LTC3569EUDC#TRPBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
LTC3569EUDC#TRPBF is a triple synchronous step-down (buck) regulator from Analog Devices providing one 1.2 A channel and two 600 mA channels, operating from a 2.5 V to 5.5 V input in a compact QFN-20 package. It uses current-mode control with burst mode for high light-load efficiency. Ideal for multi-rail power management in portable and IoT devices.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- LTC3569EUDC#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.2800(MOQ 1)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC3569EUDC#TRPBF?
- Triple buck regulator: one 1.2 A and two 600 mA independent programmable outputs
- Input voltage range: 2.5 V to 5.5 V supporting Li-Ion and USB power sources
- Current-mode control with burst mode operation for high efficiency at light loads
- QFN-20 package for compact multi-rail power supply in space-constrained portable designs
- Programmable output voltages for flexible multi-rail SoC and sensor power management
What is LTC3569EUDC#TRPBF used for?
The LTC3569EUDC#TRPBF is designed for multi-rail power management in portable electronics, IoT nodes, and wireless communication modules requiring independent regulated outputs from a single Li-Ion or USB supply of 2.5 V to 5.5 V. Its three buck channels supply different voltage rails — such as a core logic rail, an I/O rail, and a sensor rail — from a single compact IC. Burst mode operation significantly reduces quiescent current consumption, extending battery life in always-on IoT devices.
What are the specifications of LTC3569EUDC#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1742 |
| YTEOL | 10 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | BURST MODE |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.5V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | R-PQCC-N20 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 2.5A |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.365mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 3000kHz |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| ## LTC3569EUDC#TRPBF Alternates Showing results | Image |
| 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 |
Where can I find the LTC3569EUDC#TRPBF datasheet?
LTC3569EUDC#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC3569EUDC#TRPBF?
Compatible alternatives and drop-in replacements for LTC3569EUDC#TRPBF:
suggested
suggested
suggested
Frequently Asked Questions
What output current can each channel of LTC3569EUDC#TRPBF deliver and how many channels are there?
The LTC3569EUDC#TRPBF provides 3 independent step-down outputs: one channel rated at 1.2 A and two channels each rated at 600 mA, all operating from a 2.5 V to 5.5 V input. This allows the IC to power a processor core, an I/O voltage rail, and a sensor supply simultaneously from a single Li-Ion battery.
How does burst mode operation in LTC3569EUDC#TRPBF extend battery life in IoT devices?
At light loads, LTC3569EUDC#TRPBF enters burst mode, switching intermittently to maintain output regulation while dramatically reducing switching losses and quiescent current consumption. This behavior is critical for IoT sensor nodes and wearables that spend most of their time in standby, where continuous switching at 2.5 V to 5.5 V input would waste milliamps of unnecessary current.
Which multi-rail portable power supply applications suit the LTC3569EUDC#TRPBF over a single-channel regulator?
Wireless SoC platforms, GPS modules, and camera systems requiring separate 1.8 V core, 3.3 V I/O, and 2.8 V analog rails benefit from consolidating all three supplies into the LTC3569EUDC#TRPBF's 1.2 A and dual 600 mA channels. Using one QFN-20 IC instead of 3 discrete regulators reduces PCB area and simplifies power sequencing in space-constrained portable designs.
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Why Buy from FindMyChip
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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $10.9800 | $10.98 |
| 2+ | $7.3200 | $14.64 |
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| 250+ | $4.6500 | $1162.50 |
| 1000+ | $4.2800 | $4280.00 |
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