MJW25-48S15 [TOTAL-POWER]
Highest Power Density;
| 型号： | MJW25-48S15 |
| 厂家： | 
TOTAL POWER INTERNATIONAL |
| 描述： | Highest Power Density |
| 文件： | 总10页 (文件大小：539K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FEATURES
►Highest Power Density
►1" x 1" x 0.4" Shielded Metal Package
►Wide 2:1 Input Range
►Excellent Efficiency up to 90%
►Operating Temp. Range -40°C to +80°C
►Optional Heatsink
►I/O-isolation Voltage 1500VDC
►Remote On/Off Control
►Over Load Protection
►CSA/UL/IEC/EN 60950-1 (Approval pending)
►3 Year Product Warranty
PRODUCT OVERVIEW
The MJW25 series is the latest range of a new generation of high performance dc-dc converter modules with very high powedensit
The product offers fully 25W in a shielded metal package with dimensions of just 1.0”x1.0”x0.4”. All models provide wide 2input rae and tightly
regulated output voltage.By state-of-the-art circuit topology a very high efficiency up to 90% could be achieved allowig an erng tempature
range of -40°C to +80°C (with derating).
These converters are qualified for demanding applications in battery operated equipment,instrumetation,data communtion,industrial and many other
space critical applications.
Model Selection Guide
Model
Input
Output
Output Current
Input Current
flected
Rie
Over
Max. capacitive
Load
Efficiency
(typ.)
Number
Voltage
(Range)
Voltage
Voltage
Current
Protection
@Max. Load
@No Lod
Max.
mA
@Max. Load
VDC
VDC
3.3
5
mAp.
190
2340
2
2350
2340
2360
9
mAp.)
(typ.)
VDC
3.9
6.2
15
μF
%
87
89
89
89
89
89
88
90
90
90
89
89
88
90
90
90
89
89
MJW25-12S033
MJW25-12S05
MJW25-12S12
MJW25-12S15
MJW25-12D12
MJW25-12D15
MJW25-24S033
MJW25-24S05
MJW25-24S12
MJW25-24S15
MJW25-24D12
MJWI25-24D15
MJW25-48S033
MJW25-48S05
MJW25-48S12
MJW25-48S15
MJW25-48D12
MJW25-48D15
6000
5000
2090
1670
±1040
6000
500
90
1670
±1040
±840
6000
5000
2090
1670
±1040
±840
10300
6800
1200
750
85
12
12
80
(9 ~ 18)
15
80
18
±12
±15
.3
5
75
±15
±18
3.9
6.2
15
680#
380#
10300
6800
1200
750
75
55
1160
1160
1160
1170
1180
470
60
24
12
55
50
30
(18 ~ )
5
55
18
±1
±15
3.3
5
50
±15
±18
3.9
6.2
15
680#
380#
10300
6800
1200
750
50
35
580
40
48
12
580
35
(36 ~ 75)
15
580
35
18
±12
±15
585
40
±15
±18
680#
380#
590
40
# For each output
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Input Specifications
Parameter
Model
Min.
-0.7
-0.7
-0.7
---
Typ.
---
Max.
25
Unit
12V Input Models
24V Input Models
48V Input Models
12V Input Models
24V Input Models
48V Input Models
Input Surge Voltage (100ms max.)
---
50
---
100
9
VDC
---
Start-Up Threshold Voltage
Input Polarity Protection
---
---
18
---
---
36
None
Power Up
Start Up Time
---
---
---
---
30
30
ms
ms
Nominal Vin and Constant Resistive Load
All Models
Remote On/Off
Internal Filter Type
LC Filter (for EN55022,Class A or Class B compliance see page 9)
Hiccup Mode, 0.7Hz typ.
Short Circuit Current
Output Specifications
Parameter
Conditions
At 50% Load and Nominal Vin
Dual Output, Balanced Loads
Vin=Min. to Max.
Min.
Typ.
---
Max.
±1.0
Unit
Output Voltage Setting Accuracy
Output Voltage Balance
Line Regulation
---
%Vnom.
---
---
---
---
±2.0
±0.2
±0.2
±1.0
±5.0
%
%
%
%
%
---
Single Output
---
---
---
Load Regulation
No Load to Full Load
---
Dual Output
---
Cross Regulation (Dual)
Min.Load
Asymmetrical load 25% / 100% FL
No minimum Load Requirement
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Transient Recovery Time
Temperature Coefficient
Over Load Protection
Short Circuit Protection
Over Voltage Protection
3.3V & 5V Models
12V , 15V & Dual Models
25% Load Step Change
---
---
---
---
100
150
250
---
---
---
mV P-P
mV P-P
μsec
---
±0.02
%/℃
Current Limitation at 150% typ. of Iout max., Hiccup
Hiccup Automatic Recovery
For Shutdown Voltage see Model Selection Guide
General Specifications
Parameter
Conditions
60 Seconds
500 VDC
Min.
