LMZ10504TZ-ADJ/NOPB National Semiconductor, LMZ10504TZ-ADJ/NOPB Datasheet

IC BUCK SYNC ADJ 4A TO-PMOD-7

LMZ10504TZ-ADJ/NOPB

Manufacturer Part Number
LMZ10504TZ-ADJ/NOPB
Description
IC BUCK SYNC ADJ 4A TO-PMOD-7
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Point of Load (POL) Non-Isolated with UVLOr
Datasheet

Specifications of LMZ10504TZ-ADJ/NOPB

Output
0.8 ~ 5 V
Number Of Outputs
1
Power (watts)
20W
Mounting Type
Surface Mount
Voltage - Input
2.95 ~ 5.5 V
Package / Case
TO-PMOD-7, Power Module
1st Output
0.8 ~ 5 VDC @ 4A
Size / Dimension
0.40" L x 0.54" W x 0.18" H (10.16mm x 13.77mm x 4.57mm)
Power (watts) - Rated
20W
Operating Temperature
-40°C ~ 125°C
Efficiency
96%
Approvals
EN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3rd Output
-
2nd Output
-
Other names
LMZ10504TZ-ADJTR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LMZ10504TZ-ADJ/NOPB
Manufacturer:
NS
Quantity:
1 000
© 2010 National Semiconductor Corporation
4A SIMPLE SWITCHER® Power Module with 5.5V Maximum
Input Voltage
Electrical Specifications
Key Features
Applications
Note 1: θ
Board Application Note: 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.
20W maximum total output power
Up to 4A 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)
LMZ10505 (5A/25W 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
θ
JA
measured on a 2.25” x 2.25” (5.8 cm x 5.8 cm) four layer board. Refer to
= 20°C/W, θ
Easy to Use 7 Pin Package
TO-PMOD 7 Pin Package
RoHS Compliant
JC
= 1.9°C/W
300882
(Note
1)
300882a4
LMZ10504
Performance Benefits
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
Radiated Emissions (EN 55022, Class B)
Current Derating (V
Efficiency (V
(Note
PCB Layout Diagrams
2)
OUT
OUT
= 3.3V)
300882a6
300882a7
= 3.3V)
300882a5
June 10, 2010
www.national.com
or Evaluation

Related parts for LMZ10504TZ-ADJ/NOPB

LMZ10504TZ-ADJ/NOPB Summary of contents

Page 1

... Refer to JA Board Application Note: 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. © 2010 National Semiconductor Corporation LMZ10504 Performance Benefits ■ Operates at high ambient temperatures ■ ...

Page 2

... PC board ground plane in order to reduce thermal resistance value. EP must also provide a direct electrical connection to the input and output capacitors ground terminals. Connect EP to pin 4. www.national.com 30088272 Top View 7-Lead TO-PMOD Package Type NSC Package Drawing TO-PMOD-7 TZA07A Description 2 30088201 Package Marking LMZ10504TZ-ADJ ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. VIN, VOUT, EN, FB GND ESD Susceptibility (Note 4) Power Dissipation Junction Temperature Electrical Characteristics apply over the operating junction temperature range T test, design, or statistical correlation. Typical values represent the most likely parametric norm at T reference purposes only ...

Page 4

Electrical Characteristics apply over the operating junction temperature range T test, design, or statistical correlation. Typical values represent the most likely parametric norm at T reference purposes only Symbol Parameter PERFORMANCE PARAMETERS ΔV Output Voltage ...

Page 5

Typical Performance Characteristics V = 5.0V µF 10V X5R ceramic capacitor Load Transient Response V = 3.3V 2.5V 0.4A to 3.6A to 0.4A step IN OUT OUT 20 mV/DIV, 20 ...

Page 6

Efficiency V = 3.3V OUT Efficiency V = 1.8V OUT Efficiency V = 1.2V OUT www.national.com 30088271 30088269 30088268 6 Efficiency V = 2.5V OUT 30088270 Efficiency V = 1.5V OUT 300882a0 Efficiency V = 0.8V OUT 30088267 ...

Page 7

Current Derating = 5V, θ 20° Radiated Emissions (EN 55022, Class 5V 2.5V OUT OUT Evaluation Board Pre-biased Startup V = 2.5V ...

Page 8

Block Diagram General Description The LMZ10504 SIMPLE SWITCHER® power module is a complete, easy-to-use DC-DC solution capable of driving load with exceptional power conversion efficiency, output voltage accuracy, line and load regulation. The LMZ10504 is available ...

