My Inquiry
My Account
Monolithic Power Systems Inc. MP6001DN-LF
- Part No.:
- MP6001DN-LF
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Datasheet:
-
MP6001DN-LF.pdf
- Description:
- IC REG BST FLYBACK ADJ 2A 8SOICE
- Quantity:
- Payment:
- Shipping:
Inventory:2,681
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MP6001DN-LF from Monolithic Power Systems is a monolithic flyback/forward DC-DC converter IC with integrated 150V/0.9Ω N-channel MOSFET, fixed-frequency peak-current-mode control, programmable switching frequency (55–550 kHz), and direct optocoupler interface for isolated output regulation. It delivers up to 15W output power and supports telecom-grade input ranges (36–72V) in PoE-powered VoIP systems.
For engineers reviewing the MP6001DN-LF datasheet, MP6001DN-LF pinout, MP6001DN-LF application, or MP6001DN-LF equivalent, this controller enables compact, thermally robust isolated power designs requiring line UV/OV protection, auto-restart on fault, zero-load regulation, and thermal shutdown at 150°C.
Technical Context
The MP6001DN-LF implements a single-ended primary-inductor converter (SEPIC/boost/flyback/forward) architecture with internal slope compensation and cycle-by-cycle current limiting. Its LINE pin monitors input via external resistor divider to enable 1.21V UVLO (hysteresis 100 mV) and 3.0V OVLO (hysteresis 300 mV), while the RT pin sets oscillator frequency or accepts external sync clock pulses (50–150 ns width, >3.5V peak).
It features dual VCC biasing: high-voltage startup from VIN (10–100V) charging the VCC capacitor until 6.0V, then switching to regulated operation between 4.5V and 6.0V; thermal shutdown triggers at 150°C with 30°C hysteresis, and FB pin references an internal 1.21V bandgap for optocoupler or primary-side feedback.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Rating | 150V drain-source breakdown; supports 36–72V telecom input with margin for leakage spikes |
| RDS(on) | 0.9Ω typical; limits conduction loss at 2A peak switch current |
| Switching Frequency | 55–550 kHz via RT resistor; enables trade-off between transformer size and AC losses |
| Feedback Reference | 1.21V ±50 mV; sets output voltage accuracy in optocoupler-coupled or resistive-divider loops |
| Thermal Shutdown | 150°C junction temperature with 30°C hysteresis; prevents permanent damage during overload or poor heatsinking |
| Line UV/OV Thresholds | UVLO = 1.21V ±50 mV, OVLO = 3.0V ±150 mV; provides precise input rail monitoring without external comparators |
| Startup Current | 3 mA at VIN = 20V; enables reliable start-up from high-impedance auxiliary windings or bulk capacitors |
Pinout & Package
MP6001DN-LF uses a thermally enhanced SOIC8E package with exposed pad for improved heat dissipation in high-power density telecom adapters and PoE injectors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 GND | Power return and reference node | Common ground for all internal circuits and external decoupling; must be low-impedance connection to exposed pad |
| 2 LINE | UV/OV detection and enable/disable control | Input monitor pin; grounding disables controller; voltage divider sets precise UVLO/OVLO thresholds |
| 3 FB | Inverting input of error amplifier | Accepts feedback signal referenced to internal 1.21V reference; supports optocoupler bypass mode for isolation |
| 4 COMP | Error amplifier output | Drives PWM comparator; source/sink capability (±2 mA) enables Type II compensation network design |
| 5 RT | Oscillator timing and sync input | Connects to GND via resistor for frequency setting; accepts external clock for synchronization (50–150 ns pulse) |
| 6 VCC | Bias supply for internal circuitry | Requires ≥1 µF capacitor to GND; clamped at 8V; powered by VIN during startup, then self-biased |
| 7 VIN | High-voltage startup supply | Provides initial charge current to VCC capacitor; must exceed 10V for reliable startup |
| 8 SW | Switching node | Drain of internal 150V MOSFET; connects directly to transformer primary; handles high dv/dt transients |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 150V/0.9Ω MOSFET | Eliminates external high-voltage switch and gate driver, reducing BOM count and layout complexity in flyback designs |
