LM3370SD-3021/NOPBIn StockTexas Instruments
LM3370SD-3021/NOPB is a dual synchronous step-down DC-DC converter from Texas Instruments with dynamic voltage scaling, supporting 2.7V–5.5V input, dual regulated outputs, and PWM/PFM control modes. From $0.70 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 17
- Lifecycle
- ACTIVE
- Datasheet
- LM3370SD-3021/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7006(MOQ 1)
- Temp Range
- -30.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual synchronous step-down DC-DC converter with dynamic voltage scaling (DVS) for adaptive power management
- Wide input voltage range of 2.7V to 5.5V supports single-cell Li-ion and multi-cell alkaline battery applications
- Supports both PWM and PFM control techniques for optimized efficiency across light and heavy load conditions
- Adjustable output voltage mode from 1.2V to 3.3V provides design flexibility for diverse power rails
- Compact Small Outline No-lead (SON) 16-pin package minimizes PCB footprint in space-constrained designs
Applications
The LM3370SD-3021/NOPB is well suited for portable consumer electronics such as smartphones, tablets, and wearables that require efficient dual-rail power management from a single battery source. Its dynamic voltage scaling capability makes it ideal for application processors and DSPs that dynamically adjust core voltage to balance performance and power consumption. The device also targets IoT nodes, handheld instrumentation, and wireless sensor platforms where low quiescent current and compact packaging are critical design requirements.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | ALSO OPERATES IN PFM CONTROL TECHNIQUE, ALSO OPERATES IN ADJUSTABLE MODE FROM 1.2 TO 3.3V |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | R-PDSO-N16 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 2 |
| Output Current-Max | 0.6A |
| Output Voltage-Max | 3.3V |
| Output Voltage-Min | 1V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC16,.16,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2400kHz |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the input and output voltage specifications of the LM3370SD-3021/NOPB?
The LM3370SD-3021/NOPB accepts an input voltage ranging from 2.7V to 5.5V, with a nominal operating point of 3.6V. The fixed output is regulated at 3.021V, while the adjustable mode allows output voltages from 1.2V to 3.3V, making it flexible for various digital and analog supply rails.
What control techniques does the LM3370SD-3021/NOPB support?
This converter operates primarily in voltage-mode PWM (Pulse Width Modulation) control for stable, low-ripple output under moderate to heavy loads. It also supports PFM (Pulse Frequency Modulation) control at light loads to maximize efficiency and extend battery life in portable applications.
What package does the LM3370SD-3021/NOPB use and is it RoHS compliant?
The LM3370SD-3021/NOPB is housed in a 16-pin Small Outline No-lead (SON/WSON) package, which offers a very small PCB footprint and excellent thermal performance. It is Pb-free and fully RoHS compliant, making it suitable for modern eco-conscious designs.
What are typical applications for the LM3370SD-3021/NOPB?
Typical applications include portable consumer electronics (smartphones, tablets, wearables), IoT edge devices, handheld test instruments, and battery-powered embedded systems. Its dual-output capability and dynamic voltage scaling make it especially useful for powering application processors and memory subsystems that require independent, adjustable supply voltages.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3074 | $1.31 |
| 5+ | $1.0895 | $5.45 |
| 15+ | $0.7844 | $11.77 |
| 100000+ | $0.7006 | $70060.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”