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Analog Devices Inc. LT8362HMSE#PBF
- Part No.:
- LT8362HMSE#PBF
- Manufacturer:
- Analog Devices Inc.
- Package:
- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad
- Datasheet:
-
LT8362HMSE#PBF.pdf
- Description:
- IC REG BOOST SEPIC 2A 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,720
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Product details
Overview
LT8362HMSE#PBF from Analog Devices is a current-mode DC/DC converter IC with a 60V, 2A internal power switch, operating from 2.8V to 60V input. It supports boost, SEPIC, and inverting topologies via a single FBX feedback pin, delivers 48V output at up to 700mA (VIN = 24V), and achieves ultralow 9µA quiescent current in Burst Mode for battery-powered industrial sensors and automotive subsystems.
For engineers reviewing the LT8362HMSE#PBF datasheet, LT8362HMSE#PBF pinout, LT8362HMSE#PBF application, or LT8362HMSE#PBF equivalent, key selection criteria include its 150°C junction-rated MSOP-16 package, programmable 300kHz–2MHz switching frequency, SYNC/MODE pin configurable for Burst Mode or SSFM, BIAS pin for efficiency optimization, and ±0.8% FBX regulation accuracy across temperature.
Technical Context
The LT8362HMSE#PBF implements fixed-frequency current-mode control with external RT-resistor programmability and dual-path error amplification-A1 active for positive outputs (1.60V reference), A2 for negative outputs (–0.80V reference). Its Burst Mode operation maintains <15mV output ripple while drawing only 9µA from VIN at light loads.
It features integrated overcurrent protection (3.75A switch trip), thermal shutdown (>170°C), frequency foldback, and programmable soft-start via SS pin (2µA charge current). The BIAS pin supplies INTVCC when 4.4V ≤ BIAS ≤ VIN, reducing VIN current draw and improving full-load efficiency in SEPIC or high-VIN boost applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.8V to 60V - supports wide-range industrial rails, automotive cold-crank (6V), and telecom (48V) inputs without pre-regulation |
| Switch Rating | 60V, 2A - enables 48V boost output with margin; RDS(ON) = 165mΩ ensures <1.2W conduction loss at 2A |
| Quiescent Current | 9µA in Burst Mode - extends battery life in always-on IoT nodes and low-power telemetry systems |
| Feedback Reference | +1.60V / –0.80V - single-pin topology selection eliminates external mode-switching logic |
| Switching Frequency | 300kHz to 2MHz (RT-programmable) - allows EMI-sensitive designs to avoid AM band or harmonics of system clocks |
| Junction Temperature | –40°C to +150°C - qualified for under-hood automotive and high-ambient industrial environments |
| Package | 16-lead MSOP with 4 pins removed - thermally enhanced θJA = 45°C/W; exposed pad must be soldered to PGND for thermal and EMI performance |
Pinout & Package
LT8362HMSE#PBF uses a thermally enhanced 16-lead plastic MSOP package with four pins removed (MSE16 variation), featuring an exposed pad (Pin 17) that serves as both PGND and GND and must be soldered to PCB ground plane for thermal management and low-impedance return paths.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN/UVLO | Enable and undervoltage lockout input | 1.6V rising threshold with 80mV hysteresis - enables precise input voltage turn-on/off programming via resistor divider |
| VIN | Main input supply | Accepts 2.8V–60V; local bypassing required near pin and exposed pad to minimize noise and voltage droop |
| INTVCC | Internal 3.2V regulator output | Must be bypassed with 1µF ceramic capacitor; not externally loaded - powers gate drivers and internal logic |
| BIAS | Secondary supply for INTVCC | Accepts 4.4V–40V; reduces VIN current draw when 4.4V ≤ BIAS ≤ VIN - improves efficiency in SEPIC or high-VIN boost |
| VC | Error amplifier output | Connects to external compensation network (R-C-CE) - sets loop bandwidth and phase margin across input/output ranges |
| FBX | Topology-selectable feedback input | +1.60V reference for boost/SEPIC; –0.80V for inverting - eliminates need for external op-amp or polarity-reversal circuitry |
| RT | Frequency programming input | Resistor to GND sets fSW from 300kHz to 2MHz - enables EMI tuning and inductor size optimization |
| SS | Soft-start control | 2µA constant-current charge; internal 220Ω pull-down during fault - controls inrush current and prevents output overshoot |