1500
1000
---
Typ.
---
Max.
---
Unit
VDC
MΩ
I/O Isolation Voltage (rated)
I/O Isolation Resistance
I/O Isolation Capacitance
Switching Frequency
MTBF(calculated)
---
---
100KHz, 1V
---
2000
---
pF
---
285
---
KHz
Hours
MIL-HDBK-217F@25℃, Ground Benign
372,000
---
UL/cUL 60950-1 recognition(CSA certificate), IEC/EN 60950-1(CB-scheme)
Safety Approvals(pending)
Input Fuse
12V Input Models
5000mA Slow-Blow Type
24V Input Models
48V Input Models
2500mA Slow-Blow Type
1250mA Slow-Blow Type
Remote On/Off Control
Parameter
Conditions
Min.
Typ.
Max.
Unit
Converter On
3.5V ~ 12V or Open Circuit
Converter Off
0V ~ 1.2V or Short Circuit
Control Input Current (on)
Control Input Current (off)
Control Common
Vctrl = 5.0V
Vctrl = 0V
---
---
---
0.5
mA
mA
---
-0.5
Referenced to Negative Input
---
Standby Input Current
Supply Off & Nominal Vin
3
---
mA
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Output Voltage Trim
Parameter
Conditions
Min.
±10
Typ.
---
Max.
---
Unit
%
Trim Up / Down Range
% of Nominal Output Voltage
Environmental Specifications
Max.
Parameter
Model
Min.
-40
Unit
without Heatsink
57
with Heatsink
65
MJW25-24S033, MJW25-48S033
MJW25-24S05, MJW25-24S12
MJW25-24S15, MJW25-48S05
MJW25-48S12, MJW25-48S15
MJW25-12S033
56
53
64
61
Operating Ambient Temperature Range
(Natural Convection, see Derating)
℃
MJW25-12S05, MJW25-12S12,MJW25-12S15
MJW25-12D12, MJW25-12D15
MJW25-24D12, MJW25-24D15
MJW25-48D12, MJW25-48D15
Natural Convection without Heatsink
Natural Convection with Heatsink
100LFM Convection without Heatsink
100LFM Convection with Heatsink
200LFM Convection without Heatsink
200LFM Convection with Heatsink
400LFM Convection without Heatsink
400LFM Convection with Heatsink
50
59
17.6
14.8
13.6
8.5
---
---
---
---
---
-
-
---
℃/W
℃/W
℃/W
℃/W
℃/W
℃/W
℃/W
℃/W
℃
℃
Thermal Impedance
11.8
6.5
8.8
4.3
---
Case Temperature
+105
+125
95
Storage Temperature Range
-50
---
% rel. H
Humidity (non condensing)
Cooling
FreAir convection
Sided Shied, Metal Case
---
RFI
Lead Temperature (1.5mm from case for 10Sec.)
260
℃
EMC Specifications
Parameter
Sndards & ev
Performance
EMI
EN522
EN0-4-2 air ± KV , Coact ± 6KV
N61000-4/m
Class A /Class B (See Page 9)
Perf. Criteria A
ESD
Radiated immunity
Fast transient (See Note 7)
Surge (See Note 7)
Conducted immunity
Perf. Criteria A
EN000-4-4 ±2KV
Perf. Criteria A
EN61000-4-5 ±1KV
Perf. Criteria A
N61000-4-6 10V/m
Perf. Criteria A
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Power Derating Curve
100
80
Natural
Convection
20LFM
100LFM
200LFM
400LFM
60
40
20
0
~
-40
0
20
40
60
80
100 110
Ambient Temperature
C
MJW25-24S033, MJW25-48S033
Derating Curve without Heatsink
MJW25-24S033, MJW25-48S033
Derating Curve with Heatsink
100
80
Natural
Convection
20LFM
100LFM
200LFM
400LFM
60
40
20
0
~
-40
0
20
40
60
80
100 110
Ambient Temperature
C
MJW25-24S05,MJW25-24S12,MJW25-24S15,MJW25-48S05
MJW25-48S12,MJW25-48S15 Derating Curve without Heatsink
MJW25-24S05,MJW25-24S12,MJW25-24S15,MJW25-48S05
MJW25-48S12,MJW25-48S15 Derating Curve with Heatsink
100
Natural
Convection
20LFM
80
100LFM
200LFM
400LFM
60
40
20
0
~
-40
0
20
40
60
80
100 110
Ambient Temperature
C
MJW25-12S033 Derating Curve with Heatsink
MJW25-12S033 Derating Curve without Heatsink
100
80
Natural
Convection
20LFM
100LFM
200LFM
400LFM
60
40
20
0
~
-40
0
20
40
60
80
100 110
