Specifications
| Type | Description |
|---|---|
| Part Number | TPS61023 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Component Type | Power_IC |
| Package / Case | SOT563 (DRL), 6-pin, 1.20 mm × 1.60 mm body |
| Input Voltage Range | 0.5 to 5.5 V; recommended operating condition |
| Minimum Input Voltage for Start-up | 1.8 V; feature summary |
| Output Voltage Setting Range | 2.2 to 5.5 V; recommended operating condition |
| Valley Switching Current Limit | 3.7 A typ; feature summary; over full temperature range described as typical |
| Low-Side MOSFET On Resistance | 47 mΩ typ; VOUT = 5.0 V |
| High-Side MOSFET On Resistance | 68 mΩ typ; VOUT = 5.0 V |
| Efficiency | 94%; VIN = 3.6 V, VOUT = 5 V, IOUT = 1.5 A |
| Switching Frequency | 1.0 MHz typ; VIN = 3.6 V, VOUT = 5.0 V, PWM mode |
| Switching Frequency | 0.5 MHz typ; VIN = 1.0 V, VOUT = 5.0 V, PWM mode |
| Shutdown Current into VIN and SW | 0.1 μA typ, 0.2 μA max; IC disabled, VIN = VSW = 3.6 V, TJ = 25°C |
| Reference Voltage Accuracy | ±2.5%; over -40°C to +125°C |
| Reference Voltage at FB Pin | 580 mV min, 595 mV typ, 610 mV max; PWM mode |
| Reference Voltage at FB Pin | 585 mV min, 601 mV typ; PFM mode |
| Output Overvoltage Protection Threshold | 5.5 V min, 5.7 V typ, 6.0 V max; VOUT rising |
| Overvoltage Protection Hysteresis | 0.1 V typ; output overvoltage protection |
| VIN Undervoltage Lockout Threshold | 1.7 V min, 1.8 V typ; VIN rising |
| VIN Undervoltage Lockout Threshold | 0.4 V min, 0.5 V typ; VIN falling |
| Quiescent Current into VIN Pin | 0.9 μA typ, 3.0 μA max; IC enabled, no load, no switching, VIN = 1.8 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C |
| Quiescent Current into VOUT Pin | 20 μA typ, 30 μA max; IC enabled, no load, no switching, VOUT = 2.2 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C |
| FB Pin Leakage Current | 4 nA typ, 20 nA max; TJ = 25°C |
| FB Pin Leakage Current | 6 nA typ; TJ = 125°C |
| VOUT Pin Leakage Current | 1 μA typ, 3 μA max; IC disabled, VIN = 0 V, VSW = 0 V, VOUT = 5.5 V, TJ = 25°C |
| Soft Start-up Time | 700 μs typ; from active EN to VOUT regulation, VIN = 2.5 V, VOUT = 5.0 V, COUT_EFF = 10 μF, IOUT = 0 |
| Minimum On Time | 40 ns min, 96 ns typ, 130 ns max; power switch timing |
| Minimum Off Time | 80 ns min, 120 ns typ; power switch timing |
| Valley Current Limit | 2.7 A min, 3.7 A typ; VIN = 3.6 V, VOUT = 5.0 V |
| Pre-charge Current | 200 mA min, 350 mA typ; VIN = 1.8 V to 5.5 V, VOUT < 0.4 V |
| Pre-charge Current | 750 mA min, 1200 mA typ; VIN = 2.4 V, VOUT = 2.15 V |
| EN Logic High Threshold | 1.2 V min; VIN > 1.8 V or VOUT > 2.2 V |
| EN Logic Low Threshold | 0.35 V min, 0.42 V typ, 0.45 V max; VIN > 1.8 V or VOUT > 2.2 V |
| Thermal Shutdown Threshold | 150°C typ; TJ rising |
| Thermal Shutdown Hysteresis | 20°C typ; TJ falling below thermal shutdown threshold |
| Effective Inductance Range | 0.37 μH min, 1.0 μH nom, 2.9 μH max; recommended operating condition |
| Effective Input Capacitance Range | 1.0 μF min, 4.7 μF nom; recommended operating condition |
| Effective Output Capacitance Range | 4 μF min, 10 μF nom, 1000 μF max; recommended operating condition |
| Operating Junction Temperature | -40°C to 125°C; recommended operating condition |
| Absolute Maximum Terminal Voltage | -0.3 to 7 V; VIN, EN, FB, SW, VOUT pins; over operating free-air temperature range |
| Absolute Maximum SW Spike Voltage | -0.7 to 8 V; SW spike at 10 ns |
| Absolute Maximum SW Spike Voltage | -0.7 to 9 V; SW spike at 1 ns |
| Absolute Maximum Operating Junction Temperature | -40°C to 150°C; absolute maximum rating |
| Storage Temperature | -65°C to 150°C; absolute maximum rating |
| ESD Rating, Human-Body Model | ±2000 V; per ANSI/ESDA/JEDEC JS-001 |
| ESD Rating, Charged-Device Model | ±500 V; per JEDEC JESD22-C101 |
| Junction-to-Ambient Thermal Resistance | 142.7°C/W; DRL SOT563 6-pin package |
| Junction-to-Ambient Thermal Resistance | 91.4°C/W; DRL SOT563 6-pin package, standard EVM, TPS61023EVM 4-layer 2 oz copper 50 mm × 38 mm PCB |
| Junction-to-Case Thermal Resistance | 55.7°C/W; DRL SOT563 6-pin package |
| Junction-to-Board Thermal Resistance | 31.0°C/W; DRL SOT563 6-pin package |
| Junction-to-Top Characterization Parameter | 1.4°C/W; DRL SOT563 6-pin package |
| Junction-to-Top Characterization Parameter | 5.3°C/W; DRL SOT563 6-pin package, standard EVM |
