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LMZ10504EXT Datasheet, PDF (1/22 Pages) National Semiconductor (TI) – 4A SIMPLE SWITCHER® Power Module with 5.5V Maximum Input Voltage for Military and Rugged Applications | |||
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LMZ10504EXT
July 30, 2010
4A SIMPLE SWITCHER® Power Module with 5.5V Maximum
Input Voltage for Military and Rugged Applications
Easy to Use 7 Pin Package
Performance Benefits
30118403
TO-PMOD 7 Pin Package
10.16 x 13.77 x 4.57 mm (0.4 x 0.39 x 0.18 in)
θJA = 20°C/W, θJC = 1.9°C/W (Note 1)
RoHS Compliant
Electrical Specifications
â 20W maximum total output power
â Up to 4A output current
â Input voltage range 2.95V to 5.5V
â Output voltage range 0.8V to 5V
â ±1.63% feedback voltage accuracy over temperature
â Efficiency up to 96%
â Operates at high ambient temperatures
â Low radiated emissions (EMI) complies with EN55022
class B standard (Note 2)
â Passes 10V/m radiated immunity EMI test standard
EN61000 4-3
â Passes vibration standard
MIL-STD-883 Method 2007.2 Condition A
JESD22-B103B Condition 1
â Passes drop standard
MIL-STD-883 Method 2002.3 Condition B
JESD22-B110 Condition B
System Performance
Current Derating (VOUT = 3.3V)
Key Features
â Integrated shielded inductor
â Flexible startup sequencing using external soft-start,
tracking, and precision enable
â Protection against in-rush currents and faults such as input
UVLO and output short-circuit
â -55°C to +125°C junction temperature operating range
â Single exposed pad and standard pinout for easy
mounting and manufacturing
â Pin-to-pin compatible with
LMZ10503EXT (3A/15W max)
LMZ10505EXT (5A/25W max)
â Fully enable for WEBENCH® and Power Designer
â Low output voltage ripple of 10 mV allows for powering
noise-sensitive transceiver and signaling ICs
â Fast transient response for powering FPGAs and ASICs
30118404
Efficiency (VOUT = 3.3V)
Applications
â Point-of-load conversions from 3.3V and 5V rails
â Space constrained applications
â Extreme temperatures/no air flow environments
â Noise sensitive applications (i.e. transceiver, medical)
30118405
Radiated Emissions (EN 55022, Class B)
30118406
Note 1: θ JA measured on a 2.25â x 2.25â (5.8 cm x 5.8 cm) four layer board. Refer to PCB Layout Diagrams or Evaluation Board Application Note: AN-2074.
Note 2: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Figure 5 and layout for information on device under test.
© 2010 National Semiconductor Corporation 301184
www.national.com
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