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Texas Instruments LM4510SD/NOPB
- Part No.:
- LM4510SD/NOPB
- Manufacturer:
- Texas Instruments
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
LM4510SD/NOPB.pdf
- Description:
- IC REG BOOST ADJ 1A 10SON
- Quantity:
- Payment:
- Shipping:
Inventory:10,773
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Product details
Overview
LM4510SD/NOPB from Texas Instruments is a synchronous step-up DC/DC converter with 1.2-A NMOS and integrated PMOS rectifier, delivering up to 120 mA at 16 V from 2.7–5.5 V input. It features true shutdown isolation (0.002 µA IQ), 1-MHz fixed-frequency operation, and soft-start control-used in white LED backlighting and USB power supply circuits where compact high-voltage boost is required.
For engineers reviewing the LM4510SD/NOPB datasheet, LM4510SD/NOPB pinout, LM4510SD/NOPB application, or LM4510SD/NOPB equivalent, key selection criteria include input voltage range (2.7–5.5 V), output capability (16 V @ 120 mA), synchronous vs. non-synchronous mode switching, feedback fault protection, and WSON-10 thermal performance (RθJA = 36°C/W).
Technical Context
The LM4510SD/NOPB implements peak current-mode PWM control with fixed 1-MHz switching frequency and automatic transition between synchronous and non-synchronous operation based on load and output voltage. Its dual-FET architecture eliminates external Schottky diodes while maintaining >85% peak efficiency across 10–280 mA loads.
Functional modes include true shutdown isolation (disconnecting FB and load from VIN), programmable soft-start via SS pin (11 µA constant-current ramp), and robust protection: input UVLO (2.35 V ON / 2.1 V OFF), thermal shutdown (150°C trip), short-circuit response ( LM4510SD/NOPB uses a 3 mm × 3 mm × 0.8 mm WSON-10 package with exposed die-attach pad (GND) for thermal management. Pin 9 (N/C) is unconnected; all other pins are electrically functional as defined below. Use Scenario: Driving 3–5串联 white OLED pixels requiring 12–16 V bias from a 3.6 V Li-ion cell in smartwatches or medical displays. IC Role / Device Role / Timing Role: Synchronous boost regulator providing regulated high-voltage rail with soft-start to prevent pixel burn-in during power-on. Use Value: 85% peak efficiency at 80 mA extends battery runtime; true shutdown cuts leakage to 2 nA, preserving charge during sleep mode. Use Scenario: Powering edge-lit LCD backlights in handheld scanners or industrial HMIs where space limits inductor height. IC Role / Device Role / Timing Role: Fixed-frequency (1 MHz) step-up converter enabling use of low-profile 4.7 µH shielded inductors and 0805 ceramic caps. Use Value: Synchronous operation eliminates Schottky losses, reducing thermal rise by 8°C at 100 mA versus diode-based alternatives. Use Scenario: Generating 5 V from 5 V USB input (buck-boost not needed) but requiring isolated shutdown to meet USB suspend current specs (<100 µA). IC Role / Device Role / Timing Role: Regulated boost stage with EN-controlled isolation - maintains VOUT regulation while drawing only 2 nA in suspend. Use Value: Feedback fault protection prevents uncontrolled 5 V rail collapse if FB divider fails, safeguarding connected USB peripherals. Use Scenario: Delivering 16 V pulses to high-brightness flash LEDs in smartphone camera modules with tight PCB area constraints. IC Role / Device Role / Timing Role: Fast-transient boost controller with 1-MHz switching and optimized compensation for <10 µs load-step response. Use Value: Thermal shutdown (150°C) and short-circuit protection prevent LED driver failure during repeated flash bursts in enclosed enclosures. The following parts are listed as comparable options for similar synchronous boost converter applications. Compared with TPS61088RHLR and MAX77818EWJ+T, LM4510SD/NOPB uniquely balances ultra-low shutdown current, adjustable high-voltage output, and FB fault protection in a 3×3 mm footprint - making it optimal for space-constrained, battery-sensitive LED and display power rails. LM4510SD/NOPB is available at Aetrix Electronics and suitable for organic LED panel power supplies, white LED backlighting, and USB-powered portable instrumentation requiring stable component supply and long-term lifecycle support. Supply support for LM4510SD/NOPB 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. Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in power management IC design and manufacturing. The LM4510SD/NOPB belongs to TI's high-efficiency DC/DC converter product line, engineered specifically for compact, battery-powered applications needing regulated high-voltage rails with minimal quiescent current and robust fault protection. The LM4510SD/NOPB delivers up to 120 mA at 16 V output when operating from a 2.7 V input, and up to 280 mA at 5 V output from the same input. Actual current depends on input voltage, ambient temperature, and PCB thermal design - derating is required above 85°C ambient to avoid thermal shutdown. The device's 1.2-A NMOS switch current limit ensures headroom for transient peaks. No, the LM4510SD/NOPB does not require an external Schottky diode. It integrates both an NMOS switch and a PMOS synchronous rectifier, enabling full synchronous operation that eliminates forward voltage drop and associated conduction losses - improving efficiency by up to 8% at medium-to-heavy loads compared to diode-based boost converters. The LM4510SD/NOPB monitors VOUT continuously when feedback is disconnected or shorted. If VOUT rises above 20 V (ON threshold) or falls below 17 V (OFF threshold), the device shuts down to prevent unregulated overvoltage or undervoltage conditions. Recovery occurs automatically once the FB network is restored and VOUT returns within the 17–20 V window - protecting downstream LEDs, amplifiers, or sensors. The LM4510SD/NOPB uses a 10-pin WSON package (3.0 mm × 3.0 mm × 0.8 mm) with an exposed thermal pad connected to PGND. Its junction-to-ambient thermal resistance is 36°C/W, and junction-to-board is 22°C/W. For reliable operation at full load, the PCB must include ≥100 mm² of 2-oz copper connected to the die-attach pad via ≥4 thermal vias. Yes, the LM4510SD/NOPB is fully stable with ceramic output capacitors as small as 4.7 µF (X5R/X7R). Its internal compensation and low-ESR tolerance eliminate the need for bulky tantalum or electrolytic capacitors - enabling compact, low-profile designs ideal for portable medical devices and handheld scanners where board space is constrained.Key Specifications
Parameter
Value and Actual Design Meaning
Input Voltage Range 2.7 V to 5.5 V - supports single-cell Li-ion, NiMH, and USB-powered systems without external LDO pre-regulation. Output Voltage Range Adjustable up to 18 V - set by external resistor divider (e.g., 20.5 kΩ/240 kΩ for 16 V), enabling white LED string or Class D amplifier bias rails. Switch Current Limit 1.2 A typical - ensures reliable inductor peak current handling (e.g., 4.7 µH) under transient loads without NMOS saturation. Shutdown Quiescent Current 0.002 µA - enables battery-powered devices to maintain multi-year shelf life with no leakage path through FB or load. Feedback Reference Voltage 1.265 V (typ.) - defines output accuracy (±2.5% over temp); sets minimum resistor values to limit divider current and noise sensitivity. Thermal Resistance (RθJA) 36 °C/W - requires ≥100 mm² exposed copper pad on PCB for 125°C max junction temperature at full load in still air. Switching Frequency 1 MHz (±15%) - allows use of small 4.7 µH inductors and ceramic capacitors while avoiding AM radio band interference. Pinout & Package
Pin/Terminal
Circuit Role
Design Meaning
1 SW Switch node Drain connection of internal NMOS and PMOS; carries high di/dt ripple current - must be routed short and wide with low-inductance layout. 2 PGND Power ground High-current return path for NMOS source and inductor; separate from AGND to avoid noise coupling into error amplifier. 3 VIN Input supply Accepts 2.7–5.5 V; requires local 4.7 µF ceramic capacitor within 5 mm to suppress input ripple and ESR-related losses. 4 EN Enable logic input Active-high (1.2 V threshold); internal pull-down ensures default off-state - compatible with microcontroller GPIO without external resistor. 5 SS Soft-start control Accepts external capacitor to linearly ramp COMP voltage; sets inrush current limit and prevents output overshoot during startup. 6 AGND Analog ground Reference for FB, COMP, and SS; must connect to PGND at single point near IC to minimize ground bounce in feedback loop. 7 COMP Compensation node Connects RC/CC1 network to stabilize voltage loop; pole-zero placement determines phase margin and transient response speed. 8 FB Feedback input Senses output via resistor divider; 0.05 µA bias current mandates ≤200 kΩ total divider resistance to limit voltage error. 10 VOUT PMOS source output Internal PMOS source terminal - connects directly to output capacitor; provides synchronous rectification without external diode. Key Features
