LTC3632IMS8E#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LTC3632IMS8E#TRPBF is an automotive-grade synchronous step-down DC-DC converter from Analog Devices accepting 4.5 V to 50 V input and delivering an adjustable output from 0.8 V to 50 V at up to 20 mA. It uses hysteretic current-mode control for fast transient response in an 8-pin MSOP-EP package. In stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC3632IMS8E#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.9000(MOQ 19)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC3632IMS8E#TRPBF?
- Wide 4.5 V to 50 V input voltage range covering 12 V, 24 V, and 48 V automotive and industrial bus rails in a single design
- Adjustable output voltage from 0.8 V to 50 V with hysteretic current-mode control for fast load transient response without external compensation
- Automotive-grade (AEC-Q100) qualification supporting -40°C to +125°C junction temperature for under-hood and harsh-environment deployments
- Compact 8-pin MSOP-EP package with exposed pad for improved thermal dissipation, enabling high power density in space-constrained designs
What is LTC3632IMS8E#TRPBF used for?
The LTC3632IMS8E#TRPBF is designed for automotive electronics requiring a wide-input-range step-down converter on 12 V to 48 V vehicle power buses, including ADAS sensor modules, body control units, and telematics devices. Its adjustable output and hysteretic current-mode control make it ideal for powering microcontrollers and FPGAs from high-voltage rails without external loop compensation components. The AEC-Q100 automotive qualification also fits industrial IoT gateways and rail-mount PLCs operating over a -40°C to +125°C temperature range.
What are the specifications of LTC3632IMS8E#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1662 |
| YTEOL | 10 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 50V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | HYSTERETIC CURRENT MODE |
| Input Voltage-Max | 50V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.02A |
| Output Voltage-Max | 50V |
| Output Voltage-Min | 0.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.22mA |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
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 LTC3632IMS8E#TRPBF datasheet?
LTC3632IMS8E#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC3632IMS8E#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the LTC3632IMS8E#TRPBF, and which automotive bus voltages does it directly support?
The LTC3632IMS8E#TRPBF accepts input voltages from 4.5 V to 50 V, directly supporting 12 V, 24 V, and 48 V automotive bus standards without pre-regulation. It also tolerates cold-crank conditions as low as 4.5 V, making it suitable for stop-start systems where battery voltage briefly drops below 6 V during engine restart.
How does hysteretic current-mode control in the LTC3632IMS8E#TRPBF simplify PCB design compared to voltage-mode converters?
Hysteretic current-mode control eliminates the need for external frequency-compensation components such as type-III RC networks. The LTC3632IMS8E#TRPBF requires only an input capacitor, output capacitor, and inductor to complete the power stage, reducing BOM count by 4–6 components compared to a voltage-mode converter and shortening design validation time for automotive-grade boards.
Is the LTC3632IMS8E#TRPBF qualified for automotive use, and what temperature range does it cover?
Yes, the LTC3632IMS8E#TRPBF is AEC-Q100 automotive-qualified, covering an operating junction temperature range of -40°C to +125°C. This meets Grade 1 automotive requirements, allowing deployment in under-hood environments where ambient temperatures can reach 105°C continuously, making it suitable for engine control modules and transmission controllers.
What output voltage can the LTC3632IMS8E#TRPBF deliver, and how is the output adjusted?
The LTC3632IMS8E#TRPBF adjusts its output voltage from 0.8 V to 50 V using an external resistor divider connected to the feedback pin. At a 10 V nominal input, it can supply regulated 1.8 V, 3.3 V, or 5 V rails to MCUs and sensors, with a maximum output current of 20 mA suitable for bias rail and always-on microcontroller supplies.
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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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| 19+ | $5.1700 | $98.23 |
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