173010578 [WURTH]
Pulse skipping for high efficiency at light loads;
| 型号： | 173010578 |
| 厂家： | 
WURTH ELEKTRONIK GMBH & CO. KG, GERMANY. |
| 描述： | Pulse skipping for high efficiency at light loads 开关 |
| 文件： | 总24页 (文件大小：1705K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
7 - 42V / 1A / 3.3V or 5V Output
DESCRIPTION
FEATURES
The FDSM series of the MagI3C Power Module family is a
fixed output voltage, fully integrated dc/dc power supply.
The module integrates the switching power stage, control
circuitry, inductor and capacitors all in one package.
•
•
•
•
•
•
•
Peak efficiency up to 93%
Current capability up to 1A
Input voltage range: 7 to 42V
Output voltage: 3.3V or 5V
Continuous output power: 3.3W or 5W
Integrated capacitors and inductor
Low output voltage ripple at 1A load:
typ.15mV (3.3V), typ.20mV (5V)
Output voltage accuracy: ±2% typ.
Fixed 350 kHz switching frequency
Current mode control
Pulse skipping for high efficiency at light loads
Internal soft-start
Thermal shutdown
Short circuit protection
Cycle by cycle current limit
-40°C to 85°C ambient operating temperature range
RoHS & REACH compliant
UL94V-0 package material
The module requires no external components for operation
reducing design effort and complexity to a minimum.
The FDSM ensures fast time to market and low
development costs.
•
•
•
•
•
•
•
•
•
•
•
•
It is pin compatible with the common 78xx linear regulator
series. The high efficiency reduces the power dissipation
and in many cases a heatsink and assembly parts are
unnecessary.
12V to 3.3V conversion achieves up to 89% efficiency.
12V to 5V conversion achieves up to 92% efficiency.
The standard THT package allows for easy assembly.
EN55022 Class B compliant
TYPICAL APPLICATIONS
•
•
•
•
Point-of-Load from 24V, 18V, 15V, 12V, 9V rail
Replacement for linear regulators
Interface and microcontroller supply
General purpose
TYPICAL CIRCUIT DIAGRAM
VIN
VOUT
3
1
VIN
VOUT
Supply
Load
GND
2
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
PACKAGE
1
2
3
GND VOUT
VIN
MARKING DESCRIPTION
Marking
WE
Description
Würth Elektronik tradename
Indicates the compatibility with 78xx linear regulator
Ordering Code
78
173xxxxxx
YY
Year
WW
Calendar week
VV
Output voltage (3.3V or 5V)
PIN DESCRIPTION
SYMBOL
VIN
PIN
1
TYPE
DESCRIPTION
Power
Power
Power
Input voltage
GND
2
Ground reference for VIN and VOUT
Output voltage
VOUT
3
ORDERING INFORMATION
ORDER CODE
173010542
PART DESCRIPTION
SPECIFICATIONS
42V / 5V - 1.0A version
42V / 3.3V - 1.0A version
PACKAGE
SIP-3
PACKAGING UNIT
Tube with 42 pieces
Tube with 42 pieces
WPMDH1100501S
WPMDH1100331S
173010342
SIP-3
PIN COMPATIBLE DEVICES OF OTHER FAMILIES
ORDER CODE
173950578
173950378
173010578
173010378
PART DESCRIPTION
WPMDL9500501S
WPMDL9500501S
WPMDL1100501S
WPMDL1100331S
SPECIFICATIONS
28V / 5V - 0.5A version
28V / 3.3V - 0.5A version
28V / 5V - 1.0A version
28V / 3.3V - 1.0A version
PACKAGE
SIP-3
PACKAGING UNIT
Tube with 42 pieces
Tube with 42 pieces
Tube with 42 pieces
Tube with 42 pieces
SIP-3
SIP-3
SIP-3
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
PACKAGE SPECIFICATIONS
Weight
Flammability
2.0g
Meets UL 94 V-O
SALES INFORMATION
SALES CONTACTS
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 7942 945 0
www.we-online.com
powermodules@we-online.com
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
ABSOLUTE MAXIMUM RATINGS
Caution:
Exceeding the listed absolute maximum ratings may affect the device negatively and may cause permanent damage.
