LTC3101EUF#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
Analog Devices LTC3101EUF#PBF is a multi-output DC/DC converter accepting 1.8V to 5.5V input from 2-cell AA or single Li-Ion batteries. Delivers multiple regulated outputs using current-mode PWM control in a compact QFN package for space-constrained portable systems. Available from authorized distributors globally with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- LTC3101EUF#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.4300(MOQ 1)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 1.8V to 5.5V input range supporting 2-cell AA batteries, single Li-Ion/LiPo cells, and USB 5V rails in a single IC
- Multi-output current-mode PWM DC/DC converter with adjustable outputs from 0.6V to 5.25V covering diverse rail voltage requirements
- Compact QFN package minimizing PCB footprint for ultra-portable devices requiring multiple regulated voltage rails with high efficiency
Applications
The LTC3101EUF#PBF is ideal for battery-powered portable devices such as handheld instruments, wearables, and IoT sensor nodes that require multiple regulated supply rails from a 2-cell AA or single Li-Ion battery. Its 1.8V to 5.5V input range and adjustable output voltages from 0.6V to 5.25V allow designers to power mixed-voltage SoCs, RF front ends, and sensor peripherals from a single converter IC. The current-mode PWM architecture ensures fast transient response and stable regulation under varying load conditions typical in portable consumer electronics.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1697 |
| YTEOL | 10 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.5V TO 5.25V, 0.6V TO 5.5V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 1.8V |
| Input Voltage-Nom | 3V |
| JESD-30 Code | S-PQCC-N24 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.54A |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 1520kHz |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LTC3101EUF#PBF support, and which battery chemistries are compatible?
The LTC3101EUF#PBF accepts an input voltage from 1.8V to 5.5V, covering 2-cell AA alkaline batteries (down to approximately 1.8V at end of life), single Li-Ion cells at 3.6V to 4.2V, and USB 5V bus power, making it a versatile choice for multi-source portable system designs.
What output voltage range can the LTC3101EUF#PBF regulate, and how many independent rails does it provide?
The LTC3101EUF#PBF supports adjustable output voltages from 0.6V to 5.25V across its multiple output rails, enabling simultaneous generation of 1.8V core logic, 3.3V I/O, and analog supply voltages from a single multi-output converter IC in compact portable designs.
What control architecture does the LTC3101EUF#PBF use, and how does it perform under load transients?
The LTC3101EUF#PBF uses current-mode pulse-width modulation (PWM) control, which provides inherent cycle-by-cycle current limiting and fast transient response typically within a few microseconds for load steps up to full rated current, ensuring stable output voltages in portable systems with dynamically varying processor and RF loads.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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