Specifications
| Type | Description |
|---|---|
| Part Number | TPS61175 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | HTSSOP (14), 5.00 mm x 4.40 mm body, PowerPad |
| Input Voltage Range | 2.9 to 18 V |
| Output Voltage Range | VIN to 38 V |
| Internal Power Switch Current Rating | 3 A |
| Internal Power Switch Voltage Rating | 40 V |
| Switching Frequency Range | 200 to 2200 kHz |
| Maximum Efficiency | Up to 93% |
| Supported Topologies | Boost, SEPIC, flyback |
| Control Method | Current-mode PWM |
| Inductor Range | 4.7 to 47 uH |
| Input Capacitor | 4.7 uF |
| Output Capacitor | 4.7 uF |
| External Synchronization Logic Voltage | 5 V |
| Operating Ambient Temperature | -40 to 85 C |
| Operating Junction Temperature | -40 to 125 C |
| Absolute Maximum VIN Pin Voltage | -0.3 to 20 V |
| Absolute Maximum EN Pin Voltage | -0.3 to 20 V |
| Absolute Maximum FB/FREQ/COMP Pin Voltage | -0.3 to 3 V |
| Absolute Maximum SYNC/SS Pin Voltage | -0.3 to 7 V |
| Absolute Maximum SW Pin Voltage | -0.3 to 40 V |
| Absolute Maximum Operating Junction Temperature | -40 to 150 C |
| Storage Temperature | -65 to 150 C |
| ESD Rating HBM | +/-2000 V |
| ESD Rating CDM | +/-500 V |
| Operating Quiescent Current Into VIN | 3.5 mA typ |
| Shutdown Current | 1.5 uA typ |
| Undervoltage Lockout Threshold | 2.5 V min, 2.7 V typ |
| Undervoltage Lockout Hysteresis | 130 mV typ |
| EN Logic High Voltage | 1.2 V min |
| EN Logic Low Voltage | 0.4 V max |
| SYNC Logic High Voltage | 1.2 V min |
| SYNC Logic Low Voltage | 0.4 V max |
| EN Pulldown Resistor | 400 kOhm min, 800 kOhm typ, 1600 kOhm max |
| Shutdown Delay / SS Discharge | 10 ms typ |
| Feedback Regulation Voltage | 1.204 V min, 1.229 V typ, 1.254 V max |
| Feedback Input Bias Current | 200 nA typ |
| COMP Pin Sink Current | 50 uA typ |
| COMP Pin Source Current | 130 uA typ |
| COMP Pin Clamp Voltage High | 3 V typ |
| COMP Pin Clamp Voltage Low | 0.75 V typ |
| COMP Pin Threshold | 0.95 V typ |
| Error Amplifier Transconductance | 240 umho min, 340 umho typ, 440 umho max |
| Error Amplifier Output Resistance | 10 MOhm typ |
| Error Amplifier Crossover Frequency | 500 kHz typ |
| Oscillator Frequency | 0.16 MHz min, 0.21 MHz typ, 0.26 MHz max |
| Oscillator Frequency | 1.0 MHz min, 1.2 MHz typ, 1.4 MHz max |
| Oscillator Frequency | 1.76 MHz min, 2.2 MHz typ, 2.64 MHz max |
| Maximum Duty Cycle | 89% min, 93% typ |
| FREQ Pin Voltage | 1.229 V typ |
| Minimum On Pulse Width | 60 ns typ |
| N-Channel MOSFET On-Resistance | 0.13 Ohm typ, 0.25 Ohm max |
| N-Channel MOSFET On-Resistance | 0.13 Ohm typ, 0.3 Ohm max |
| N-Channel Leakage Current | 1 uA typ |
| N-Channel MOSFET Current Limit | 3 A min, 3.8 A typ, 5 A max |
| Soft-Start Bias Current | 6 uA typ |
| Thermal Shutdown Threshold | 160 C typ |
| Thermal Shutdown Hysteresis | 15 C typ |
| Junction-to-Ambient Thermal Resistance | 45.2 C/W |
| Junction-to-Case Top Thermal Resistance | 34.9 C/W |
| Junction-to-Board Thermal Resistance | 30.1 C/W |
| Junction-to-Top Characterization Parameter | 1.5 C/W |
| Junction-to-Board Characterization Parameter | 29.9 C/W |
| Junction-to-Case Bottom Thermal Resistance | 5.8 C/W |
| Datasheet Status | request_only |
Product Overview
The recommended input voltage range is 2.9 to 18 V, with output operation from VIN to 38 V. Switching frequency is programmable from 200 to 2200 kHz using an external resistor or external clock. Recommended external components include a 4.7 to 47 uH inductor, 4.7 uF input capacitor, and 4.7 uF output capacitor.
The package is an HTSSOP (14) with a 5.00 mm x 4.40 mm body and PowerPad. Thermal data for the PWP HTSSOP package includes 45.2 C/W junction-to-ambient resistance and 5.8 C/W junction-to-case bottom resistance. Recommended operating ranges include -40 to 85 C ambient temperature and -40 to 125 C junction temperature.
Electrical limits include 1.204 to 1.254 V feedback regulation voltage, 1.2 V minimum logic-high thresholds for EN and SYNC, 0.4 V maximum logic-low thresholds, and 3 A minimum to 5 A maximum MOSFET current limit. These parameters support power-conversion designs using the stated boost, SEPIC, and flyback configurations.
Key Features
- 2.9 to 18 V recommended input range
- VIN to 38 V recommended output range
- 3 A, 40 V integrated internal power switch
- 200 to 2200 kHz programmable switching frequency
- Up to 93% power conversion efficiency
- Supports boost, SEPIC, and flyback topologies
- Current-mode PWM output voltage regulation
- 4.7 to 47 uH recommended inductor range
- 1.204 to 1.254 V feedback regulation voltage
- 3 A minimum to 5 A maximum MOSFET current limit
- HTSSOP-14 PowerPad package with 5.00 mm x 4.40 mm body
- Thermal shutdown at 160 C typical
Typical Applications
- Boost converter power stages
- SEPIC converter power stages
- Flyback converter power stages
- VIN to 38 V output rails
- Externally synchronized switching supplies
- Current-mode PWM power conversion
- HTSSOP PowerPad assemblies
Procurement Notes
When requesting a quote for TPS61175, 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 and output ranges does TPS61175 support?
TPS61175 is specified for a recommended input voltage range of 2.9 to 18 V and an output voltage range from VIN to 38 V. These values are recommended operating conditions from the extracted datasheet facts.
Which converter topologies are supported by TPS61175?
The extracted datasheet facts list boost, SEPIC, and flyback as supported device configuration options. The device uses current-mode PWM control for output voltage regulation.
What package is used for the TPS61175 device?
TPS61175 is provided in an HTSSOP (14) package with a 5.00 mm x 4.40 mm body and PowerPad. Thermal data is given for the PWP HTSSOP 14-pin package.
What switching frequency range is recommended for TPS61175?
The recommended switching frequency range is 200 to 2200 kHz. The extracted facts state that frequency is programmable by an external resistor or by an external clock.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 7, 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.