These are stress ratings only, which do not imply functional operation of the device at these or any other condition beyond
those indicated under “Operation Conditions”.
LIMITS
SYMBOL
PARAMETER
UNIT
MIN (1)
MAX (1)
VIN
VOUT
Tstorage
VESD
Input pin voltage
0
43
V
V
Output pin voltage
-0.2
-55
8
Assembled, non-operating storage temperature
125
°C
V
ESD Voltage (Human Body Model), according to EN61000-4-2
±2000
OPERATING CONDITIONS
Operating conditions are conditions under which operation of the device is intended to be functional. All values are referenced
to GND.
MIN and MAX limits are valid for the recommended ambient temperature range of -40°C to 85°C. Typical values represents
statistically the utmost probability at following conditions: VIN = 24V, VOUT = 3.3V (173010342), VOUT = 5V (173010542),
IOUT = 1A unless otherwise noted.
SYMBOL
VIN
PARAMETER
Input voltage (173010342)
MIN (1)
TYP (2)
MAX (1)
42
UNIT
V
7
8
-
-
-
VIN
Input voltage (173010542)
Ambient temperature range
Nominal output current
42
85 (3)
V
TA
-40
°C
A
IOUT
1
THERMAL SPECIFICATIONS
SYMBOL
PARAMETER
TYP (2)
70
UNIT
°C/W
°C
Case to ambient thermal impedance (4)
ӨCA
TSD
Thermal shutdown, junction temperature rising
150
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
ELECTRICAL SPECIFICATIONS
MIN and MAX limits are valid for the recommended ambient temperature range of -40°C to 85°C. Typical values represent
statistically the utmost probability at the following conditions: VIN = 24V, VOUT = 3.3V (173010342), VOUT = 5V (173010542),
IOUT = 0.1 to 1A(5) unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
Output current
MIN (1)
TYP (2)
MAX (1)
UNIT
IOCP
Over current protection
VIN = 12V
2.9
3.5
-
A
Accuracy
Line regulation
Load regulation
VIN = 42V, TA = 25°C, IOUT = 1A
-
-
-
0.2
0.4
-
-
%
%
Total output voltage variation TA = 25°C, IOUT = 1A
Temperature coefficient
±2
±3
%
VOUT
0.015
75
%/°C
mVpp
-
-
100
-
Output voltage ripple
(20MHz BW limited) (6)
with 10µF MLCC output
capacitor
30
350
1
mVpp
kHz
mA
Switching frequency
fSW
Switching frequency
No load input current
280
-
420
-
Input current
Operating, switching
IIN
Undervoltage behaviour
VOUT = 3.3V, VIN increasing
VOUT = 3.3V, VIN decreasing
VOUT = 5V, VIN increasing
VOUT = 5V, VIN decreasing
Efficiency
-
5.7
4.9
7.6
7.2
6.3
V
V
V
V
4.4
-
VUVLO
Under-voltage lockout
8
-
6.8
VOUT = 3.3V, VIN = 7V
VOUT = 3.3V, VIN = 42V
VOUT = 5V, VIN = 8V
-
-
-
-
-
-
-
-
89
79
93
85
%
%
%
%
η
Efficiency
VOUT = 5V, VIN = 42V
Short circuit protection
Input Current under short
circuit condition at output
IIN,short
-
65
-
mA
Transient response
IOUT = from 0.5A to 1A or from
1A to 0.5A
-
-
±75
-
-
mV
mV
Transient Response VOUT
over/undershoot
VTR
IOUT = from 0.1A to 1A or from
1A to 0.1A
±200
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
EMC BEHAVIOR
PARAMETER
TEST CONDITIONS
With filter (see page 18)
With filter (see page 18)
CLASSIFICATION
Conducted Emissions
Radiated Emissions
Class B, according to EN55022 (see results on pages 7-8)
Class B, according to EN55022 (see results on pages 7-8)
RELIABILITY
MIN (1)
TYP (3)
MAX (1)
UNIT
PARAMETER
SYMBOL
TEST CONDITIONS
TA = 25°C
8600 ·103
Mean Time Between Failures,
according to MIL-HDBK 217F
MTBF
h
TA = 68°C
3880 ·103
NOTES
(1) Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed
through correlation using Statistical Quality Control (SQC) methods.
