LM5030MM/NOPBIn StockTexas Instruments
LM5030MM/NOPB is a current-mode push-pull PWM controller by Texas Instruments, 1MHz max frequency, 3V–75V input, VSSOP-8 package, priced from $1.29, in-stock, ships globally, 1-unit minimum.
- Manufacturer
- Texas Instruments
- Package
- VSSOP-8
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM5030MM/NOPB Datasheet PDF
- Category
- power-management
- Price
- From $1.2855(MOQ 69)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode push-pull PWM control architecture
- Wide 3V to 75V input voltage range
- Up to 1MHz programmable switching frequency
- Integrated 1A gate driver outputs
- Cycle-by-cycle current limiting with slope compensation
- VSSOP-8 compact package
- –40°C to 125°C extended temperature range
Applications
The LM5030MM/NOPB is designed for isolated DC-DC power supplies in telecom, networking, and industrial equipment. It is widely used in push-pull transformer-coupled converters where wide input voltage range and high switching frequency are required for compact designs.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 14V |
| Input Voltage-Nom | 48V |
| JESD-30 Code | S-PDSO-G10 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.1A |
| Output Voltage-Nom | 7.7V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 15V |
| Supply Voltage-Min (Vsup) | 8V |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | VSSOP-8 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM5030MM/NOPB:
Switching Controller, Current-mode, 0.1A, 690kHz Switching Freq-Max, PDSO10
Frequently Asked Questions
How does the LM5030MM/NOPB control switching frequency?
The LM5030MM/NOPB uses an external resistor and capacitor on the RT/CT pins to program the oscillator frequency up to 1MHz. Higher resistance and lower capacitance values produce higher frequencies, allowing designers to optimize for size and efficiency in their specific application.
Which topologies are supported by the LM5030?
The LM5030 is specifically designed for push-pull converter topologies. Its dual-output gate driver provides complementary 180°-phase-shifted drive signals for the two primary switches of a push-pull transformer, making it ideal for isolated DC-DC designs in telecom and industrial power supplies.
Can the LM5030MM/NOPB operate from a wide input voltage directly?
Yes. The LM5030 supports an input voltage range of 3V to 75V, making it suitable for 24V, 36V, and 48V telecom bus rails. An internal high-voltage startup regulator draws bias from the input bus, eliminating the need for a separate low-voltage bias supply in many designs.
What protection features are built into the LM5030?
The LM5030 includes cycle-by-cycle current limiting with programmable slope compensation to prevent subharmonic oscillation, soft-start via an external capacitor, and an UVLO (undervoltage lockout) circuit that prevents switching until the VCC rail reaches its operating threshold.
What alternatives exist for the LM5030MM/NOPB?
Close alternatives include the LM5035A (enhanced push-pull/half-bridge controller, same TI family), the UC2825B (fixed-frequency current-mode PWM, push-pull capable), and the NCP1252A from onsemi (current-mode push-pull/forward controller). The LM5030 is preferred when a small VSSOP-8 footprint and 75V input are both required.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 69+ | $4.3500 | $300.15 |
| 144+ | $1.3900 | $200.16 |
| 187+ | $1.3377 | $250.15 |
| 234+ | $1.2855 | $300.81 |
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