Ambient Temperature
C
MJW25-12S05, MJW25-12S12, MJW25-12S15, MJW25-12D12
MJW25-12D15, MJW25-24D12, MJW25-24D15,MJW25-48D12,MJW25-48D15
Derating Curve without Heatsink
MJW25-12S05, MJW25-12S12, MJW25-12S15, MJW25-12D12
MJW25-12D15, MJW25-24D12, MJW25-24D15,MJW25-48D12,MJW25-48D15
Derating Curve with Heatsink
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Efficiency Curve @25℃
100
90
80
70
60
50
40
100
90
80
70
60
50
40
9V
9V
12V
18V
12V
18V
10
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90
100
% of Full Load
% of Full Load
MJW25-12S033 Efficiency vs Load Current
MJW25-12S05 Efficiency vs Load Current
100
90
80
70
60
50
40
100
90
80
70
60
50
40
9V
9V
12V
18V
12V
18V
10
10
10
20
20
20
30
40
50
60
70
80
90
100
00
100
10
10
10
20
20
30
4
50
60
70
80
90
100
100
100
% of Full Load
% of Full Load
MJW25-12S12 Efficiency vs Load Current
MJW25-12S15 Efficiency vs Load Current
100
90
80
70
60
50
40
100
0
80
70
60
50
40
V
9V
12V
18V
12V
18V
30
5
60
70
80
90
30
40
50
60
70
80
90
% of Full
% of Full Load
MJW25-12D12 Efficiency vs ad Current
MJW25-12D15 Efficiency vs Load Current
100
90
80
70
60
50
40
100
90
80
70
60
50
40
18V
24V
36V
18V
24V
36V
30
40
50
60
70
80
90
30
40
50
60
70
80
90
% of Full Load
% of Full Load
MJW25-24S033 Efficiency vs Load Current
MJW25-24S05 Efficiency vs Load Current
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Efficiency Curve @25℃
100
90
80
70
60
50
40
100
90
80
70
60
50
40
18V
24V
36V
18V
24V
36V
10
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90
100
% of Full Load
% of Full Load
MJW25-24S12 Efficiency vs Load Current
MJW25-24S15 Efficiency vs Load Current
100
90
80
70
60
50
40
100
90
80
70
60
50
40
18V
24V
36V
18V
24V
36V
10
10
10
20
20
20
30
40
50
60
70
80
90
100
100
100
10
10
10
20
20
30
4
50
60
70
80
90
100
100
100
% of Full Load
% ull Load
MJW25-24D12 Efficiency vs Load Current
MJW25-24D15 Efficiency vs Load Current
100
90
80
70
60
50
40
100
90
70
60
50
40
V
48
75V
36V
48V
75V
30
40
5
60
70
80
0
30
40
50
60
70
80
90
% ull
% of Full Load
MJW25-48S033 Efficiency vs ad Current
MJW25-48S05 Efficiency vs Load Current
100
90
80
70
60
50
40
100
90
80
70
60
50
40
36V
48V
75V
36V
48V
75V
30
40
50
60
70
80
90
30
40
50
60
70
80
90
% of Full Load
% of Full Load
MJW25-48S12 Efficiency vs Load Current
MJW25-48S15 Efficiency vs Load Current
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Efficiency Curve @25℃
100
90
80
70
60
50
40
100
90
80
70
60
50
40
36V
48V
75V
36V
48V
75V
10
20
30
40
50
60
70
80
90
100
10
20
30
40
50
60
70
80
90
100
% of Full Load
% of Full Load
MJW25-48D12 Efficiency vs Load Current
MJW25-48D15 Efficiency vs Load Current
Notes
1
2
3
4
5
6
7
8
9
Specifications typical at Ta=+25℃, resistive load, nominal input voltage, rated output current unless otherwise noted.
Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%.
Ripple & Noise measurement bandwidth is 20 MHz, measured with a 1μF MLCC and a 10μF Tantalum Capatitor.
All DC/DC converters should be externally fused at the front end for protection.
Other input and output voltage may be available, please contact factory.
To order the converter with heatsink, please add a suffix -HS (e.g. MJW25-24S05-HS) to order code.
The MJW25 series can meet EN61000-4-4 & EN61000-4-5 by adding a capacitor across the inut pins.Sugsted capacitoMI-CON KY 220μF/100V.
