LMZ10505TZ-ADJ+ National Semiconductor, LMZ10505TZ-ADJ+ Datasheet
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LMZ10505TZ-ADJ+
Manufacturer Part Number
LMZ10505TZ-ADJ+
Description
Manufacturer
National Semiconductor
Specifications of LMZ10505TZ-ADJ+
Notes
NEW
Date_code
10+
© 2010 National Semiconductor Corporation
5A SIMPLE SWITCHER® Power Module with 5.5V Maximum
Input Voltage
Electrical Specifications
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Key Features
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Applications
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Note 1: θ
AN-2022.
Note 2: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Figure 5 and layout for information on device under test.
25W maximum total output power
Up to 5A output current
Input voltage range 2.95V to 5.5V
Output voltage range 0.8V to 5V
±1.63% feedback voltage accuracy over temperature
Efficiency up to 96%
Integrated shielded inductor
Flexible startup sequencing using external soft-start,
tracking, and precision enable
Protection against in-rush currents and faults such as input
UVLO and output short-circuit
-40°C to +125°C junction temperature operating range
Single exposed pad and standard pinout for easy
mounting and manufacturing
Pin-to-pin compatible with
LMZ10503 (3A/15W max)
LMZ10504 (4A/20W max)
Fully enable for WEBENCH® and Power Designer
Point-of-load conversions from 3.3V and 5V rails
Space constrained applications
Extreme temperatures/no air flow environments
Noise sensitive applications (i.e. transceiver, medical)
10.16 x 13.77 x 4.57 mm (0.4 x 0.39 x 0.18 in)
JA
measured on a 2.25” x 2.25” (5.8 cm x 5.8 cm) four layer board. Refer to
θ
JA
= 20°C/W, θ
Easy to Use 7 Pin Package
TO-PMOD 7 Pin Package
RoHS Compliant
JC
= 1.9°C/W
301074
(Note
3)
30107402
LMZ10505
Performance Benefits
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System Performance
Operates at high ambient temperatures
High efficiency up to 96% reduces system heat generation
Low radiated emissions (EMI) complies with EN55022
class B standard
Passes 10V/m radiated immunity EMI test standard
EN61000 4-3
Low output voltage ripple of 10 mV allows for powering
noise-sensitive transceiver and signaling ICs
Fast transient response for powering FPGAs and ASICs
PCB Layout Diagrams
Radiated Emissions (EN 55022, Class B)
Current Derating (V
Efficiency (V
(Note
4)
or Evaluation Board Application Note:
OUT
OUT
= 3.3V)
= 3.3V)
30107471
30107412
30107413
www.national.com
April 1, 2010