Specifications
| Type | Description |
|---|---|
| Part Number | TPS82085 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | 8-pin µSiL package, 2.8 mm x 3.0 mm x 1.3 mm |
| Output Current | 3 A; TPS82085 device |
| Input Voltage Range | 2.5-6 V; recommended operating range |
| Output Voltage Range | 0.8 V to VIN; adjustable output voltage |
| Operating Temperature Range | -40 to 125 °C; module operating temperature range |
| Maximum Efficiency | up to 95%; device feature |
| Quiescent Current | 17 µA typ, 25 µA max; no load, device not switching, TJ=-40°C to 85°C, VIN=2.5 V to 5.5 V |
| Shutdown Current | 0.7 µA typ, 5 µA max; EN=Low, TJ=-40°C to 85°C, VIN=2.5 V to 5.5 V |
| Undervoltage Lockout Threshold | 2.1 V min, 2.2 V typ, 2.3 V max; VIN falling |
| Undervoltage Lockout Threshold | 2.3 V min, 2.4 V typ, 2.5 V max; VIN rising |
| Thermal Shutdown Threshold | 150 °C typ; TJ rising |
| Thermal Shutdown Hysteresis | 20 °C typ; TJ falling |
| EN High-Level Input Voltage | 1.0 V min; logic interface EN |
| EN Low-Level Input Voltage | 0.4 V max; logic interface EN |
| EN Input Leakage Current | 0.01 µA typ, 0.16 µA max; EN=High |
| EN Pull-Down Resistance | 400 kΩ typ; EN=Low |
| Soft-Start Time | 0.8 ms typ; time from EN high to 95% of nominal VOUT |
| Power Good Threshold | 93% min, 95% typ, 98% max; VOUT rising, referenced to nominal VOUT |
| Power Good Threshold | 88% min, 90% typ, 93% max; VOUT falling, referenced to nominal VOUT |
| PG Low-Level Output Voltage | 0.4 V max; Isink=1 mA |
| PG Input Leakage Current | 0.01 µA typ, 0.16 µA max; VPG=5 V |
| Feedback Regulation Voltage | 792 mV min, 800 mV typ, 808 mV max; PWM mode |
| Feedback Regulation Voltage | 792 mV min, 800 mV typ, 817 mV max; PSM mode, COUT=22 µF |
| Feedback Input Leakage Current | 0.01 µA typ, 0.1 µA max; VFB=0.8 V |
| Output Discharge Resistor | 260 Ω typ; EN=Low, VOUT=1.8 V |
| Line Regulation | 0.02 %/V typ; IOUT=1 A, VIN=2.5 V to 6 V |
| Load Regulation | 0.16 %/A typ; IOUT=0.5 A to 3 A |
| High-Side FET On-Resistance | 31 mΩ typ, 56 mΩ max; ISW=500 mA |
| Low-Side FET On-Resistance | 23 mΩ typ, 45 mΩ max; ISW=500 mA |
| Dropout Resistance | 69 mΩ typ; 100% mode |
| High-Side FET Switch Current Limit | 3.7 A min, 4.6 A typ, 5.5 A max; TPS82085 |
| PWM Switching Frequency | 2.4 MHz typ; IOUT=1 A |
| Absolute Maximum Pin Voltage | -0.3 to 7 V; EN, PG, VIN, FB, VOUT pins, with respect to ground |
| PG Sink Current | 1.0 mA max; absolute maximum rating |
| Storage Temperature Range | -55 to 125 °C; absolute maximum rating |
| ESD Rating HBM | ±2000 V; human body model, ANSI/ESDA/JEDEC JS-001 |
| ESD Rating CDM | ±1000 V; charged device model, JEDEC JESD22-C101 |
| Power Good Pull-Up Voltage | 6 V max; recommended operating condition |
| Junction-to-Ambient Thermal Resistance | 64.6 °C/W; TPS82084/5SIL, JEDEC 51-5 |
| Junction-to-Case Top Thermal Resistance | 30.1 °C/W; TPS82084/5SIL |
| Junction-to-Board Thermal Resistance | 23.5 °C/W; TPS82084/5SIL |
| Junction-to-Case Bottom Thermal Resistance | 17.2 °C/W; TPS82084/5SIL |
| Datasheet Status | request_only |
Product Overview
The TPS82085 is a Texas Instruments Power_Management step-down converter MicroSiP module intended for regulated DC-DC conversion from a 2.5-6 V input range. It provides 3 A output current with an adjustable output voltage range from 0.8 V to VIN, using an 800 mV typical feedback regulation voltage in PWM mode and PSM mode conditions.
The module is supplied in an 8-pin µSiL package measuring 2.8 mm x 3.0 mm x 1.3 mm. Electrical characteristics include up to 95% efficiency, 2.4 MHz typical PWM switching frequency at 1 A output, 31 mΩ typical high-side FET on-resistance, 23 mΩ typical low-side FET on-resistance, and 69 mΩ typical dropout resistance in 100% mode.
Control and supervision functions include EN input thresholds, 0.8 ms typical soft-start time, power-good rising and falling thresholds, undervoltage lockout on VIN, and thermal shutdown at 150 °C typical with 20 °C typical hysteresis. The module operating temperature range is -40 to 125 °C, with storage rating from -55 to 125 °C.
Key Features
- 3 A output current for TPS82085 device
- 2.5-6 V recommended input voltage range
- Adjustable 0.8 V to VIN output range
- Up to 95% maximum efficiency
- 17 µA typical quiescent current at no load
- 0.7 µA typical shutdown current with EN low
- 2.4 MHz typical PWM switching frequency at 1 A
- 0.8 ms typical soft-start to 95% VOUT
- Power-good thresholds for rising and falling VOUT
- Thermal shutdown at 150 °C typical
Typical Applications
- 2.5-6 V input step-down rails
- 3 A regulated point-of-load supplies
- Adjustable 0.8 V to VIN outputs
- Power rails requiring PG monitoring
- Enable-controlled low shutdown current rails
- Compact 8-pin µSiL power modules
Procurement Notes
When requesting a quote for TPS82085, 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 output current does the TPS82085 support?
The TPS82085 supports 3 A output current. It is specified as a Texas Instruments step-down converter MicroSiP module with a 2.5-6 V recommended input range and adjustable output voltage from 0.8 V to VIN.
What package is used for the TPS82085 module?
The TPS82085 uses an 8-pin µSiL package measuring 2.8 mm x 3.0 mm x 1.3 mm. The package information is part of the extracted module description for this Power_Management device.
What are the TPS82085 power-good threshold levels?
For VOUT rising, the power-good threshold is 93% min, 95% typ, and 98% max of nominal VOUT. For VOUT falling, it is 88% min, 90% typ, and 93% max of nominal VOUT.
What protection thresholds are specified for TPS82085 operation?
The TPS82085 has undervoltage lockout thresholds of 2.1 V min, 2.2 V typ, and 2.3 V max for VIN falling, and 2.3 V min, 2.4 V typ, and 2.5 V max for VIN rising. Thermal shutdown is 150 °C typical.
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.