| Junction-to-Board Characterization Parameter | 30.7°C/W; DRL SOT563 6-pin package |
| Junction-to-Board Characterization Parameter | 38.1°C/W; DRL SOT563 6-pin package, standard EVM |
| Shutdown Isolation | True disconnection between input and output; during shutdown |
| Pass-through Mode | Supported; when VIN > VOUT |
| Light Load Mode | Auto PFM operation; at light load |
| Output Short-Circuit Protection | Supported; protection feature |
| Pin 1 Function | FB, input; voltage feedback of adjustable output voltage |
| Pin 2 Function | EN, input; logic high enables device; logic low disables device and enters shutdown mode |
| Pin 3 Function | VIN, input; IC power supply input |
| Pin 4 Function | GND, power; ground pin of IC |
| Pin 5 Function | SW, power; connected to drain of internal low-side MOSFET and source of internal high-side MOSFET |
| Pin 6 Function | VOUT, power; boost converter output |
| Datasheet Status | request_only |
Product Overview
TPS61023 is a Texas Instruments synchronous boost converter for Power_Management designs requiring an adjustable boosted output. The device operates over a recommended 0.5 to 5.5 V input range after start-up, starts from 1.8 V, and sets output voltage from 2.2 to 5.5 V. Its feedback reference is specified at 595 mV typical in PWM mode and 601 mV typical in PFM mode.
Power-stage data includes 47 mΩ typical low-side MOSFET resistance and 68 mΩ typical high-side MOSFET resistance at VOUT = 5.0 V. The converter provides a 3.7 A typical valley current limit, 94% efficiency at VIN = 3.6 V, VOUT = 5 V, IOUT = 1.5 A, and PWM switching frequency options characterized at 1.0 MHz typical for VIN = 3.6 V and 0.5 MHz typical for VIN = 1.0 V.
The device is supplied in a SOT563 (DRL), 6-pin, 1.20 mm × 1.60 mm body package. Recommended external ranges include 0.37 to 2.9 μH effective inductance, 1.0 μF minimum effective input capacitance, and 4 μF to 1000 μF effective output capacitance. Protection and operating functions include true shutdown isolation, pass-through mode when VIN > VOUT, auto PFM at light load, output short-circuit protection, overvoltage protection, UVLO, and thermal shutdown.
Key Features
- 0.5 to 5.5 V recommended input range
- 1.8 V minimum input voltage for start-up
- 2.2 to 5.5 V output setting range
- 3.7 A typical valley switching current limit
- 94% efficiency at 3.6 V input, 5 V output
- 1.0 MHz typical PWM switching at 3.6 V input
- 0.1 μA typical shutdown current into VIN and SW
- True input-to-output disconnection during shutdown
- Auto PFM operation at light load
- Pass-through mode supported when VIN exceeds VOUT
- Output short-circuit protection supported
- SOT563 6-pin 1.20 mm × 1.60 mm package
Typical Applications
- Low-voltage input boost rails
- Adjustable 2.2 to 5.5 V outputs
- Light-load auto PFM power stages
- Pass-through boost converter rails
- Shutdown-isolated power paths
- Compact SOT563 power designs
- Output short-circuit protected supplies
Procurement Notes
When requesting a quote for TPS61023, 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 type of power device is TPS61023?
TPS61023 is a Texas Instruments synchronous boost converter in the Power_Management category. It is supplied in a SOT563 (DRL), 6-pin package with a 1.20 mm × 1.60 mm body.
What input and output voltage ranges does TPS61023 support?
The recommended input voltage range is 0.5 to 5.5 V, with 1.8 V minimum input voltage for start-up. The output voltage setting range is 2.2 to 5.5 V.
What efficiency and switching frequency are specified for TPS61023?
The datasheet facts list 94% efficiency at VIN = 3.6 V, VOUT = 5 V, and IOUT = 1.5 A. PWM switching frequency is 1.0 MHz typical at VIN = 3.6 V and 0.5 MHz typical at VIN = 1.0 V.
What protection functions are included in TPS61023?
TPS61023 supports output short-circuit protection, output overvoltage protection with a 5.7 V typical rising threshold, VIN undervoltage lockout, and thermal shutdown at 150°C typical with 20°C typical hysteresis.
What external component ranges are recommended for TPS61023?
Recommended external ranges include 0.37 μH to 2.9 μH effective inductance, 1.0 μF minimum effective input capacitance with 4.7 μF nominal, and 4 μF to 1000 μF effective output capacitance with 10 μF nominal.
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.