(2) Typical numbers are valid at 25°C ambient temperature and represent statistically the utmost probability assuming the
Gaussian distribution.
(3) Depending on load current, see derating diagram
(4) Measured without heatsink, no air flow
(5) Under light load conditions the devices may not meet all specifications
(6) The industry standard for comparison of the output voltage ripple between switching regulators or modules requires a
10µF ceramic (sometimes additional 1µF ceramic in parallel) at the point of load where the voltage measurement is done
using an oscilloscope with its probe and probe jack for low voltage/high frequency (low impedance) measurement. The
oscilloscopes bandwidth is limited at 20MHz.
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
EMI MEASUREMENTS
70
60
50
40
30
20
10
0
70
Radiated Emissions 173010342 (3m antenna distance)
VIN = 24V, VOUT = 3.3V, ILOAD = 1A with input filter 2x10µF, 22µH, 10µF
Radiated Emissions 173010342 (3m antenna distance)
VIN = 24V, VOUT = 3.3V,ILOAD = 1A without input filter
Horizontal
Vertical
Horizontal
Vertical
60
50
40
30
20
10
0
EN55022 Class A limit
EN55022 Class B limit
EN55022 Class A limit
EN55022 Class B limit
30
100
Frequency [MHz]
1000
30
100
Frequency [MHz]
1000
80
70
60
50
40
30
20
10
0
Conducted Emissions 173010342
VIN = 24V, VOUT = 3.3V, ILOAD = 1A with input filter 2x10µF, 22µH, 10µF
Average Quasi peak
EN55022 Class B Quasi Peak limit
EN55022 Class B Average limit
-10
0.5
30
0.35
0.15
1
10
Frequency [MHz]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
EMI MEASUREMENTS
70
70
60
50
40
30
20
10
0
Radiated Emissions 173010542 (3m antenna distance)
Radiated Emissions 173010542 (3m antenna distance)
VIN = 24V, VOUT = 5V, ILOAD = 1A with input filter 2x10µF, 22µH, 10µF
VIN = 24V, VOUT = 5V,ILOAD = 1A without input filter
Horizontal
Vertical
Horizontal
Vertical
60
50
40
30
20
10
0
EN55022 Class A limit
EN55022 Class B limit
EN55022 Class A limit
EN55022 Class B limit
30
100
Frequency [MHz]
1000
30
100
Frequency [MHz]
1000
80
70
60
50
40
30
20
10
0
Conducted Emissions 173010542
VIN = 24V, VOUT = 5V, ILOAD = 1A with input filter 2x10µF, 22µH, 10µF
Average Quasi peak
EN55022 Class B Quasi Peak limit
EN55022 Class B Average limit
-10
0.35
30
0.15
1
10
Frequency [MHz]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
EFFICIENCY
173010342 3.3V Output
100
95
90
85
80
75
70
65
60
Vin = 9V
Vin = 12V
Vin = 15V
Vin = 18V
Vin = 24V
0.0
0.2
0.4
0.6
0.8
1.0
Output Current [A]
173010542 5V Output
100
95
90
85
80
75
70
65
60
Vin = 9V
Vin = 12V
Vin = 15V
Vin = 18V
Vin = 24V
0.0
0.2
0.4
0.6
0.8
1.0
Output Current [A]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
EFFICIENCY
173010342 and 173010542 - IOUT = 1A
100
80
60
40
20
0
Vout = 3.3V
Vout = 5V
6
12
18
24
30
36
42
Input Voltage [V]
OUTPUT POWER DERATING
Current derating - 173010342 and 173010542
1,2
1,0
0,8
0,6
0,4
0,2
0,0
68 75
85
-40
-20
0
20
40
60
80
100
Operating ambient temperature [ C]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
LOAD REGULATION
173010342 3.3V Output
3.36
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
Vin = 9V
Vin = 12V
Vin = 15V
Vin = 18V
Vin = 24V
0.0
0.2
0.4
0.6
0.8
1.0
Output Current [A]
173010542 5V Output
5.05
5.04
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.96
4.95
Vin = 9V
Vin = 12V
Vin = 15V
Vin = 18V
Vin = 24V
0.0
0.2
0.4
0.6
0.8
1.0
Output Current [A]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
LINE REGULATION
173010342 3.3V output
3.350
3.340
3.330
3.320
3.310
3.300
6
12
18
24
30
36
42
Input Voltage [V]
173010542 5V output
5.050
5.040
5.030
5.020
5.010
5.000
6
12
18
24
30
36
42
Input Voltage [V]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
OUTPUT VOLTAGE RIPPLE
173010342 VOUT = 3.3V, IOUT = 1A, VIN = 24V
50
40
30
20
10
0
15mV
-10
-20
-30
-40
-50
0
2
4
6
8
10
12
Time [µs]
173010342 VOUT = 3.3V, IOUT = 0.1A, VIN = 24V
50
40
30
20
10
0
10mV
-10
-20
-30
-40
-50
0
2
4
6
8
10
12
Time [µs]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
TYPICAL PERFORMANCE CURVES
If not otherwise specified, the following conditions apply: TAMB = 25°C.
