3V to 17V, 1A Step-Down DC/DC Power Module in 3.5mm × 3.5mm Package
Product details
Parameters
Features
- 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 Prebiased Loads
- Power Good and Enable Pins
- Seamless Transition to Power-Save Mode
- Up to 1000 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 LMZ21701 With WEBENCH® Power Designer
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Description
The LMZ21701 nano module is an easy-to-use step-down DC/DC solution capable of driving up to 1000-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.
Technical documentation
= Top documentation for this product selected by TI
| Type | Title | Date | |
|---|---|---|---|
| * | Datasheet | LMZ21701 1-A Nano Module With 17-V Maximum Input Voltage datasheet (Rev. E) | Aug. 29, 2018 |
| Application note | Soldering Considerations for Power Modules (Rev. A) | Dec. 11, 2020 | |
| Application note | Practical Thermal Design With DC/DC Power Modules (Rev. A) | Nov. 20, 2019 | |
| White paper | Benefits and trade-offs of various power-module package options | Aug. 02, 2017 | |
| Selection guide | TI Components for Aerospace and Defense Guide (Rev. E) | Mar. 22, 2017 | |
| Technical articles | APEC discussions range from 3D packaging to GaN development | Mar. 18, 2015 | |
| Technical articles | SIMPLE SWITCHER® 25th anniversary | Feb. 01, 2015 | |
| User guide | LMZ21701/LMZ21700 SIMPLE SWITCHER Nano Module Eval Board (Rev. A) | Oct. 27, 2014 | |
| User guide | LMZ21701/LMZ21700 SIMPLE SWITCHER Nano Module Eval Board | Oct. 05, 2012 | |
| More literature | SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations | Jul. 12, 2005 | |
| Application note | AN-643 EMI/RFI Board Design (Rev. B) | May 03, 2004 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The LMZ21701 SIMPLE SWITCHER® nano module is an easy-to-use DC-DC solutions optimized for space constrained applications. The LMZ21701 EVM is capable of delivering up to 1A load with excellent power conversion efficiency, output voltage accuracy, line and load regulation and load transient (...)
Features
- Vin=5V to 17V
- Vout=3.3V (default setting)
- 1A max load
Design tools & simulation
SNVM538A.ZIP (600 KB) - PSpice Model
SNVM774.ZIP (6 KB) - PSpice Model
SNVM989.TSC (183 KB) - TINA-TI Reference Design
SNVM990.ZIP (57 KB) - TINA-TI Spice Model
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
Reference designs
TIDA-010008 — This reference design features multiple approaches for protecting AC or DC analog input, DC analog output, AC or DC binary input, digital output with a high side or low side driver, LCD bias supply, USB interfaces (power and data) and onboard power supplies with 24, 12 or 5V input used in (...)
Design files
PMP10630 — The PMP10630 reference design is a complete high density power solution for Xilinx® Kintex® UltraScale™ XCKU040 FPGA. This design uses an optimal combination of SIMPLE SWITCHER® modules and LDOs to provide all the necessary voltage rails in a small solution size of 36 x 43 mm (1.4 (...)
Design files
-
download PMP10630 BOM.pdf (96KB) -
download PMP10630 PCB.pdf (604KB) -
download PMP10630 Gerber.zip (406KB)
PMP4435 — The PMP4435 is a DC-DC isolated digital module with GaN mosfet reference design targeted for industrial and telecom applications. The DC input range is 36V-60V, with 12V typical and the output is 12V/5A. An digital controller UCD3138A is used in the design. The efficiency is up to 95.8% with good (...)
Design files
-
download PMP4435 BOM.pdf (135KB) -
download PMP4435 PCB.pdf (14242KB) -
download PMP4435 Altium.zip (1498KB)
PMP10618 — This reference design demonstrates the wide input voltage capability and small solution size of the LM46002 SIMPLE SWITCHER® Synchronous Buck Converter and the LMZ21701 SIMPLE SWITCHER® Nano Module. The LM46002 provides a regulated 12V rail from an input of 15V to 60V. The 12V rail is then (...)
Design files
-
download PMP10618 BOM.pdf (68KB) -
download PMP10618 Gerber.zip (124KB)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| (SIL) | 8 | View options |
Ordering & quality
Information included:
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- MSL rating/Peak reflow
- MTBF/FIT estimates
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- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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