Specifications
| Type | Description |
|---|---|
| Part Number | TPS61089 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Component Type | Power_IC |
| Package Case | 11-pin VQFN HotRod RNR, 2.00 mm x 2.50 mm body |
| Input voltage range | 2.7 to 12 V; Recommended operating condition; source page 1 |
| Output voltage range | 4.5 to 12.6 V; Recommended operating condition; source page 1 |
| Efficiency | up to 90%; VIN=3.3 V, VOUT=9 V, IOUT=2 A; source page 1 |
| Continuous switch current capability | 7 A; Device description; source page 1 |
| Peak current limit adjustment range | up to 10 A; Resistor-programmable peak current limit; source page 1 |
| Switching frequency adjustment range | 200 kHz to 2.2 MHz; PWM mode; source page 1 |
| Soft start time | 4 ms; Built-in soft start; source page 1 |
| Light-load operating mode | PFM; TPS61089; source page 3 |
| Light-load operating mode | Forced PWM; TPS610891RNR; source page 3 |
| Output overvoltage protection | 13.2 V; Internal protection threshold nominal; source page 1 |
| Main power switch on-resistance | 19 mOhm; Integrated low-side/main switch, description; source page 1 |
| Rectifier switch on-resistance | 27 mOhm; Integrated high-side/rectifier switch, description; source page 1 |
| Package | VQFN (11), 2.00 mm x 2.50 mm; Device information table; source page 1 |
| FSW pin function | Switching frequency programmed by resistor between FSW and SW; Pin 1; source page 4 |
| VCC pin function | Internal regulator output; requires ceramic capacitor >1.0 uF to ground; Pin 2; source page 4 |
| FB pin function | Output voltage feedback; Pin 3; source page 4 |
| COMP pin function | Internal error amplifier output; compensation network to GND; Pin 4; source page 4 |
| GND pin function | Ground; Pin 5; source page 4 |
| VOUT pin function | Boost converter output; Pin 6; source page 4 |
| EN pin function | Logic high enables device; logic low disables and enters shutdown; Pin 7; source page 4 |
| ILIM pin function | Adjustable switching peak current limit set by external resistor to GND; Pin 8; source page 4 |
| VIN pin function | IC power supply input; Pin 9; source page 4 |
| BOOT pin function | High-side MOSFET gate driver supply; capacitor required between BOOT and SW; Pin 10; source page 4 |
| SW pin function | Converter switching node connected to internal MOSFETs; Pin 11; source page 4 |
| BOOT terminal absolute maximum voltage | -0.3 V to SW + 7 V; Absolute maximum rating, with respect to ground; source page 5 |
| VIN/SW/FSW/VOUT terminal absolute maximum voltage | -0.3 to 14.5 V; Absolute maximum rating, with respect to ground; source page 5 |
| EN/VCC/COMP terminal absolute maximum voltage | -0.3 to 7 V; Absolute maximum rating, with respect to ground; source page 5 |
| ILIM/FB terminal absolute maximum voltage | -0.3 to 3.6 V; Absolute maximum rating, with respect to ground; source page 5 |
| Operating junction temperature absolute maximum | -40 to 150 °C; Absolute maximum rating; source page 5 |
| Storage temperature | -65 to 150 °C; Absolute maximum rating; source page 5 |
| ESD rating HBM | ±2000 V; ANSI/ESDA/JEDEC JS-001, all pins; source page 5 |
| ESD rating CDM | ±500 V; JEDEC JESD22-C101, all pins; source page 5 |
| Recommended input voltage | Min 2.7 V, Max 12 V; Over operating free-air temperature range; source page 5 |
| Recommended output voltage | Min 4.5 V, Max 12.6 V; Over operating free-air temperature range; source page 5 |