OUTPUT VOLTAGE RIPPLE
173010542 VOUT = 5V, IOUT = 1A, VIN = 24V
50
40
30
20
10
0
20mV
-10
-20
-30
-40
-50
0
2
4
6
8
10
12
Time [µs]
173010542 VOUT = 5V, IOUT = 0.1A, VIN = 24V
50
40
30
20
10
0
15mV
-10
-20
-30
-40
-50
0
2
4
6
8
10
12
Time [µs]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
BLOCK DIAGRAM
Power Module
22µH
VIN
VOUT
VIN
VOUT
3
1
UVLO
Cboot
Error Ampli fier
PWMCurrent
CIN
4.7µF
COUT
47µF
Mode Controller
Driver
Protection
Circuitry
RCOMP
CCOMP
Load
VREF
0.8V
SuppDlCy
Css
GND
2
CIRCUIT DESCRIPTION
The MagI³C Power Module 17301xx42 is based on a non-synchronous step-down regulator with integrated MOSFET, free-
wheeling diode, power inductor, input and output capacitors. The control scheme is based on a Current Mode (CM) regulation
loop.
The VOUT of the regulator is divided with the internal feedback resistor network and fed into the error amplifier which compares
this signal with the internal 0.8V reference. The error signal is amplified and controls the on-time of a fixed frequency pulse
width generator. This signal drives the power MOSFET.
The Current Mode architecture features a constant frequency during load steps. Only the on-time is modulated. It is internally
compensated and stable.
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
LIGHT LOAD OPERATION
At light load conditions, the device skips switching cycles in order to keep the output voltage regulated as well as to increase
the efficiency under this condition.
SOFT-START
In order to prevent the output voltage from overshooting during start-up, a soft-start is implemented. The soft-start is internally
set and lasts around 1.3ms for both the 173010342 and 173010542. The figure below shows a start-up example, in this case
with 173010342.
15
V
IN
12
9
6
soft-start
duration
VOUT
3
0
0
2
4
6
8
10
12
Time [ms]
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
PROTECTIVE FEATURES
Over temperature protection (OTP)
The junction temperature of the MagI³C Power Module should not be allowed to exceed its maximum ratings. Thermal
protection is implemented by an internal Thermal Shutdown circuit which activates at 150°C (typ.), causing the device to enter
a low power standby state. In this state the MOSFET remains off causing VOUT to fall. Thermal protection helps to prevent
catastrophic failures from accidental device overheating. When the junction temperature falls back below 150° (hysteresis is
implemented) VOUT rises smoothly and normal operation resumes.
Short circuit protection (SCP)
The short circuit protection is realized via cycle by cycle current monitoring. Recovery from short circuit protection mode occurs
during the switching cycle following the removal of the short circuit condition. When the 173010x42 recovers from a short
circuit condition, the soft-start is not active. Therefore an overshoot at output voltage can be observed (see figure below).
Under short circuit condition the input current is limited to IIN,short (typ. 65mA)
173010542 - Output voltage overshoot, VIN = 24V
7
6
5
4
3
2
1
0
0
100
200
300
400
500
600
Time [ms]
Over current protection (OCP)
For protection against load faults, the 173010x42 incorporates cycle-by-cycle current monitoring. During an overcurrent
condition the output current is limited and the output voltage drops. When the overcurrent condition is removed, the output
voltage returns to the nominal voltage.
