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Monolithic Power Systems Inc. MP3410DJ-LF-Z
- Part No.:
- MP3410DJ-LF-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
MP3410DJ-LF-Z.pdf
- Description:
- IC REG BOOST ADJ 1.3A TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:8,041
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Product details
Overview
MP3410DJ-LF-Z from Monolithic Power Systems is a synchronous rectified step-up DC-DC converter with fixed 550kHz switching frequency, 1.3A typical switch current limit, internal soft-start and output-to-input disconnect capability. It operates from 1.8V to 6V input, delivers regulated output from 2.5V to 6V, and integrates both N-channel high-side and P-channel synchronous rectifier MOSFETs in a TSOT23-5 package - used in portable LCD bias supplies and camera flash LED drivers.
For engineers reviewing the MP3410DJ-LF-Z datasheet, MP3410DJ-LF-Z pinout, MP3410DJ-LF-Z application, or MP3410DJ-LF-Z equivalent, key selection criteria include its 1.19V feedback reference voltage, zero-current shutdown mode, thermal shutdown at 160°C, and compatibility with ceramic output capacitors ≥4.7µF for low-noise 3.3V/5V boost rails.
Technical Context
The MP3410DJ-LF-Z implements fixed-frequency (550kHz) current-mode control with an internal 1.2V reference and error amplifier. Its regulation loop compares feedback voltage (FB) against this reference and modulates peak inductor current via PWM comparator and ramp generator.
It features dual integrated power switches: an N-channel low-side switch (RONHS ≈ 530–700mΩ) and a P-channel synchronous rectifier (RONLS ≈ 300mΩ), enabling >90% efficiency and eliminating external diode losses. Output disconnect occurs when EN is low, isolating VOUT from VIN via body-diode blocking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switching Frequency | 550kHz fixed - enables compact 4.7µH inductors and ≤10µF ceramic output capacitors. |
| Feedback Voltage | 1.19V ±0.04V - sets output via resistive divider; supports precise 3.3V or 5V regulation. |
| Max Switch Current | 1.3A typical - limits peak inductor current to sustain 400–750mA load at 3.3–5V output. |
| Input Voltage Range | 1.8V to 6V - accommodates single-cell Li-ion (2.5–4.2V), NiMH (1.8–3.2V), or 3.3V rail boosting. |
| Thermal Shutdown | 160°C with 30°C hysteresis - protects die during overload or poor PCB thermal design. |
| Shutdown Supply Current | 0.15–0.5µA - ensures battery drain <1µA in system sleep mode. |
| Output Disconnect | Enabled in shutdown (EN = low) - prevents VOUT backfeed into VIN, critical for multi-rail systems. |
Pinout & Package
MP3410DJ-LF-Z is housed in a 5-pin TSOT23-5 package (0.95mm pitch, 2.9mm × 1.6mm footprint), optimized for space-constrained portable designs. Thermal resistance θJA = 220°C/W on standard 4-layer board.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 FB | Feedback Input | High-impedance node (50nA bias) sensing output voltage via external resistor divider; sets regulation point at 1.19V. |
| 2 GND | Power Ground | Primary return path for IC core, switch currents, and feedback network; must connect to low-impedance ground plane. |
| 3 OUT | Output Supply Rail | Connects to P-channel MOSFET source; supplies regulated output voltage to load and feeds internal bias circuitry. |
| 4 SW | Switch Node | Drain connection of both internal N- and P-channel MOSFETs; connects directly to inductor; carries high di/dt switching current. |
| 5 EN | Enable Control | Logic-level input (VIH min = 1.05V @ VIN=1.8V); pulls down internally at 1MΩ; asserts zero-current shutdown when <0.4V. |
Key Features
| Feature | Design Value |
|---|---|
| Synchronous Rectification | Integrated P-channel MOSFET replaces Schottky diode - reduces conduction loss by ~300mV, enabling >90% efficiency at 400mA. |
| Internal Compensation | No external compensation components required - simplifies layout and eliminates tuning of Type-II/III networks. |
| Inrush Current Limiting | Soft-start timer clamps error amplifier output - limits input surge to <2× steady-state current during startup. |
| Output-to-Input Disconnect | Body diode of P-MOSFET reverse-biased in shutdown - blocks VOUT discharge into VIN, preserving battery charge. |
| Zero-Current Shutdown | Supply current drops to sub-µA level with EN low - extends shelf life and standby time in battery-powered devices. |
Applications
| Digital Still Cameras | Handheld PDAs |
|---|---|
Use Scenario: Powering CCD/CMOS image sensor bias rails and flash LED drivers from single-cell batteries. IC Role / Device Role / Timing Role: Step-up converter generating stable 5V/3.3V from 2.5–4.2V Li-ion input; regulates during rapid load transients (e.g., flash burst). Use Value: Synchronous rectification and 550kHz operation minimize size of inductor (4.7µH) and output cap (10µF), fitting within slim camera modules. |
Use Scenario: Boosting 1.8–3.2V NiMH/NiCd battery output to 3.3V logic supply for ARM-based PDA SoCs. IC Role / Device Role / Timing Role: Primary DC-DC regulator for microprocessor I/O and memory interface rails; enabled/disabled via system PMIC signal. Use Value: Output disconnect prevents backfeed into depleted cells; 1.3A switch current supports 750mA peak CPU loads without dropout. |
| Small LCD Displays | External Modems |
Use Scenario: Generating 5V VDD and 12V VGL/VGH gate driver supplies for monochrome or color STN/TFT LCD panels. IC Role / Device Role / Timing Role: Dual-stage boost controller (often paired with second MP3410 or charge pump) delivering regulated high-voltage bias rails. Use Value: Internal soft-start prevents display flicker at power-on; 1.19V FB reference allows accurate 5.0V ±2% output using 1% resistors. |
Use Scenario: Providing isolated 5V USB-compliant power from 3.3V host rail or 1.5V AA battery stack in portable modems. IC Role / Device Role / Timing Role: Standalone boost converter powering USB PHY, UART transceivers, and RF front-end ICs. Use Value: 550kHz switching avoids AM radio band interference; TSOT23-5 footprint enables routing under modem PCB edge connectors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-up converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS610992RTER | Higher 1.8A switch current, 1.22V FB reference, 1.2MHz switching frequency. | Better suited for 1A+ loads and ultra-low-profile inductors; requires smaller LC filter but higher EMI filtering effort. | Select when >1A output current or faster transient response is required; verify EN threshold compatibility with host logic. |
| RT8535GJ6 | Lower 1.1A switch current, 1.25V FB reference, 600kHz switching, no output disconnect. | Lacks VIN-VOUT isolation in shutdown - unsuitable where battery backfeed must be prevented. | Choose for cost-sensitive, non-isolated boost applications with moderate load (<400mA) and relaxed FB accuracy needs. |
Compared with TPS610992RTER and RT8535GJ6, MP3410DJ-LF-Z uniquely combines output disconnect, 1.19V precision FB, and proven 550kHz stability in TSOT23-5 - making it optimal for space-limited, battery-isolated 3.3V/5V boost rails requiring <750mA.