| Recommended inductance effective value | Min 0.47 uH, Nom 2.2 uH, Max 10 uH; Over operating free-air temperature range; source page 5 |
| Recommended input capacitance effective value | 10 uF; Over operating free-air temperature range; source page 5 |
| Recommended output capacitance effective value | Min 10 uF, Nom 47 uF, Max 1000 uF; Over operating free-air temperature range; source page 5 |
| Recommended operating junction temperature | -40 to 125 °C; Over operating free-air temperature range; source page 5 |
| Junction-to-ambient thermal resistance | 53.4 °C/W; RNR VQFN, 11 pins; source page 5 |
| Junction-to-case top thermal resistance | 59.2 °C/W; RNR VQFN, 11 pins; source page 5 |
| Junction-to-board thermal resistance | 9.6 °C/W; RNR VQFN, 11 pins; source page 5 |
| Junction-to-top characterization parameter | 0.5 °C/W; RNR VQFN, 11 pins; source page 5 |
| Junction-to-board characterization parameter | 9.5 °C/W; RNR VQFN, 11 pins; source page 5 |
| Junction-to-case bottom thermal resistance | 0.7 °C/W; RNR VQFN, 11 pins; source page 5 |
| Junction-to-ambient thermal resistance on EVM | 39.2 °C/W; 4-layer 76 mm x 52 mm PCB, 2 oz top/bottom copper, 1 oz inner copper; source page 5 |
| Electrical input voltage range | Min 2.7 V, Max 12 V; VIN=2.7 V to 5.5 V, VOUT=9 V, TJ=-40°C to 125°C; source page 6 |
| Input UVLO threshold rising | 2.7 V; VIN rising; source page 6 |
| Input UVLO threshold falling | Min 2.4 V, Typ 2.5 V; VIN falling; source page 6 |
| VIN UVLO hysteresis | 200 mV; Electrical characteristic; source page 6 |
| VCC regulation voltage | 5.8 V; ICC=2 mA, VIN=8 V; source page 6 |
| VCC UVLO threshold | 2.1 V; VCC falling; source page 6 |
| Quiescent current into VIN pin | Typ 1 uA, Max 3 uA; IC enabled, no load, VIN=2.7 V to 5.5 V, VFB=1.3 V, VOUT=12 V, TJ<=85°C; source page 6 |
| Quiescent current into VOUT pin | Typ 100 uA, Max 180 uA; IC enabled, no load, VIN=2.7 V to 5.5 V, VFB=1.3 V, VOUT=12 V, TJ<=85°C; source page 6 |
| Shutdown current into VIN pin | Typ 1 uA, Max 3 uA; IC disabled, VIN=2.7 V to 5.5 V, TJ<=85°C; source page 6 |
| Electrical output voltage range | Min 4.5 V, Max 12.6 V; Electrical characteristics; source page 6 |
| FB reference voltage | Min 1.188 V, Typ 1.212 V, Max 1.236 V; PWM mode; source page 6 |
| FB reference voltage | 1.224 V; PFM mode; source page 6 |
| FB leakage current | 100 nA; VFB=1.2 V; source page 6 |
| Output overvoltage protection threshold | Min 12.7 V, Typ 13.2 V, Max 13.6 V; VOUT rising; source page 6 |
| Output overvoltage protection hysteresis | 0.25 V; VOUT falling below VOVP; source page 6 |
| Soft startup time | Min 2 ms, Typ 4 ms, Max 6 ms; COUT effective=47 uF, IOUT=0 A; source page 6 |
| COMP sink current | 20 uA; VFB=VREF+200 mV, VCOMP=1.9 V; source page 6 |
| COMP source current | 20 uA; VFB=VREF-200 mV, VCOMP=1.9 V; source page 6 |
| COMP high clamp voltage | 2.3 V; VFB=1 V, RILIM=127 kOhm; source page 6 |
| COMP low clamp voltage | 1.4 V; VFB=1.4 V, RILIM=127 kOhm; source page 6 |
| Error amplifier transconductance | 190 uS; VCOMP=1.9 V; source page 6 |
| High-side MOSFET on-resistance | Typ 27 mOhm, Max 44 mOhm; VCC=6 V; source page 6 |
| Low-side MOSFET on-resistance | Typ 19 mOhm, Max 31 mOhm; VCC=6 V; source page 6 |
| Switching frequency | 500 kHz; RFSW=301 kOhm; source page 6 |
| Switching frequency | 2000 kHz; RFSW=46.4 kOhm; source page 6 |
| Minimum on time | Typ 90 ns, Max 180 ns; VCC=6 V; source page 6 |
| Peak switch current limit | Min 7.3 A, Typ 8.1 A, Max 8.9 A; TPS61089, RILIM=127 kOhm; source page 6 |