That “natural convection” is about 20LFM but is not equal to still air (0 LFM).
Specifications are subject to change without notice.
Package Specifications
Mechanical Dimensions
n Connections
Pin
1
Single Output
Dual Output
+Vin
25.4 [1.00]
+Vin
-Vin
10.16
[0.40]
10.16
[0.40]
6.0
0.5
2
-Vin
[0.24] 0.40 2]
3
+Vout
+Vout
3
4
5
4
Trim
Common
-Vout
5
-Vout
6
Remote On/Off
Remote On/Off
Bottom View
►All dimensions in mm (inches)
1
2
6
►Tolerance: X.X±0.25 (X.XX±0.01)
X.XX±0.13 ( X.XXX±0.005)
5.08
[0.20] [0.30]
7.62
2.5
[0.10]
►Pin diameter 1.0 ±0.05 (0.04±0.002)
Physical Characteristics
Case Size
:
:
:
:
:
25.4x25.4x10.16mm (1.0x1.0x0.4 inches)
Aluminium Alloy, Black Anodized Coating
FR4 PCB (flammability to UL 94V-0 rated)
Case Material
Base Material
Pin Material
Weight
Copper Alloy with Gold Plate Over Nickel Subplate
16.5g
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Heatsink (Option –HS)
Mechanical Dimensions
Heatsink Material: Aluminum
Finish: Anodic treatment (black)
Weight: 2g
17.46
[0.69] Max.
►The advantages of adding a heatsink are:
31.0 [1.22] Max.
1.To help heat dissipation and increase the stability
and reliability of DC/DC converters at high
operating temperature atmosphere.
Heat-Sink
Thermal Pad
Clamp
Converter
2.To upgde the oating temperature of DC/DC
converts, pleasefer to Derating Curve.
External Output Trimming
Output can be externally trimmed by using the method shown below
Rd
Ru
3
4
5
3
4
5
W25 Module
m View
MJW25 Module
Bottom View
1
2
6
1
2
6
Trim Down
TUp
MJW25-XXS033 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
0.34
%
Volts
KOhms
Vox0.99
63.59
V.98
30.28
Vx0.97
.19
Vox0.96
115
Vox0.95
8.13
Vox0.94
5.56
Vox0.93
3.70
Vox0.92
2.31
Vox0.91
1.21
Rd=
Trim up
Vout=
Ru=
1
2
3
5
6
7
8
9
10
Vox1.10
0.49
%
Volts
KOhms
Vox11
70.50
V.02
29.
Vox1.03
16.87
ox1.04
10.90
Vox1.05
7.38
Vox1.06
5.06
Vox1.07
3.42
Vox1.08
2.20
Vox1.09
1.25
MJW25-XXS05 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
0.68
%
Volts
KOhms
Vox0.99
45.53
Vox0.98
20.61
Vox0.97
12.31
Vox0.96
8.15
Vox0.95
5.66
Vox0.94
4.00
Vox0.93
2.81
Vox0.92
1.92
Vox0.91
1.23
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
0.59
%
Volts
KOhms
Vox1.01
36.57
Vox1.02
16.58
Vox1.03
9.92
Vox1.04
6.59
Vox1.05
4.59
Vox1.06
3.25
Vox1.07
2.30
Vox1.08
1.59
Vox1.09
1.03
MJW25-XXS12 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
1.17
%
Volts
KOhms
Vox0.99
394.50
Vox0.98
179.74
Vox0.97
106.08
Vox0.96
68.86
Vox0.95
46.39
Vox0.94
31.36
Vox0.93
20.60
Vox0.92
12.51
Vox0.91
6.21
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
2.89
%
Volts
KOhms
Vox1.01
368.92
Vox1.02
161.92
Vox1.03
94.97
Vox1.04
61.86
Vox1.05
42.12
Vox1.06
29.00
Vox1.07
19.66
Vox1.08
12.66
Vox1.09
7.23
MJW25-XXS15 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
5.28
%
Volts
KOhms
Vox0.99
572.67
Vox0.98
248.63
Vox0.97
145.60
Vox0.96
94.97
Vox0.95
64.87
Vox0.94
44.92
Vox0.93
30.72
Vox0.92
20.10
Vox0.91
11.86
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
3.23
%
Volts
KOhms
Vox1.01
392.98
Vox1.02
182.12
Vox1.03
108.73
Vox1.04
71.43
Vox1.05
48.85
Vox1.06
33.71
Vox1.07
22.86
Vox1.08
14.69
Vox1.09
8.33
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
EMI-Filter to meet EN 55022, class A, class B; FCC part 15 ,level A
Conducted and radiated emissions EN55022 Class A, Class B
Class
Model
C1
None
C2
C3
None
C4&C5
Ne
L1
MJW25-12XXX
MJW25-24XXX
3.3μF/25V 1210 MLCC
3.3μF/50V 1210 MLCC
3.3μF/100V 1210 MLCC
3.3μF/25V 1210 MLCC
3.3μF/50V 1210 MLCC
3.3μF/100V 1210 ML
1μH
Class A
None
None
None
2.2μH
4.7μH
1μH
MJW25-48XXX
MJW25-12XXX
None
No
None
3.3μF/25V 1210 MLCC
3.3μF/50V 1210 MLCC
3.3μF/100V 1210 MLCC
3/25V 1210 LCC
3.3μF/51210 MLC
3F/100V 1LCC
1800 pF/2KV 1206 MLCC
1800 pF/2KV 1206 MLCC
1800 pF/2KV 1206 MLCC
Class B
MJW25-24XXX
MJW25-48XXX
2.2μH
4.7μH
