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WPMDL9500501S

Description
Fixed Step Down Regulator Module
File Size568KB,12 Pages
ManufacturerWurth Elektronik
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WPMDL9500501S Overview

Fixed Step Down Regulator Module

WPMDL110xxx1S / 17301xx78
MagI
3
C
Power Module
FDSM
– Fixed Step Down Regulator Module
7 - 28V / 1A / 3.3 or 5V Output
DESCRIPTION
The FDSM series of the MagI C 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.
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 87% efficiency.
12V to 5V conversion achieves up to 91% efficiency.
The standard THT package allows for easy assembly.
3
FEATURES
Peak efficiency up to 93%
Current capability up to 1A
Input voltage range: 7 to 28V
Output voltage: 3.3 or 5V
Continuous output power: 3.3 or 5W
Integrated capacitors and inductor
Low output voltage ripple:
typ.15mV (3.3V) and 25mV (5Vout) at 1A load
Output voltage accuracy: 3.5% typ.
Fixed 300 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
Output over-voltage protection
-40°C to 85°C ambient operating temperature range
RoHS & REACH compliant
UL94V-0 package material
EN55022 Class B compliant
TYPICAL APPLICATIONS
Point-of-Load from 18V, 15V, 12V, 9V rail
Replacement for linear regulators
Interface and microcontroller supply
General purpose
TYPICAL CIRCUIT DIAGRAM
We-online.com
© November 2015
Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 1.0
1/12

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