| Peak switch current limit | Min 9.0 A, Typ 10 A, Max 11 A; TPS61089, RILIM=100 kOhm; source page 6 |
| ILIM internal reference voltage | 1.212 V; ILIM pin; source page 6 |
| EN logic high threshold | 1.2 V; Enable input; source page 6 |
| EN logic low threshold | 0.4 V; Enable input; source page 6 |
| EN pulldown resistor | 800 kOhm; Enable input; source page 6 |
| Thermal shutdown threshold | 150 °C; TJ rising; source page 6 |
| Thermal shutdown hysteresis | 20 °C; TJ falling below TSD; source page 6 |
| Datasheet Status | request_only |
Product Overview
The TPS61089 is a Texas Instruments synchronous boost converter for Power_Management designs requiring step-up conversion from a 2.7 V to 12 V recommended input range to a 4.5 V to 12.6 V recommended output range. The device integrates a low-side/main switch with 19 mOhm on-resistance and a high-side/rectifier switch with 27 mOhm on-resistance, supporting 7 A continuous switch current capability.
Switching frequency is resistor-programmable from 200 kHz to 2.2 MHz in PWM mode through the FSW pin. Peak switch current limit is also externally adjustable through the ILIM pin, with extracted operating points including 8.1 A typical at RILIM=127 kOhm and 10 A typical at RILIM=100 kOhm. Built-in soft startup is typically 4 ms, and output overvoltage protection is nominally 13.2 V.
The device is supplied in an 11-pin VQFN HotRod RNR package with a 2.00 mm x 2.50 mm body. Pin functions include VIN supply input, VOUT boost output, SW switching node, FB output feedback, COMP compensation, EN enable/shutdown control, BOOT high-side driver supply, VCC internal regulator output, ILIM current-limit programming, FSW frequency programming, and GND.
Key Features
- 2.7 V to 12 V recommended input range
- 4.5 V to 12.6 V recommended output range
- Up to 90% efficiency at 3.3 V to 9 V conversion
- 7 A continuous switch current capability
- Resistor-programmable peak current limit up to 10 A
- 200 kHz to 2.2 MHz adjustable PWM switching frequency
- Built-in 4 ms typical soft start
- 13.2 V nominal output overvoltage protection
- 19 mOhm low-side and 27 mOhm high-side switches
- PFM light-load mode for TPS61089
Typical Applications
- Regulated boost converter rails
- 2.7 V to 12 V input systems
- 4.5 V to 12.6 V output rails
- High-current step-up conversion
- Adjustable-frequency PWM power stages
- PFM light-load boost designs
- Enable-controlled shutdown power rails
- Compact VQFN power assemblies
Procurement Notes
When requesting a quote for TPS61089, 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 TPS61089 support?
TPS61089 supports a recommended input voltage range of 2.7 V to 12 V and a recommended output voltage range of 4.5 V to 12.6 V. The electrical characteristics also list these same input and output voltage ranges.
How is TPS61089 switching frequency programmed?
The switching frequency is programmed with a resistor between the FSW and SW pins. The PWM-mode adjustment range is 200 kHz to 2.2 MHz, with extracted examples of 500 kHz at RFSW=301 kOhm and 2000 kHz at RFSW=46.4 kOhm.
What package is used for TPS61089?
TPS61089 is listed in a VQFN (11) package with a 2.00 mm x 2.50 mm body. The package case is described as an 11-pin VQFN HotRod RNR package.
What protection thresholds are specified for TPS61089?
The output overvoltage protection threshold is 13.2 V nominal, with a listed range of 12.7 V minimum to 13.6 V maximum on VOUT rising. Thermal shutdown is specified at 150 °C with 20 °C hysteresis.
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.