Specifications
| Type | Description |
|---|---|
| Part Number | TPS60402 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | SOT-23 (DBV), 5 pins, 2.90 mm x 1.60 mm nominal body |
| Function | Unregulated negative output voltage generator / voltage inverter; condition: TPS6040x family description; source page: 1 |
| Input Voltage Range | 1.6 V to 5.5 V; condition: General device description; source page: 1 |
| Recommended Input Voltage Range | 1.8 V min, 5.25 V max; condition: Recommended operating conditions; source page: 4 |
| Supply Voltage Range | 1.8 V min, 5.25 V max; condition: TC = -40°C to 85°C, RL = 5 kOhm; source page: 5 |
| Minimum Supply Voltage | 1.6 V min; condition: TC >= 0°C, RL = 5 kOhm; source page: 5 |
| Maximum Output Current | 60 mA; condition: At OUT / VO; source page: 4 |
| Absolute Maximum Continuous Output Current | 80 mA; condition: Absolute maximum ratings; source page: 4 |
| Output Voltage | VO = -VI; condition: Electrical characteristics; source page: 5 |
| Typical Switching Frequency | 50 kHz; condition: TPS60402 fixed-frequency option; source page: 3 |
| Internal Switching Frequency | 30 kHz min, 50 kHz typ, 70 kHz max; condition: TPS60402; source page: 5 |
| Typical Flying Capacitor | 3.3 uF; condition: TPS60402DBV device comparison table; source page: 3 |
| Input Capacitor | 0 to C(fly) uF; condition: Recommended operating conditions; source page: 4 |
| Flying Capacitor | 1 uF; condition: Recommended operating conditions; source page: 4 |
| Output Capacitor | 1 uF min, 100 uF max; condition: Recommended operating conditions; source page: 4 |
| Output Voltage Ripple | 20 mV p-p; condition: TPS60402, IO = 5 mA, C(fly) = CO = 3.3 uF; source page: 5 |
| Quiescent Current | 120 uA typ, 270 uA max; condition: TPS60402, no-load input current, VI = 5 V; source page: 5 |
| Quiescent Current | 210 uA max; condition: TPS60402, no-load input current, TC <= 60°C, VI = 5 V; source page: 5 |
| Impedance | 12 Ohm typ, 15 Ohm max; condition: TPS60402, 25°C, VI = 5 V, CI = C(fly) = CO = 3.3 uF; source page: 5 |
| Conversion Efficiency | >90% typical; condition: Wide output current range, family description; source page: 1 |
| Operating Junction Temperature | -40°C min, 125°C max; condition: Recommended operating conditions; source page: 4 |
| Maximum Junction Temperature | 150°C; condition: Absolute maximum ratings; source page: 4 |
| Absolute Maximum IN-to-GND Voltage | -0.3 V min, 5.5 V max; condition: Absolute maximum ratings; source page: 4 |
| Absolute Maximum OUT-to-GND Voltage | -5.5 V min, 0.3 V max; condition: Absolute maximum ratings; source page: 4 |
| Absolute Maximum C(FLY-) to GND Voltage | VO - 0.3 V to 0.3 V; condition: Absolute maximum ratings; source page: 4 |
| Absolute Maximum C(FLY+) to GND Voltage | -0.3 V to VI + 0.3 V; condition: Absolute maximum ratings; source page: 4 |
| Storage Temperature Range | -55°C min, 150°C max; condition: Handling ratings; source page: 4 |
| ESD Rating HBM | -1000 V to 1000 V; condition: ANSI/ESDA/JEDEC JS-001, all pins; source page: 4 |
| ESD Rating CDM | -500 V to 500 V; condition: JEDEC JESD22-C101, all pins; source page: 4 |
| Junction-to-Ambient Thermal Resistance | 221.2 °C/W; condition: DBV 5-pin package; source page: 4 |
| Junction-to-Case Top Thermal Resistance | 81.9 °C/W; condition: DBV 5-pin package; source page: 4 |
| Junction-to-Board Thermal Resistance | 39.8 °C/W; condition: DBV 5-pin package; source page: 4 |
| Junction-to-Top Characterization Parameter | 3.3 °C/W; condition: DBV 5-pin package; source page: 4 |
| Junction-to-Board Characterization Parameter | 38.9 °C/W; condition: DBV 5-pin package; source page: 4 |
| Pin 1 Function | OUT, power output with VO = -VI; bypass OUT to GND with output filter capacitor CO; condition: DBV package pin functions; source page: 3 |
| Pin 2 Function | IN, supply input; connect to 1.6 V to 5.5 V supply and bypass to GND with capacitor same value as flying capacitor; condition: DBV package pin functions; source page: 3 |