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
APPLICATION CONSIDERATIONS
Input filter suggestion for conducted EMI
The input filter shown in the schematic below is recommended to achieve conducted EMI compliance according to EN55022
Class B (see results on pages 21 and 22).
Optional input Pi-Filter
Lf
VIN
VOUT
1
3
VIN
VOUT
Cf1b
Cf2
Cf1a
Load
Supply
GND
2
Bill of Material of the Pi-Filter
Designator
Description
Quantity Order Code
Manufacturer
Cf1a
Cf1b
Cf2
Lf
Filter ceramic chip capacitor 10µF/50V 1206 X5R
Filter ceramic chip capacitor 10µF/50V 1206 X5R
Filter ceramic chip capacitor 10µF/50V 1206 X5R
Filter inductor, 22µH, PD2 family
1
1
1
1
744774122
Würth Elektronik
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
Generating negative output voltage
Many industrial applications require negative voltages. The 173010x42 can easily provide a negative voltage using the circuit
shown below.
173010x42
1
2
VOUT-
VIN
GND
VIN
CIN
10µF
VOUT
3
GND
GND
It is important to be aware that in this configuration the 173010x42 must withstand the sum of the input voltage and the absolute
value of the output voltage (VIN + |VOUT|), instead of just the input voltage. This means that the maximum operating voltage
should be limited to 42V - |VOUT| (e.g. if the 171010542 is used in this configuration, the input voltage should not exceed 37V).
Moreover, the maximum output current of this configuration is no longer 1A, instead it must be reduced according to the below
mentioned formula (see also the graph below):
(
)
IOUT− = 1 ꢀ D ∙ 1A
(1)
where D is the duty cycle, in this case defined according to:
VOUT
D =
(2)
V + VOUT
ꢁN
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
Outputcurrentof the negative outputconfiguration
1
0.8
0.6
0.4
0.2
0
VOUT = 3.3V
VOUT =5V
6
12
18
24
30
36
Input voltage [V]
Compared with a standard positive buck configuration, the negative output buck contains an additional critical loop (between
VIN and VOUT), which needs an additional capacitor, as shown in the circuit above.
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
Another common requirement in industrial application is to provide a complementary voltage (e.g. ±5V). The circuit below
shows how this target can be achieved simply combining a 173010x42 used in a standard configuration (delivering a positive
output voltage) with the above mentioned solution for negative voltages.
173010x42
1
2
VOUT-
VIN
VIN
GND
CIN
10µF
VOUT
3
GND
GND
173010x42
1
3
VOUT
VIN
VOUT
GND
2
GND
Complementary output voltage
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
PHYSICAL DIMENSIONS
Tolerance: xx.x = ±0.5mm ; xx.xx = ±0.25mm
RECOMMENDED DRILL HOLES
TUBE
all dimensions in mm
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
DOCUMENT HISTORY
Revision
Date
Description
Comment
1.0
June 2016
Final version
CAUTIONS AND WARNINGS
The following conditions apply to all goods within the product series of MagI³C of
Würth Elektronik eiSos GmbH & Co. KG:
General:
All recommendations according to the general technical specifications of the data-sheet have to be complied with.
The usage and operation of the product within ambient conditions which probably alloy or harm the component surface has to
be avoided.
The responsibility for the applicability of customer specific products and use in a particular customer design is always within
the authority of the customer. All technical specifications for standard products do also apply for customer specific products.
Residual washing varnish agent that is used during the production to clean the application might change the characteristics of
the body, pins or termination. The washing varnish agent could have a negative effect on the long term function of the product.
Direct mechanical impact to the product shall be prevented as the material of the body, pins or termination could flake or in
the worst case it could break. As these devices are sensitive to electrostatic discharge customer shall follow proper IC Handling
Procedures.
Customer acknowledges and agrees that it is solely responsible for compliance with all legal, regulatory and safety-related
requirements concerning its products, and any use of Würth Elektronik eiSos GmbH & Co. KG components in its applications,
notwithstanding any applications-related information or support that may be provided by Würth Elektronik eiSos GmbH & Co.