| Duty cycle limiting with line feed-forward | Reduces max duty cycle from 67.5% to ~58% as input rises, preventing transformer saturation at high line |
| Direct optocoupler interface | Bypasses internal error amplifier to support secondary-side regulation without compensation network redesign |
| Auto-restart on open/shorted output | After 15 failed soft-start cycles, enters full restart sequence-ensures recovery from sustained overvoltage or open feedback |
| Zero-load regulation | Uses frequency skipping to maintain stable output voltage under no-load conditions, critical for standby power compliance |
Applications
| Telecom Power Supply | Voice over IP (VoIP) Terminal |
|---|---|
Use Scenario: 48V DC input powering 5V/3A isolated output in central office line cards. IC Role / Device Role / Timing Role: Primary-side flyback controller regulating output via TL431 + PC357 optocoupler feedback loop. Use Value: Integrated 150V switch and line UV/OV protection eliminate discrete protection components, meeting GR-1089 immunity requirements. | Use Scenario: Power over Ethernet (PoE) Class 3 (15.4W) endpoint delivering 5V/2.5A to VoIP handset electronics. IC Role / Device Role / Timing Role: Forward converter controller with synchronous rectification drive capability and zero-load regulation for low standby consumption. Use Value: Programmable frequency (200–300 kHz) minimizes transformer size while maintaining EMI compliance in compact wall-mount adapters. |
| Distributed DC-DC Conversion | Industrial LED Driver |
Use Scenario: 24–75V wide-input industrial backplane supplying isolated 12V/1.2A to sensor modules. IC Role / Device Role / Timing Role: SEPIC controller enabling buck-boost operation across full input range without polarity reversal. Use Value: Cycle-by-cycle current limiting and thermal shutdown ensure robustness against short-circuit events in unattended field deployments. | Use Scenario: High-voltage boost LED driver for streetlight modules using 36–72V input and 40V/0.7A string output. IC Role / Device Role / Timing Role: Boost controller with adjustable frequency and soft-start to limit inrush into large LED capacitance. Use Value: Internal 100V startup circuit enables direct connection to PoE PSE outputs without auxiliary bias winding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar flyback/forward controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UCC28740DR | Primary-side sensing only; no optocoupler bypass; 700V BVDSS; fixed 66kHz frequency | Lacks direct optocoupler interface; requires different compensation topology for secondary regulation | Prefer when cost-sensitive non-isolated designs or strict primary-sensing compliance (e.g., ENERGY STAR) are required |
| LT3748IMS | Isolated flyback controller with integrated transformer driver; 100V rating; no internal MOSFET | Requires external 100V MOSFET; supports higher power but increases component count and layout complexity | Choose when >20W output or tighter cross-regulation across multiple outputs is needed |
Compared with UCC28740DR and LT3748IMS, MP6001DN-LF uniquely combines integrated 150V MOSFET, optocoupler bypass capability, and programmable frequency in SOIC8E-enabling compact, isolated 15W designs without external HV switch or dedicated error amplifier compensation.
Availability
MP6001DN-LF is available at Aetrix Electronics and suitable for telecom power supplies, VoIP terminals, distributed DC-DC conversion, and industrial LED drivers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MP6001DN-LF 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 analog semiconductor company specializing in high-performance power management ICs, including DC-DC converters, LED drivers, and motor drivers.
The MP6001 product line targets cost-effective, thermally efficient isolated and non-isolated DC-DC conversion for telecom infrastructure, enterprise networking, and industrial power applications-emphasizing integration, protection, and ease of system-level compliance.
FAQ
What is the maximum continuous output power achievable with MP6001DN-LF?