| Pin 3 Function | CFLY-, negative terminal of flying capacitor C(fly); condition: DBV package pin functions; source page: 3 |
| Pin 4 Function | GND, ground; condition: DBV package pin functions; source page: 3 |
| Pin 5 Function | CFLY+, positive terminal of flying capacitor C(fly); condition: DBV package pin functions; source page: 3 |
| Device Marking | PFMI; condition: TPS60402DBV; source page: 3 |
| Package Order Suffix R | 3000 devices per reel; condition: DBV package taped and reeled order option; source page: 3 |
| Package Order Suffix T | 250 devices per reel; condition: DBV package taped and reeled order option; source page: 3 |
| Datasheet Status | request_only |
Product Overview
TPS60402 is a Texas Instruments charge pump voltage inverter in the TPS6040x family. Its function is unregulated negative output voltage generation, with electrical characteristics specifying VO = -VI. The device accepts a 1.6 V to 5.5 V input supply, while recommended operating conditions specify 1.8 V to 5.25 V operation.
The TPS60402 fixed-frequency option operates at 50 kHz typical switching frequency, with an internal switching frequency range of 30 kHz minimum to 70 kHz maximum. It supports 60 mA output current at OUT/VO, with 80 mA listed as the absolute maximum continuous output current.
External capacitor guidance includes a 1 uF recommended flying capacitor, 1 uF to 100 uF output capacitor range, and an input capacitor from 0 to C(fly). The TPS60402DBV comparison table lists a 3.3 uF typical flying capacitor. The device is packaged in a 5-pin SOT-23 DBV package with OUT, IN, CFLY-, GND, and CFLY+ pins.
Key Features
- Unregulated negative output voltage generator and voltage inverter
- Input voltage range from 1.6 V to 5.5 V
- Recommended input operation from 1.8 V to 5.25 V
- VO output equals negative VI in electrical characteristics
- 60 mA maximum output current at OUT/VO
- 50 kHz typical fixed switching frequency option
- 30 kHz to 70 kHz internal switching frequency range
- 20 mV p-p ripple at 5 mA with 3.3 uF capacitors
- 120 uA typical no-load input current at 5 V
- SOT-23 DBV 5-pin package with PFMI marking
Typical Applications
- Negative voltage rail generation
- Voltage inversion from positive input
- Unregulated negative output supplies
- Low-current OUT/VO power rails
- Charge pump inverter circuits
- SOT-23 power management assemblies
Procurement Notes
When requesting a quote for TPS60402, 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 function does the TPS60402 provide?
TPS60402 is a charge pump voltage inverter for unregulated negative output voltage generation. The datasheet facts specify the family function as a voltage inverter and list the electrical output relationship as VO = -VI.
What input voltage range is specified for TPS60402?
The general device description lists a 1.6 V to 5.5 V input voltage range. Recommended operating conditions specify 1.8 V minimum and 5.25 V maximum for input operation.
What switching frequency does TPS60402 use?
TPS60402 is the fixed-frequency option with a 50 kHz typical switching frequency. Its internal switching frequency is specified as 30 kHz minimum, 50 kHz typical, and 70 kHz maximum.
What external capacitors are listed for TPS60402 operation?
Recommended conditions list a 1 uF flying capacitor, a 1 uF to 100 uF output capacitor range, and an input capacitor from 0 to C(fly). The TPS60402DBV comparison table lists 3.3 uF as the typical flying capacitor.
What package and pin functions are specified?
TPS60402 uses the 5-pin SOT-23 DBV package. Pin functions are OUT, IN, CFLY-, GND, and CFLY+. OUT is the negative power output, IN is the supply input, and CFLY pins connect the flying capacitor.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 25, 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.