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  4. LTM8048 Demo Board, 725VDC Isolated µModule, 4.5V ≤ VIN ≤ 30V, VOUT = 5V @ 110mA to 370mA, LDO Post-Regulated Flyback Li
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Linear Technology LTM8048 Demo Board, 725VDC Isolated µModule, 4.5V ≤ VIN ≤ 30V, VOUT = 5V @ 110mA to 370mA, LDO Post-Regulated Flyback Li DC1560A Scheda Tecnica

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LTM8048
1
8048ff
For more information 
INPUT VOLTAGE (V)
0
V
OUT1
 CURRENT (mA)
330
230
130
280
180
80
10
20
8048 TA01b
30
5
15
25
TYPICAL APPLICATION 
FEATURES
DESCRIPTION
3.1V
IN
 to 32V
IN
 Isolated  
µModule DC/DC Converter 
with LDO Post Regulator
The 
converter with LDO post regulator. The LTM8048 has an 
isolation rating of 725VDC. Included in the package are 
the switching controller, power switches, transformer, and 
all support components. Operating over an input voltage 
range of 3.1V to 32V, the LTM8048 supports an output 
voltage range of 2.5V to 13V, set by a single resistor. There 
is also a linear post regulator whose output voltage is ad-
justable from 1.2V to 12V as set by a single resistor. Only 
output, input, and bypass capacitors are needed to finish 
the design. Other components may be used to control the 
soft-start control and biasing.
The LTM8048 is packaged in a thermally enhanced, com-
pact (11.25mm 
× 9mm × 4.92mm) over-molded ball grid 
array (BGA) package suitable for automated assembly by 
standard surface mount equipment. The LTM8048 is avail-
able with SnPb (BGA) or RoHS compliant terminal finish.
L
, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks of 
Linear Technology Corporation. All other trademarks are the property of their respective owners.
APPLICATIONS
n
  Complete Switch Mode Power Supply
n
  725VDC Isolation
n
  Wide Input Voltage Range: 3.1V to 32V
n
 V
OUT1
 Output:
 
 
Up to 440mA (V
OUT1
 = 2.5V, 24V
IN
)
 
 
2.5V to 13V Output Range
n
 V
OUT2
 Low Noise Linear Post Regulator:
 
 
Up to 300mA
 
 
1.2V to 12V Output Range
n
  Current Mode Control
n
  Programmable Soft-Start
n
  User Configurable Undervoltage Lockout
n
  SnPb or RoHS Compliant Finish
n
  Low Profile (11.25mm 
× 9mm × 4.92mm) Surface 
Mount BGA Package
n
  Industrial Sensors
n
  Industrial Switches
n
  Ground Loop Mitigation
Total Output Current vs V
IN
725V DC Isolated Low Noise µModule Regulator
725VDC ISOLATION
LTM8048
8048 TA01
V
IN
3.1V TO 29V
V
OUT2
5V
5.7V
10µF
22µF
2.2µF
4.7µF
6.19k
162k
V
OUT1
V
OUT2
V
IN
RUN
ADJ1
SS
BYP
BIAS
GND
ADJ2
V
OUT
–
ISOLA
TION BARRIER