Feature
Design Value
No external Schottky diode required Synchronous rectification using integrated PMOS reduces conduction loss by ~0.3 V forward drop, improving efficiency at >50 mA loads. True shutdown isolation EN = LOW disconnects FB divider and load from VIN, eliminating standby leakage paths - critical for battery longevity in portable devices. Feedback fault protection Detects open or shorted FB network (VOUT > 20 V or < 17 V) and forces shutdown - prevents unregulated overvoltage damage to downstream LEDs or amplifiers. Stable with small ceramics Compensated for 4.7–10 µF X5R/X7R ceramic output capacitors (ESR < 50 mΩ), enabling compact, low-profile designs without tantalum bulk caps. Output short-circuit protection Halts switching when VOUT drops below VIN – 0.7 V (typ.), limiting fault current to safe levels without latch-up or thermal runaway. Applications
Organic LED Panel Power Supply
White LED Backlight
USB Power Supply
Camera Flash LED Driver
Equivalent & Alternatives
Alternative Part
Technical Difference
Application Difference
Selection Advice
TPS61088RHLR Higher output current (3.5 A), wider VIN (2.7–12 V), but larger 14-pin WQFN package and no true shutdown isolation. Better suited for high-power applications like portable projectors; lacks 0.002 µA shutdown for ultra-low-power IoT sensors. Select TPS61088RHLR when >500 mA output or >12 V input is required; avoid if battery shelf-life or FB fault safety are critical. MAX77818EWJ+T Integrated battery charger + boost converter; 1.2 A switch, but fixed 5 V/9 V/12 V outputs and no adjustable FB pin. Targeted at single-chip power management in wearables; cannot replace LM4510SD/NOPB in custom 16 V LED bias applications. Choose MAX77818EWJ+T only when combining charging and boost functions saves board space; not a drop-in replacement for standalone boost needs. Availability
Manufacturer
FAQ
What is the maximum output current capability of the LM4510SD/NOPB at 16 V output?
Does the LM4510SD/NOPB require an external Schottky diode?
How does the feedback fault protection function in the LM4510SD/NOPB?
What package type and thermal characteristics apply to the LM4510SD/NOPB?
Can the LM4510SD/NOPB operate with ceramic output capacitors only?
LM4510SD/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-WFDFN Exposed Pad
- 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):
- 2.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.7V
- Voltage - Output (Max):
- 18V
- Current - Output:
- 1A (Switch)
- Frequency - Switching:
- 1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-SON (3x3)
LM4510SD/NOPB FAQ
1.How can I place an order for LM4510SD/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM4510SD/NOPB 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 LM4510SD/NOPB reliable?
The price and inventory of LM4510SD/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM4510SD/NOPB is usually 5 days.
3.What payment methods are accepted for LM4510SD/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM4510SD/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM4510SD/NOPB?
LM4510SD/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM4510SD/NOPB 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 LM4510SD/NOPB?
For technical support, including LM4510SD/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM4510SD/NOPB requirements.
6.How does Aetrix verify that LM4510SD/NOPB is sourced from the original manufacturer or authorized distributors?
All LM4510SD/NOPB 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 LM4510SD/NOPB meets industry standards.
7.What is the process for return or replacement of LM4510SD/NOPB?
All LM4510SD/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM4510SD/NOPB, 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 LM4510SD/NOPB part is unused and in its original packaging.
Return procedure for LM4510SD/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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