Availability
MP3410DJ-LF-Z is available at Aetrix Electronics and suitable for digital still cameras, handheld PDAs, small LCD displays, and external modems requiring stable component supply across extended production lifecycles.
Supply support for MP3410DJ-LF-Z 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
Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for power management, motion control, and automotive applications.
The MP3410 belongs to MPS's synchronous boost converter product line, designed specifically for compact, high-efficiency voltage boosting in portable consumer electronics with stringent size and battery-life constraints.
FAQ
What input voltage range does MP3410DJ-LF-Z support?
The MP3410DJ-LF-Z operates from 1.8V to 6V input. It reliably starts up at 1.65V (typical startup supply voltage) and maintains regulation across this full range, supporting single-cell Li-ion (2.5–4.2V), NiMH (1.8–3.2V), and 3.3V rail-boosting applications.
Does MP3410DJ-LF-Z require an external Schottky diode?
No external Schottky diode is required for outputs ≤4V. For 5V output applications, a 0.5A/20V Schottky diode (e.g., B130) is recommended across SW and OUT to clamp voltage spikes and protect the internal P-MOSFET body diode during heavy transient loads.
How is output voltage set on MP3410DJ-LF-Z?
Output voltage is set using a resistive divider from VOUT to FB. With R2 = 100kΩ fixed, R1 is calculated as R1 = R2 × (VOUT / VFB − 1), where VFB = 1.19V. For 3.3V output, R1 = 182kΩ (standard 1% value); for 5V, R1 = 320kΩ.
What is the purpose of the EN pin's voltage-dependent high threshold?
The EN pin's high-threshold voltage increases with VIN (e.g., 1.05V at 1.8V VIN, 2.15V at 5V VIN) to ensure reliable turn-on across the full input range. This prevents false enable/disable due to supply droop and guarantees robust sequencing in multi-rail systems.
Can MP3410DJ-LF-Z drive a 750mA load at 5V from a 2.4V input?
Yes - per the datasheet's "VOUT=5V, VIN=2.4V" efficiency curve, it delivers 750mA with ~85% efficiency. Required inductor is 4.7µH (non-saturating at ≥1.8A peak), input cap ≥4.7µF, and output cap ≥10µF ceramic placed near GND and OUT pins.
Is thermal shutdown automatically reset after cooling?
Yes - thermal shutdown activates at 160°C junction temperature and latches off the converter. Once junction temperature falls by ≥30°C (hysteresis), the device automatically resumes normal operation without requiring EN toggling or power cycle.
What layout practices are critical for stable MP3410DJ-LF-Z operation?
Place input capacitor (≥4.7µF) and output capacitor (≥10µF) within 3mm of respective VIN/GND and OUT/GND pins. Route SW and FB traces short and away from noise sources. Tie all grounds to a solid plane under the IC; avoid splits beneath FB or GND pins.
MP3410DJ-LF-Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.8V
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- 6V
- Current - Output:
- 1.3A (Switch)
- Frequency - Switching:
- 550kHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
MP3410DJ-LF-Z FAQ
1.How can I place an order for MP3410DJ-LF-Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MP3410DJ-LF-Z 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 MP3410DJ-LF-Z reliable?
The price and inventory of MP3410DJ-LF-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP3410DJ-LF-Z is usually 5 days.
3.What payment methods are accepted for MP3410DJ-LF-Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP3410DJ-LF-Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP3410DJ-LF-Z?
MP3410DJ-LF-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP3410DJ-LF-Z 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 MP3410DJ-LF-Z?
For technical support, including MP3410DJ-LF-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP3410DJ-LF-Z requirements.
6.How does Aetrix verify that MP3410DJ-LF-Z is sourced from the original manufacturer or authorized distributors?
All MP3410DJ-LF-Z 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 MP3410DJ-LF-Z meets industry standards.
7.What is the process for return or replacement of MP3410DJ-LF-Z?
All MP3410DJ-LF-Z units undergo pre-shipment inspection (PSI). If there is an issue with MP3410DJ-LF-Z, 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 MP3410DJ-LF-Z part is unused and in its original packaging.
Return procedure for MP3410DJ-LF-Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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