| SYNC/MODE | Multi-function configuration pin | Selects Burst Mode (GND), pulse-skip (float), SSFM (INTVCC), or external sync (clock input) - unifies EMI, efficiency, and timing control |
| SW1/SW2 | Power switch output | 60V, 2A NMOS drain/source - minimized trace area required to reduce radiated EMI from high di/dt switching node |
| PGND/GND | Power and signal ground | Exposed pad (Pin 17) is primary thermal path and low-impedance return - must be solidly soldered to large copper plane |
Key Features
| Feature | Design Value |
|---|---|
| Single-pin topology selection | FBX pin accepts either +1.60V or –0.80V reference - enables boost, SEPIC, or inverting configurations without external switches or op-amps |
| Ultralow IQ Burst Mode | 9µA VIN current at no load with <15mV ripple - sustains long-term operation in energy-harvesting and battery-backed systems |
| Spread Spectrum Frequency Modulation | ±20% frequency dither at fSW/256 rate - reduces peak EMI by >10dB without filter redesign |
| Programmable UVLO with hysteresis | 1.6V turn-on / 1.56V turn-off thresholds - prevents brownout oscillation during input sag in automotive or generator-fed systems |
| Thermally robust packaging | 150°C max junction rating in MSOP-16 with exposed pad - supports under-hood placement without derating in automotive ADAS modules |
| BIAS-assisted efficiency | Redirects INTVCC current from VIN to BIAS supply - improves full-load efficiency by up to 3% in SEPIC where VOUT < VIN |
Applications
| Automotive Camera Power Supply | Industrial Sensor Transmitter |
|---|---|
Use Scenario: Powers 12V or 24V camera modules from vehicle battery (6V–16V cold-crank range) with stable 48V bias for image sensors. IC Role / Device Role / Timing Role: Boost converter with programmable UVLO and Burst Mode - regulates output during engine start while minimizing standby drain. Use Value: 150°C rating ensures reliability in enclosed rearview mirror housings; SSFM meets CISPR 25 Class 5 EMI limits without added shielding. |
Use Scenario: Supplies 24V to 4–20mA loop-powered pressure/temperature transmitters in hazardous-area process plants. IC Role / Device Role / Timing Role: SEPIC converter with BIAS pin tied to VOUT - maintains regulation during 12V–48V input transients and improves efficiency at full load. Use Value: 60V switch withstands 40V surge events per IEC 61000-4-5; 9µA IQ extends battery backup runtime beyond 10 years. |
| Portable Medical Imaging | Ruggedized Telecom Interface |
Use Scenario: Generates isolated ±15V rails for ultrasound front-end analog signal chains in handheld diagnostic devices. IC Role / Device Role / Timing Role: Inverting converter using FBX's –0.80V reference - produces clean negative rail without extra inductors or charge pumps. Use Value: Single FBX pin simplifies layout vs dual-controller solutions; 2A switch supports pulsed Doppler transmit bursts without dropout. |
Use Scenario: Provides 3.3V or 5V auxiliary power from 48V telecom plant supply in outdoor base station radios. IC Role / Device Role / Timing Role: High-input boost converter with SYNC pin synchronized to system clock - eliminates beat frequencies in RF sections. Use Value: 2MHz switching enables compact 1µH inductors; 165mΩ RDS(ON) limits thermal rise in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DC/DC converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC3789EMSE#PBF | Requires external MOSFETs; supports synchronous rectification; no integrated 2A switch | Better suited for >5A output or high-efficiency synchronous designs; lacks Burst Mode IQ | Choose LTC3789EMSE#PBF when output current exceeds 2A or synchronous FET control is required |
| MAX20404ATPA/VY+ | 3.5V–36V input; 3.2A switch; integrates LDO and watchdog; no inverting topology support | Targeted at automotive infotainment with functional safety; lacks SEPIC/inverting capability and 60V rating | Choose MAX20404ATPA/VY+ for ASIL-B systems needing integrated diagnostics but not high-voltage or inverting operation |
Compared with LTC3789EMSE#PBF and MAX20404ATPA/VY+, the LT8362HMSE#PBF uniquely combines 60V/2A integration, single-pin topology flexibility, 9µA Burst Mode, and 150°C operation - making it optimal for space-constrained, high-temperature, multi-topology industrial and automotive power stages where external FETs or safety features are unnecessary.
