LTC3632EMS8E#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LTC3632EMS8E#TRPBF is an Analog Devices automotive-grade synchronous step-down DC-DC converter with 4.5 V to 50 V input range and adjustable output from 0.8 V to 50 V at up to 20 mA. It uses hysteretic current-mode control in a compact 8-pin MSOP EP package. Available in tape-and-reel from authorized distributors with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC3632EMS8E#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.3900(MOQ 1)
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 4.5 V to 50 V input range covering automotive and industrial supply voltages
- Adjustable output voltage from 0.8 V to 50 V with hysteretic current-mode control
- Automotive-grade qualification for reliable operation in harsh temperature environments
- 8-pin MSOP EP package with exposed pad for improved thermal dissipation
Applications
The LTC3632EMS8E#TRPBF is designed for automotive power management, industrial sensor supplies, and high-voltage DC-DC conversion where the input rail spans 4.5 V to 50 V. Its adjustable output voltage down to 0.8 V makes it suitable for microcontroller and DSP core supply rails in automotive ECUs and telematics modules. The hysteretic current-mode architecture provides fast transient response and low ripple operation without external compensation components.
Specifications
| 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 | OTHER |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the LTC3632EMS8E#TRPBF support and which automotive bus voltages are compatible?
The LTC3632EMS8E#TRPBF operates from 4.5 V to 50 V input, making it directly compatible with 12 V and 24 V automotive bus voltages, as well as 48 V mild hybrid systems. The wide range also accommodates load dump transients common in automotive environments, where supply voltages can spike above 40 V. Output voltage is adjustable from 0.8 V to 50 V, enabling regulation of both logic and analog supply rails.
How does the hysteretic current-mode control in the LTC3632EMS8E#TRPBF differ from PWM control?
Hysteretic current-mode control in the LTC3632EMS8E#TRPBF regulates output voltage by switching based on a current comparator with hysteresis rather than a fixed clock, eliminating the need for external loop compensation components. This results in inherently stable operation and fast transient response to load steps. Switching frequency varies with input voltage and load current, which can be a consideration for EMI-sensitive designs but simplifies the overall BOM.
What output current can the LTC3632EMS8E#TRPBF deliver and which low-power loads does it suit?
The LTC3632EMS8E#TRPBF delivers up to 20 mA of continuous output current, making it appropriate for powering low-power microcontrollers, sensors, reference circuits, and analog front-ends in automotive modules. At 20 mA from a 50 V input regulated to 3.3 V, the device achieves a conversion ratio of approximately 15:1 with high efficiency. For higher current loads, designs should consider higher-power LTC3632 variants or parallel configurations.
What does the 8-pin MSOP EP package of the LTC3632EMS8E#TRPBF offer for thermal management?
The 8-pin MSOP EP (Exposed Pad) package of the LTC3632EMS8E#TRPBF includes a bottom exposed thermal pad that can be soldered directly to a PCB copper pour, significantly reducing junction-to-board thermal resistance compared to standard MSOP packages. This allows the device to dissipate more power at elevated ambient temperatures up to 125°C, as required for automotive-grade components. The small package footprint of approximately 3 mm x 5 mm suits compact automotive sensor and ECU designs.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.1200 | $8.12 |
| 10+ | $4.4100 | $44.10 |
| 500+ | $3.6875 | $1843.75 |
| 1000+ | $3.3900 | $3390.00 |
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