The MP6001DN-LF is rated for up to 15W continuous output power under typical conditions (VIN = 48V, VOUT = 5V, TA ≤ 85°C, SOIC8E with exposed pad soldered to 2-in² copper). Actual power depends on PCB thermal design, ambient temperature, and transformer efficiency-derating is required above 85°C ambient or with inadequate heatsinking.
Can MP6001DN-LF operate in discontinuous conduction mode (DCM)?
Yes, MP6001DN-LF operates in DCM at light loads due to its peak-current-mode control and frequency-skipping behavior. The controller automatically reduces switching frequency below minimum threshold to maintain zero-load regulation, making it suitable for applications requiring low standby power consumption without external burst-mode circuitry.
How does the LINE pin function in MP6001DN-LF?
The LINE pin serves dual roles: as an input monitor for UVLO (1.21V threshold) and OVLO (3.0V threshold) protection, and as a remote enable/disable input. When pulled to GND, the controller shuts down immediately; when biased between 1.2V and 3.0V via resistor divider, it enables normal operation with hysteresis-based fault recovery.
What is the purpose of the COMP pin, and what external components connect to it?
The COMP pin is the error amplifier output used to set PWM duty cycle. It connects to a Type II compensation network (typically one capacitor, one resistor, and one series RC) between COMP and FB pins. This network stabilizes the control loop, sets phase margin, and determines transient response-design values are provided in the EV6001DN evaluation board documentation.
Does MP6001DN-LF support synchronous rectification?
No, MP6001DN-LF does not generate gate drive signals for synchronous rectifiers. It is designed for use with Schottky diodes or optocoupler-controlled external MOSFETs in secondary-side synchronous configurations. The controller's COMP and FB pins support standard optocoupler feedback, but no dedicated SR control logic or timing signals are provided internally.
What is the recommended minimum VCC capacitor value for stable operation?
A minimum 1 µF ceramic capacitor is required between VCC and GND, placed as close as possible to the IC. This ensures stable bias during startup and transient load steps. Larger values (e.g., 2.2–4.7 µF) improve ripple rejection but do not replace the need for proper PCB layout and grounding to the exposed pad.
How is switching frequency programmed on MP6001DN-LF?
Frequency is set by connecting a resistor (RT) from the RT pin to GND. The relationship is fSW ≈ 550 kHz × (10 kΩ / RT). For example, RT = 10 kΩ yields ~550 kHz; RT = 100 kΩ yields ~55 kHz. The RT pin also accepts external sync clocks above the internal frequency, enabling EMI reduction through spread-spectrum or fixed-frequency locking.
MP6001DN-LF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Step-Up, Step-Up/Step-Down
- Output Configuration:
- Positive or Negative, Isolation Capable
- Topology:
- Boost, Flyback, Forward Converter, SEPIC
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 10V
- Voltage - Input (Max):
- 100V
- Voltage - Output (Min/Fixed):
- -0.5V
- Voltage - Output (Max):
- 150V
- Current - Output:
- 2A (Switch)
- Frequency - Switching:
- 200kHz ~ 500kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOICE
MP6001DN-LF FAQ
1.How can I place an order for MP6001DN-LF through Aetrix?
Please submit a Request for Quotation (RFQ) for MP6001DN-LF 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 MP6001DN-LF reliable?
The price and inventory of MP6001DN-LF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP6001DN-LF is usually 5 days.
3.What payment methods are accepted for MP6001DN-LF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP6001DN-LF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP6001DN-LF?
MP6001DN-LF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP6001DN-LF 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 MP6001DN-LF?
For technical support, including MP6001DN-LF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP6001DN-LF requirements.
6.How does Aetrix verify that MP6001DN-LF is sourced from the original manufacturer or authorized distributors?
All MP6001DN-LF 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 MP6001DN-LF meets industry standards.
7.What is the process for return or replacement of MP6001DN-LF?
All MP6001DN-LF units undergo pre-shipment inspection (PSI). If there is an issue with MP6001DN-LF, 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 MP6001DN-LF part is unused and in its original packaging.
Return procedure for MP6001DN-LF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MP6001DN-LF Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
