Specifications
| Type | Description |
|---|---|
| Part Number | LMR16030 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Component Type | Power_IC |
| Package / Case | 8-pin HSOIC DDA with PowerPAD, 4.89 mm x 3.90 mm nominal body |
| Input Voltage Range | 4.3-60 V; recommended operating condition |
| Continuous Output Current | 3 A; device feature |
| Output Voltage Range | 0.8-50 V; recommended operating condition |
| Operating Quiescent Current | 40 µA; non-switching, VFB = 1.0 V, TA = 25°C |
| Shutdown Supply Current | 1.0 µA typ, 3.0 µA max; VEN = 0 V, TA = 25°C, 4.3 V ≤ VIN ≤ 60 V |
| High-Side MOSFET On-Resistance | 155 mΩ typ, 320 mΩ max; VIN = 12 V, BOOT to SW = 5.8 V |
| Current Limit | 3.80 A min, 4.75 A typ, 5.70 A max; VIN = 12 V, TA = 25°C, open loop |
| Switching Frequency Range | 200-2500 kHz; RT mode |
| SYNC Mode Switching Frequency Range | 250-2300 kHz; SYNC mode |
| Switching Frequency | 1758 kHz min, 1912 kHz typ, 2066 kHz max; RT = 11.5 kΩ |
| Feedback Voltage | 0.746 V min, 0.750 V typ, 0.754 V max; TJ = 25°C |
| Feedback Voltage | 0.735 V min, 0.750 V typ, 0.765 V max; TJ = -40°C to 125°C |
| UVLO Rising Threshold | 3.8 V min, 4.0 V typ, 4.2 V max; VIN pin undervoltage lockout |
| UVLO Hysteresis | 285 mV typ; VIN pin undervoltage lockout |
| Enable Threshold Voltage | 1.05 V min, 1.20 V typ, 1.38 V max; EN pin |
| Enable Pin Current | -4.6 µA typ; enable threshold +50 mV |
| Enable Pin Current | -1.0 µA typ; enable threshold -50 mV |
| Enable Hysteresis Current | -3.6 µA typ; EN pin |
| Soft-Start Pin Current | -3.0 µA typ; external soft-start version only, TA = 25°C |
| Internal Soft-Start Time | 4.0 ms typ; power-good version only, 10% to 90% of FB voltage |
| Power-Good Undervoltage Threshold | 94% of FB voltage; POWER GOOD threshold |
| Power-Bad Undervoltage Threshold | 92% of FB voltage; POWER BAD threshold |
| Power-Bad Overvoltage Threshold | 109% of FB voltage; POWER BAD threshold |
| Power-Good Overvoltage Threshold | 107% of FB voltage; POWER GOOD threshold |
| Power-Good Recovery Hysteresis | 2% of FB voltage; PGOOD flag |
| PGOOD Leakage Current | 10 nA typ, 200 nA max; high-level output, VPull-Up = 5 V |
| PGOOD Low-Level Output Voltage | 0.1 V typ; IPull-Up = 1 mA |
| Minimum VIN for Valid PGOOD Output | 1.6 V min, 1.95 V max; VPull-Up < 5 V at IPull-Up = 100 µA |
| SYNC Clock High-Level Threshold | 1.7 V typ; RT/SYNC pin synchronization input |
| SYNC Clock Low-Level Threshold | 0.5 V typ; RT/SYNC pin synchronization input |
| Operating Junction Temperature | -40°C to 125°C; recommended operating condition |
| Thermal Shutdown Threshold | 170°C typ; thermal protection |
| Thermal Shutdown Hysteresis | 12°C typ; thermal protection |
| Junction-to-Ambient Thermal Resistance | 42.5°C/W; DDA HSOIC 8-pin package |
| Junction-to-Top Characterization Parameter | 9.9°C/W; DDA HSOIC 8-pin package |
| Junction-to-Board Characterization Parameter | 25.4°C/W; DDA HSOIC 8-pin package |
| Junction-to-Case Top Thermal Resistance | 56.1°C/W; DDA HSOIC 8-pin package |
| Junction-to-Case Bottom Thermal Resistance | 3.8°C/W; DDA HSOIC 8-pin package |
| Junction-to-Board Thermal Resistance | 25.5°C/W; DDA HSOIC 8-pin package |
| VIN and EN Absolute Maximum Voltage | -0.3 V to 65 V; to GND |
| BOOT Absolute Maximum Voltage | -0.3 V to 71 V; BOOT to GND |
| SW Absolute Maximum Voltage | -3 V to 65 V; SW to GND |
| BOOT-to-SW Absolute Maximum Voltage | 6.5 V max; BOOT to SW |
| Storage Temperature | -65°C to 150°C; absolute maximum rating |
| Junction Temperature Absolute Maximum | -40°C to 150°C; absolute maximum rating |
| ESD Rating HBM | ±2000 V; human-body model |
| ESD Rating CDM | ±500 V; charged-device model |
| Datasheet Status | request_only |
Product Overview
The converter uses a high-side MOSFET with 155 mΩ typical on-resistance at VIN = 12 V and BOOT-to-SW = 5.8 V. Current limit is specified at 3.80 A minimum, 4.75 A typical, and 5.70 A maximum under VIN = 12 V, TA = 25°C, open-loop conditions. Feedback regulation is centered at 0.750 V, with separate tolerances at TJ = 25°C and across -40°C to 125°C.
Key Features
- 4.3-60 V recommended input voltage range
- 3 A continuous output current capability
- 0.8-50 V recommended output voltage range
- 40 µA operating quiescent current at TA = 25°C
- 1.0 µA typical shutdown supply current
- 200-2500 kHz RT-mode switching frequency range
- 250-2300 kHz SYNC-mode switching frequency range
- 0.750 V typical feedback voltage reference
- VIN pin UVLO with 4.0 V typical threshold
- Power-good and power-bad feedback voltage thresholds
- 170°C typical thermal shutdown threshold
- 8-pin HSOIC DDA PowerPAD package
Typical Applications
- Step-down voltage regulation
- 4.3-60 V input rails
- 0.8-50 V output rails
- 3 A DC converter designs
- Synchronized switching power supplies
- Power-good monitored rails
- Enable-controlled power rails
- Thermally managed power boards
Procurement Notes
When requesting a quote for LMR16030, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What input voltage range does the LMR16030 support?
The LMR16030 is specified for a recommended operating input voltage range of 4.3-60 V. Absolute maximum ratings list VIN and EN from -0.3 V to 65 V to GND.
What output current is specified for the LMR16030?
The device feature list specifies 3 A continuous output current. The current limit is specified as 3.80 A minimum, 4.75 A typical, and 5.70 A maximum at VIN = 12 V and TA = 25°C in open loop.
What package is used for the LMR16030?
The package is an 8-pin HSOIC DDA with PowerPAD and a 4.89 mm x 3.90 mm nominal body. Thermal data for this package includes 42.5°C/W junction-to-ambient thermal resistance.
What switching frequency ranges are available?
RT mode supports a 200-2500 kHz switching frequency range, while SYNC mode supports 250-2300 kHz. With RT = 11.5 kΩ, switching frequency is specified as 1758 kHz minimum, 1912 kHz typical, and 2066 kHz maximum.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.