting
screws.
TOP VIEW
0.20
(5.08)
MATERIAL: BLACK ANODIZED ALUMINUM
4 MOUNTING SCREWS AND 0.009 (0.229)
THICK THERMAL PAD INCLUDED
0.147 DIA. (3.734)
(4 PLACES)
Note: When mounting the heat sink to the UCP converter:
1. Maximum applied torque is 2 in-lbs.
Optional Heat Sink (Part Number HS-CPLP2)
2. Minimum thread engagement of the mounting screws is 12mm deep.
6
ꢀꢁꢂꢃ
ꢄꢅꢅꢁꢆꢃꢇ
ꢃꢁꢊꢃ
ꢄꢂꢁꢃꢅꢇ
ꢊꢁꢃꢃꢃ
ꢄꢂꢃꢁꢅꢃꢇ
ꢃꢁꢈꢂ
ꢄꢉꢆꢁꢃꢂꢇ
5
4
HS-CPLP2
3
HS-CP
2
ꢉꢁꢆꢃꢃ
ꢄꢋꢅꢁꢊꢌꢇ
ꢊꢁꢀꢃ
ꢄꢂꢅꢁꢋꢊ
1
0
0
100
200
300
400
500
600
700
ꢃꢁꢉꢋꢃ 4(25 !.$ #/5.4%23).+
ꢆꢃ 4/ ꢃꢁꢊꢌ ꢄꢋ 0,!#%3ꢇ
AIR VELOCITY (FT./MIN.)
-!4%2)!,ꢍ ",!#+ !./$):%$ !,
Figure 9. HS-CP and HS-CPLP2 Heat Sink Performance Vs. Air Flow
Threaded Inserts and Heatsink Installation
ꢃꢁꢋꢈ
ꢄꢉꢉꢁꢆꢋꢇ
ꢃꢁꢉꢌ
ꢄꢋꢁꢃꢌꢇ
ꢊꢁꢋꢅ
ꢄꢌꢊꢁꢆꢆꢇ
CAUTION: Do not use the threaded inserts to bolt the converter down to a
PC board. That will place unnecessary force on the mounting pins. Instead,
the converter is held securely by only soldering the mounting pins.
When attaching the heat sink from above the converter, use a maximum
torque of 2 inch-pounds (0.23 N-m) on the M3 bolts to avoid damaging the
threaded inserts. Use a tiny amount of fastener adhesive or M3 lockwashers
to secure the bolts.
USA:
Canada: Toronto, Tel: (866) 740-1232, email: toronto@murata-ps.com
UK: Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com
Mansfield (MA), Tel: (508) 339-3000, email: sales@murata-ps.com
Murata Power Solutions, Inc.
France: Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com
Germany: München, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356
www.murata-ps.com email: sales@murata-ps.com ISO 9001 REGISTERED
Japan: Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com
Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com
Website: www.murata-ps.jp
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
China:
Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com
Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com
notice.
© 2008 Murata Power Solutions, Inc.
06/12/08
www.murata-ps.com
Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000
MDC_UCP40-75W.B02 Page 7 of 7
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