Availability
LT8362HMSE#PBF is available at Aetrix Electronics and suitable for automotive camera modules, industrial sensor transmitters, portable medical imaging, and ruggedized telecom interfaces requiring stable component supply across extended temperature and high-reliability production cycles.
Supply support for LT8362HMSE#PBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, and automotive electronics markets.
The LT8362 belongs to Analog Devices' Power by Linear™ family of monolithic DC/DC converters, designed specifically for high-voltage, wide-input industrial and automotive power conversion where reliability, efficiency, and topology flexibility are critical.
FAQ
What is the maximum junction temperature rating for the LT8362HMSE#PBF?
The LT8362HMSE#PBF is rated for a maximum junction temperature of +150°C and is fully specified over –40°C to +150°C. This H-grade qualification makes it suitable for under-hood automotive applications and high-ambient industrial environments where standard E- or I-grade variants would require derating or heatsinking. The LT8362HMSE#PBF achieves this rating through process and packaging enhancements validated per AEC-Q100.
How does the LT8362HMSE#PBF support both positive and negative output voltages?
The LT8362HMSE#PBF uses a dual-reference architecture on the FBX pin: +1.60V for boost and SEPIC configurations, and –0.80V for inverting topologies. No external components or mode-selection logic are needed - the IC automatically selects the appropriate error amplifier (A1 or A2) based on FBX voltage polarity. This enables seamless re-use of the same LT8362HMSE#PBF footprint across multiple output polarity requirements in a single design.
Can the LT8362HMSE#PBF be synchronized to an external clock, and what are the voltage requirements?
Yes, the LT8362HMSE#PBF supports external clock synchronization via the SYNC/MODE pin. The input clock must be a square wave with 20%–80% duty cycle, valley <0.4V and peak >1.7V (up to 6V). Synchronization is supported from 300kHz to 2MHz. When synchronized, the LT8362HMSE#PBF operates in pulse-skipping mode instead of Burst Mode, maintaining regulation alignment with the system clock to prevent beat frequencies in sensitive RF or timing-critical applications.
What is the purpose of the BIAS pin on the LT8362HMSE#PBF, and how should it be used?
The BIAS pin on the LT8362HMSE#PBF supplies the INTVCC regulator when 4.4V ≤ BIAS ≤ VIN, diverting up to 1.6mA from VIN and improving full-load efficiency - especially beneficial in SEPIC designs where VOUT < VIN. If unused, BIAS must be tied to GND. For optimal results, connect BIAS directly to VOUT in SEPIC or use a dedicated low-noise 5V rail; always bypass with a local 1µF ceramic capacitor to suppress noise coupling into INTVCC.
Does the LT8362HMSE#PBF include built-in protection features, and which ones are active?
Yes, the LT8362HMSE#PBF includes comprehensive protection: undervoltage lockout on EN/UVLO (<1.6V), INTVCC UVLO (<2.5V), overtemperature shutdown (>170°C), switch overcurrent limiting (3.75A trip), and soft-start fault reset (SS pin discharge via 220Ω MOSFET). All protections immediately disable switching and reset the soft-start sequence. These features ensure robust operation in unattended industrial and automotive deployments without requiring external supervision circuitry.
LT8362HMSE#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost, SEPIC
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.8V
- Voltage - Input (Max):
- 60V
- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
- 60V (Switch)
- Current - Output:
- 2A (Switch)
- Frequency - Switching:
- 300kHz ~ 2MHz
- Synchronous Rectifier:
- -
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-MSOP-EP
LT8362HMSE#PBF FAQ
1.How can I place an order for LT8362HMSE#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT8362HMSE#PBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LT8362HMSE#PBF reliable?
The price and inventory of LT8362HMSE#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT8362HMSE#PBF is usually 5 days.
3.What payment methods are accepted for LT8362HMSE#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT8362HMSE#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT8362HMSE#PBF?
LT8362HMSE#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT8362HMSE#PBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LT8362HMSE#PBF?
For technical support, including LT8362HMSE#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT8362HMSE#PBF requirements.
6.How does Aetrix verify that LT8362HMSE#PBF is sourced from the original manufacturer or authorized distributors?
All LT8362HMSE#PBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LT8362HMSE#PBF meets industry standards.
7.What is the process for return or replacement of LT8362HMSE#PBF?
All LT8362HMSE#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT8362HMSE#PBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LT8362HMSE#PBF part is unused and in its original packaging.
Return procedure for LT8362HMSE#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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