LMZ21700 Module Datasheet

LMZ21700 Datasheet PDF, Equivalent


Part Number

LMZ21700

Description

650-mA Nano Module

Manufacture

etcTI

Total Page 30 Pages
Datasheet
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LMZ21700
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LMZ21700
SNVS872D – AUGUST 2012 – REVISED AUGUST 2018
LMZ21700 650-mA Nano Module With 17-V Maximum Input Voltage
1 Features
1 Integrated Inductor
• Miniature 3.5 mm × 3.5 mm × 1.75 mm Package
• 35-mm² Solution Size (Single Sided)
• –40°C to 125°C Junction Temperature Range
• Adjustable Output Voltage
• Integrated Compensation
• Adjustable Soft-Start Function
• Starts into Pre-Biased Loads
• Power Good and Enable Pins
• Seamless Transition to Power-Save Mode
• Up to 650 mA Output Current
• Input Voltage Range 3 V to 17 V
• Output Voltage Range 0.9 V to 6 V
• Efficiency up to 95 %
• 1.5-µA Shutdown Current
• 17-µA Quiescent Current
• Create a Custom Design Using the LMZ21700
With WEBENCH® Power Designer
Simplified Schematic
VIN
VIN VOUT
CIN
CSS
EN PG
LMZ21700
SS VOS
GND
FB
RFBT
RFBB
VOUT
COUT
2 Applications
• Point of Load Conversions from
3.3-V, 5-V, or 12-V Input Voltage
• Space Constrained Applications
• LDO Replacement
3 Description
The LMZ21700 Nano Module is an easy-to-use step-
down DC/DC solution capable of driving up to 650-
mA load in space-constrained applications. Only an
input capacitor, an output capacitor, a soft-start
capacitor, and two resistors are required for basic
operation.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LMZ21700
µSIP (8)
3.50 mm × 3.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
space
space
space
space
100
90
80
70
60
50
40
30
20
10
0
0.0001
Efficiency for VIN = 12 V
0.001
0.01
Output Current (A)
VOUT = 1.2 V
VOUT = 1.8 V
VOUT = 2.5 V
VOUT = 3.3 V
VOUT = 5 V
0.1 1
D023
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

LMZ21700
LMZ21700
SNVS872D – AUGUST 2012 – REVISED AUGUST 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 7
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................. 11
7.4 Device Functional Modes........................................ 12
8 Application and Implementation ........................ 13
8.1 Application Information............................................ 13
8.2 Typical Application ................................................. 13
8.3 Do's and Don'ts ...................................................... 26
9 Power Supply Recommendations...................... 26
9.1 Voltage Range ........................................................ 26
9.2 Current Capability ................................................... 26
9.3 Input Connection .................................................... 26
10 Layout................................................................... 27
10.1 Layout Guidelines ................................................. 27
10.2 Layout Example .................................................... 28
11 Device and Documentation Support ................. 31
11.1 Device Support .................................................... 31
11.2 Development Support .......................................... 31
11.3 Receiving Notification of Documentation Updates 31
11.4 Community Resources.......................................... 31
11.5 Trademarks ........................................................... 31
11.6 Electrostatic Discharge Caution ............................ 31
11.7 Glossary ................................................................ 31
12 Mechanical, Packaging, and Orderable
Information ........................................................... 32
12.1 Tape and Reel Information ................................... 32
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (November 2014) to Revision D
Page
• Remove Simple Switcher branding; add top navigator icon for TI reference design, Webench links, and T&R content ...... 1
• Moved Storage temperature to Abs Max table; replace Handling Ratings with ESD Ratings table ..................................... 4
Changes from Revision B (October 2014) to Revision C
Page
• Changed from Product Preview to Production Data .............................................................................................................. 1
• Changed to Final Limits ......................................................................................................................................................... 5
Changes from Revision A (October 2013) to Revision B
Page
• Added Device Information and Handling Rating tables, Feature Description, Application and Implementation Layout
Device and Documentation Support and Mechanical, Packaging, and Orderable Information, moved some curves to
Application Curves.................................................................................................................................................................. 1
• Updated datasheet to new TI standards ................................................................................................................................ 1
Changes from Original (August 2012) to Revision A
Page
• Changed Description .............................................................................................................................................................. 1
2 Submit Documentation Feedback
Product Folder Links: LMZ21700
Copyright © 2012–2018, Texas Instruments Incorporated


Features Product Folder Order Now Technical Doc uments Tools & Software Support & Com munity Reference Design LMZ21700 SNVS 872D – AUGUST 2012 – REVISED AUGUST 2018 LMZ21700 650-mA Nano Module With 17-V Maximum Input Voltage 1 Features •1 Integrated Inductor • Miniature 3.5 mm × 3.5 mm × 1.75 mm Package • 35-mm² Solution Size (Single Sided) –40°C to 125°C Junction Temperat ure Range • Adjustable Output Voltage • Integrated Compensation • Adjust able Soft-Start Function • Starts int o Pre-Biased Loads • Power Good and E nable Pins • Seamless Transition to P ower-Save Mode • Up to 650 mA Output Current • Input Voltage Range 3 V to 17 V • Output Voltage Range 0.9 V to 6 V • Efficiency up to 95 % • 1.5- A Shutdown Current • 17-µA Quiescen t Current • Create a Custom Design Us ing the LMZ21700 With WEBENCH® Power D esigner Simplified Schematic VIN VIN V OUT CIN CSS EN PG LMZ21700 SS VOS GN D FB RFBT RFBB VOUT COUT 2 Applications • Point of Load Conversions from 3.3-V, 5-V, or 12-V Input Voltage .
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