KG. Customer represents and agrees that it has all the necessary expertise to create and implement safeguards which
anticipate dangerous consequences of failures, monitor failures and their consequences lessen the likelihood of failures that
might cause harm and take appropriate remedial actions. Customer will fully indemnify Würth Elektronik eiSos and its
representatives against any damages arising out of the use of any Würth Elektronik eiSos GmbH & Co. KG components in
safety-critical applications.
Product specific:
Follow all instructions mentioned in the datasheet, especially:
The solder profile has to comply with the technical reflow or wave soldering specification, otherwise this will void the
warranty.
All products are supposed to be used before the end of the period of 12 months based on the product date-code.
Violation of the technical product specifications such as exceeding the absolute maximum ratings will void the warranty.
It is also recommended to return the body to the original moisture proof bag and reseal the moisture proof bag again.
ESD prevention methods need to be followed for manual handling and processing by machinery.
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WPMDH1100xx1S / 173010x42
MagI3C Power Module
FDSM – Fixed Step Down Regulator Module
IMPORTANT NOTES
The following conditions apply to all goods within the product range of Würth Elektronik eiSos GmbH & Co. KG:
1. General Customer Responsibility
Some goods within the product range of Würth Elektronik eiSos GmbH & Co. KG contain statements regarding general
suitability for certain application areas. These statements about suitability are based on our knowledge and experience of
typical requirements concerning the areas, serve as general guidance and cannot be estimated as binding statements about
the suitability for a customer application. The responsibility for the applicability and use in a particular customer design is
always solely within the authority of the customer. Due to this fact it is up to the customer to evaluate, where appropriate to
investigate and decide whether the device with the specific product characteristics described in the product specification is
valid and suitable for the respective customer application or not. Accordingly, the customer is cautioned to verify that the
datasheet is current before placing orders.
2. Customer Responsibility related to Specific, in particular Safety-Relevant Applications
It has to be clearly pointed out that the possibility of a malfunction of electronic components or failure before the end of the
usual lifetime cannot be completely eliminated in the current state of the art, even if the products are operated within the range
of the specifications. In certain customer applications requiring a very high level of safety and especially in customer
applications in which the malfunction or failure of an electronic component could endanger human life or health it must be
ensured by most advanced technological aid of suitable design of the customer application that no injury or damage is caused
to third parties in the event of malfunction or failure of an electronic component.
3. Best Care and Attention
Any product-specific notes, warnings and cautions must be strictly observed.
4. Customer Support for Product Specifications
Some products within the product range may contain substances which are subject to restrictions in certain jurisdictions in
order to serve specific technical requirements. Necessary information is available on request. In this case the field sales
engineer or the internal sales person in charge should be contacted who will be happy to support in this matter.
5. Product R&D
Due to constant product improvement product specifications may change from time to time. As a standard reporting procedure
of the Product Change Notification (PCN) according to the JEDEC-Standard we inform about minor and major changes. In
case of further queries regarding the PCN, the field sales engineer or the internal sales person in charge should be contacted.
The basic responsibility of the customer as per Section 1 and 2 remains unaffected.
6. Product Life Cycle
Due to technical progress and economical evaluation we also reserve the right to discontinue production and delivery of
products. As a standard reporting procedure of the Product Termination Notification (PTN) according to the JEDEC-Standard
we will inform at an early stage about inevitable product discontinuance. According to this we cannot guarantee that all products
within our product range will always be available. Therefore it needs to be verified with the field sales engineer or the internal
sales person in charge about the current product availability expectancy before or when the product for application design-in
disposal is considered. The approach named above does not apply in the case of individual agreements deviating from the
foregoing for customer-specific products.
7. Property Rights
All the rights for contractual products produced by Würth Elektronik eiSos GmbH & Co. KG on the basis of ideas, development
contracts as well as models or templates that are subject to copyright, patent or commercial protection supplied to the customer
will remain with Würth Elektronik eiSos GmbH & Co. KG. Würth Elektronik eiSos GmbH & Co. KG does not warrant or represent
that any license, either expressed or implied, is granted under any patent right, copyright, mask work right, or other intellectual
property right relating to any combination, application, or process in which Würth Elektronik eiSos GmbH & Co. KG components
or services are used.
8. General Terms and Conditions
Unless otherwise agreed in individual contracts, all orders are subject to the current version of the “General Terms and
Conditions of Würth Elektronik eiSos Group”, last version available at www.we-online.com.
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