Page 9

A second criteria before finalizing the C the RMS current capability. The necessary RMS current rat- ing of the input capacitor to a buck regulator can be estimated by With this high AC current present in the input capacitor, the ...

Page 10

C (µF) Voltage (V), R (mΩ) O ESR 22 6.3, < 6.3, < 6.3, < 10.0, < 5 100 6.3, < 5 100 6.3, 50 100 6.3, 25 150 6.3, 18 330 6.3, 18 ...

Page 11

Estimate Power Dissipation And Board Thermal Requirements Use the current derating curves in the typical performance characteristics section to obtain an estimate of power loss (P ). For the design case of V IC_LOSS 4A ...

Page 12

ADDITIONAL FEATURES Enable The LMZ10504 features an enable (EN) pin and associated comparator to allow the user to easily sequence the LMZ10504 from an external voltage rail manually set the input UVLO threshold. The turn-on or rising threshold ...

Page 13

For example, if the master supply voltage V the LMZ10504 output voltage was 1.8V, then the value of R needed to give the two ...

Page 14

... Vishay Dale 0402 Murata 0402 Murata and keep R fbb fbt 14 30088254 Manufacturer P/N LMZ10504TZ-ADJ 6TPE150MIC2 6TPE330MIL CRCW0603100KFKEA CRCW060347K5FKEA CRCW060315K0FKEA TDK C1608C0G1H331J GRM188R71C103KA01 Manufacturer P/N LMZ10504TZ-ADJ TDK C3216X5R0J476M CRCW0402100KFKED CRCW04021K00FKED GRM1555C1H270JZ01 GRM155R71C103KA01 , R , and C for a type III compensation. comp comp Quantity Quantity ...

Page 15

... Vishay Dale 0402 Vishay Dale 0402 Vishay Dale 0402 Murata 0402 Murata = 75 kΩ) fbt R fbb 34.8 kΩ 59 kΩ 84.5 kΩ 150 kΩ 590 kΩ 15 30088281 Manufacturer P/N Quantity LMZ10504TZ-ADJ 1 1210ZD226MAT 2 EEE1AA221AP 1* 0805ZD475MAT 1* 12066D226MAT 1* 18126D107MAT 1 CRCW040275K0FKED 1 CRCW040234K8FKED 1 CRCW04021K00FKED 1 GRM1555C1H101JZ01 1 GRM155R71C103KA01 1 ...

Page 16

... Vishay Dale 0603 TDK 0805 Vishay Dale 0805 TDK = 75 kΩ) fbt R fbb 34.8 kΩ 59 kΩ 84.5 kΩ 150 kΩ 590 kΩ 16 30088280 = 4A OUT (MAX) Manufacturer P/N Quantity LMZ10504TZ-ADJ 1 C2012X7R1C105K 1 C2012X5R0J475K 2 C3225X5R1C226M 2 C3225X5R0J476M 1 EEE1AA221AP 1 C4532X5R0J107M 1 CRCW080575K0FKEA 1 CRCW080534K8FKEA 1 CRCW08051K10FKEA 1 C1608C0G1H181J 1 CRCW0805100KFKEA ...

Page 17

... Vishay Dale 0805 Vishay Dale 0603 TDK 0805 TDK = 75 kΩ) fbt R fbb 23.7 kΩ 34.8 kΩ 59 kΩ 84.5 kΩ 150 kΩ 590 kΩ 17 300882b1 Manufacturer P/N Quantity LMZ10504TZ-ADJ 1 C2012X7R1C105K 1 C2012X5R0J475K 1 C3225X5R0J476M 1 C4532X5R0J107M 1 CRCW080575K0FKEA 1 CRCW080534K8FKEA 1 CRCW08051K10FKEA 1 C1608C0G1H181J 1 C2012C0G1H103J 1 www.national.com ...

Page 18

PCB Layout Diagrams The PCB design is available in the LMZ10504 product folder at www.national.com. www.national.com FIGURE 6. Top Copper FIGURE 7. Internal Layer 1 (Ground) 18 30088276 30088277 ...

Page 19

FIGURE 8. Internal Layer 2 (Ground and Signal Traces) FIGURE 9. Bottom Copper 19 30088278 30088279 www.national.com ...

Page 20

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted TO-PMOD-7 Pin Package NS Package Number TZA07A 20 ...

Page 21

21 www.national.com ...

Page 22

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

Related keywords