LDK220C32R STMicroelectronics Integrated Circuit (SOT23 (5-Pin)) In Stock
The LDK220C32R is a 200 mA ultra-low quiescent current LDO linear regulator with low noise output in a compact SOT-23-5 package. It features a fixed 3.2 V output, input voltage range of 4.2 V to 13.2 V, and dropout voltage as low as 1 V. Ideal for battery-powered applications requiring stable, quiet power supply.
- Manufacturer
- STMicroelectronics
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LDK220C32R Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LDK220C32R?
- Ultra-low quiescent current design for extended battery life in portable and IoT devices
- Low output noise for noise-sensitive analog and RF circuits requiring clean power
- Fixed 3.2 V output with tight regulation: line regulation max 0.0144% and load regulation max 0.019%
What is LDK220C32R used for?
The LDK220C32R is well suited for battery-powered portable electronics such as wearables, IoT sensors, and handheld devices where minimizing quiescent current is critical. Its low noise output makes it ideal for powering analog front-ends, RF transceivers, and precision sensors. The compact SOT-23-5 footprint supports space-constrained PCB designs in consumer and industrial equipment.
What are the specifications of LDK220C32R?
| YTEOL | 7 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 1V |
| Input Voltage Absolute-Max | 14V |
| Input Voltage-Max | 13.2V |
| Input Voltage-Min | 4.2V |
| JESD-30 Code | R-PDSO-G5 |
| Line Regulation-Max | 0.0144% |
| Load Regulation-Max | 0.019104% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.2A |
| Output Voltage1-Max | 3.296V |
| Output Voltage1-Min | 3.104V |
| Output Voltage1-Nom | 3.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Voltage Tolerance-Max | 3% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Where can I find the LDK220C32R datasheet?
LDK220C32R Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for LDK220C32R?
Compatible alternatives and drop-in replacements for LDK220C32R:
Frequently Asked Questions
What is the input voltage range supported by the LDK220C32R?
The LDK220C32R supports an input voltage range of 4.2 V to 13.2 V (absolute maximum 14 V), giving designers flexibility to operate from single-cell Li-ion batteries up to multi-cell packs or regulated bus rails in portable and industrial systems.
How does the LDK220C32R's 1 V dropout voltage benefit battery-powered designs?
With a nominal dropout voltage of 1 V at 200 mA, the LDK220C32R allows systems to continue regulating a fixed 3.2 V output even when the battery discharges close to 4.2 V, extending usable battery life compared to regulators with higher dropout requirements.
Which applications benefit most from the LDK220C32R's low noise characteristic?
Precision analog circuits, RF transceivers, MEMS microphones, and ADC reference supplies benefit most because the LDK220C32R's low noise output prevents power-supply noise from coupling into sensitive measurement or communication paths, ensuring accurate 3.2 V supply with line regulation under 0.0144%.
When would an engineer choose the LDK220C32R over a switching regulator for a 200 mA load?
An engineer would choose the LDK220C32R when board space is limited to the SOT-23-5 footprint (approximately 2.9 mm x 1.6 mm), EMI constraints prohibit switching noise, and the input-to-output differential is under 1 V to 2 V so that the linear dropout losses remain acceptable for the 200 mA current budget.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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