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Test Setup
Input Reflected-Ripple Current Test Setup
Input reflected-ripple current is measured with a inductor Lin (4.7μH) and Cin (220μF, ESR < 1.0Ω at 100 KHz) to simulate source impedance. Capacitor Cin, offsets
possible battery impedance. Current ripple is measured at the input terminals of the module, measurement bandwidth is 0-500 KHz.
To Oscilloscope
+Vin
+Out
+
+
Lin
DC / DC
Converter
Current
Probe
Load
Battery
Cin
-Vin
-Out
Peak-to-Peak Output Noise Measurement Test
Use a 1μF ceramic capacitor and a 10μF tantalum capacitor. Scope measurement should be made by using a BNC socket, measurement bandwidth is 0-20 MHz.
Position the load between 50 mm and 75 mm from the DC/DC Converter.
+Vin
+Out
Copper Strip
Single Output
DC / DC
Converter
Resistive
Load
Cout
Scope
-Vin
-Out
Copper Strip
Technical Notes
Remote On/Off
Positive logic remote on/off turns the module on during a logic high voltage on the remote on/off pin, and off during a loglow. Trn thpower module on and off,
the user must supply a switch to control the voltage between the on/off terminal and the -Vin termil. The swtch can be aopen collector or equivalent. A logic low is
0V to 1.2V. A logic high is 3.5V to 12V. The maximum sink current at the on/off terminal (Pin 6) during a logic low i500uA. he maximum allowable leakage current
of a switch connected to the on/off terminal (Pin 6) at logic high (3.5V to 12V) is 10mA.
Overcurrent Protection
To provide hiccup mode protection in a fault (output overload) condition, the unit is equipped with innal current miting circuitry and can endure overload for an
unlimited duration.
Overvoltage Protection
The output overvoltage clamp consists of control circuitry, which is independent of thprimary gtion loop, that monitors the voltage on the output terminals.
The control loop of the clamp has a higher voltage set point than the prary loop. Tproves a redant voltage control that reduces the risk of output
overvoltage. The OVP level can be found in the output data.
Input Source Impedance
The power module should be connected to a low ac-impedance input source. Highinductive source impedances can affect the stability of the power module.
In applications where power is supplied over long lines and outploadinhigh, it mbnecessary to use a capacitor at the input to ensure startup.
Capacitor mounted close to the power module helps ensure saity of the uit is recommended to use a good quality low Equivalent Series Resistance (ESR < 1.0
Ω at 100 KHz) capacitor of a 10μF for the 24V and 48V devic
+
+Vin
+Out
+
DC / DC
Conve
DC Power
Source
Load
Cin
-
-Vin
-Out
Output Ripple Reduction
A good quality low ESR capacitor placed alose as practicable across the load will give the best ripple and noise performance. To reduce output ripple, it is
recommended to use 4.7μF capacitors at the oput.
+
+Vin
-Vin
+Out
Single Output
DC / DC
Converter
DC Power
Source
Cout
Load
-
-Out
Maximum Capacitive Load
The MJW25 series has limitation of maximum connected capacitance at the output. The power module may be operated in current limiting mode during start-up,
affecting the ramp-up and the startup time. The maximum capacitance can be found in the data sheet.
Thermal Considerations
Many conditions affect the thermal performance of the power module, such as orientation, airflow over the module and board spacing. To avoid exceeding the
maximum temperature rating of the components inside the power module, the case temperature must be kept below 105℃. The derating curves are determined from
measurements obtained in a test setup.
Position of air velocity
probe and thermocouple
Air Flow
50mm / 2in
15mm / 0.6in
DUT
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
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