TPS62840YBG
Step-Down ConverterThe TPS62840YBG is a step-down converter from Texas Instruments. View the full TPS62840YBG datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
TPS62840YBG shares its datasheet with TPS62840, whose page lists every part number it covers.
Official TPS62840YBG datasheet (PDF) — the source this page was extracted from.
Manufacturer
Texas InstrumentsCategory
Switching Regulators (Buck)TPS62840YBG Key Specifications
| Parameter | Value |
|---|---|
| Operating quiescent current (IQ) | 60 nA (typical) |
| 100% duty-cycle mode IQ | 120 nA |
| Shutdown current | 25 nA |
| Output current | 750 mA (max) |
| Efficiency | 80% at 1 μA IOUT (3.6 VIN to 1.8 VOUT) |
| Switching frequency | 1.8 MHz (typical) |
| Output voltage selection | 16 selectable voltages via VSET pin |
TPS62840YBG Overview
Part: TPS62840 — Texas Instruments
Type: Step-Down Converter
Description: A high-efficiency step-down converter with an ultra-low operating quiescent current of 60 nA, supporting an input voltage range of 1.8 V to 6.5 V and providing up to 750 mA output current.
Operating Conditions:
- Supply voltage: 1.8 V to 6.5 V
- Operating temperature: -40 to +125 °C
- Output current: up to 750 mA
Absolute Maximum Ratings:
- Max supply voltage: 7 V
- Max junction/storage temperature: 150 °C
Key Specs:
- Operating quiescent current (IQ): 60 nA (typical)
- 100% duty-cycle mode IQ: 120 nA
- Shutdown current: 25 nA
- Output current: 750 mA (max)
- Efficiency: 80% at 1 μA IOUT (3.6 VIN to 1.8 VOUT)
- Switching frequency: 1.8 MHz (typical)
- Output voltage selection: 16 selectable voltages via VSET pin
Features:
- 60-nA operating quiescent current
- 100% duty-cycle mode with 120-nA IQ
- RF friendly DCS-Control™
- 16 selectable output voltages via VSET pin
- Auto transition PFM/PWM or forced-PWM mode
- Selectable forced PWM and STOP modes
- Output discharge function
Applications:
- Smart meters, smart thermostats
- Asset tracking devices
- Wearable electronics
- Medical sensor patches and patient monitors
- Industrial IoT (smart sensors) / NB-IoT
- Test and measurement
- ATEX / intrinsic safety
Package:
- SON-8 (DLC)
- WCSP-6 (YBG)
- HVSSOP-8 (DGR)
TPS62840YBG Features
- 1 · 60-nA operating quiescent current
- 100% duty-cycle mode with 120-nA IQ
- Input voltage range VIN from 1.8 V to 6.5 V
- Output current up to 750 mA
- RF friendly DCS-Control™
- 80% efficiency at 1 μA IOUT (3.6 VIN to 1.8 VOUT)
- 16 selectable output voltages via VSET pin
- Auto transition PFM/PWM or forced-PWM mode
- Selectable forced PWM and STOP modes
- Output discharge function
- 25-nA shutdown current
- SON-8, WCSP-6 and thermally enhanced HVSSOP-8 packages
TPS62840YBG Applications
- Smart meters, smart thermostats
- Asset tracking devices
- Wearable electronics
- Medical sensor patches and patient monitors
- Industrial IoT (smart sensors) / NB-IoT
- Test and measurement
- ATEX / intrinsic safety
TPS62840YBG Pin Configuration
TPS62840YBG Electrical Characteristics
VIN = 3.6 V, TJ = -40°C to 125°C, STOP = GND, MODE = GND, typical values are at TJ = 25°C (unless otherwise noted)
| PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|
| SUPPLY | SUPPLY | SUPPLY | SUPPLY | SUPPLY | SUPPLY | SUPPLY |
| I Q_NO_LOAD | No load operating input current | EN = V IN , I OUT = 0μA, V OUT = 1.8V device switching | 60 | nA | ||
| I Q_NO_LOAD | No load operating input current | EN = V IN, I OUT = 0μA, V OUT = 1.2V device switching | 80 | nA | ||
| I Q_NO_LOAD | No load operating input current (PWM Mode) | EN = V IN , I OUT = 0μA, V OUT = 1.8V, MODE = V IN device switching | 3 | mA | ||
| I Q_VIN | Operating quiescent current into pin VIN | EN = V IN , I OUT = 0μA, V OUT = 1.55V or V OUT = 1.8V device not switching, T J = 25°C (DLC package option) | 36 | 100 | nA | |
| I Q_VOS | Operating quiescent current into pin VOS | EN = V IN , I OUT = 0μA, V OUT = 1.55V or V OUT = 1.8V device not switching, T J = 25°C (DLC package option) | 56 | 120 | nA | |
| I Q_VIN | Operating quiescent current into pin VIN | EN = V IN , I OUT = 0μA, V OUT = 1.55V or V OUT = 1.8V device not switching, T J = -40°C to 85°C | 36 | 360 | nA | |
| I Q_VOS | Operating quiescent current into pin VOS | EN = V IN , I OUT = 0μA, V OUT = 1.55V or V OUT = 1.8V device not switching, T J = -40°C to 85°C | 56 | 170 | nA | |
| I Q_VOS | Operating quiescent current into VOS pin | EN = V IN , V OUT = 3.3V device not switching | 70 | nA | ||
| I Q_VOS | Operating quiescent current into VOS pin | EN = V IN , V OUT < 1.5 V device not switching | 5 | nA | ||
| I Q_VOS | Operating quiescent current into VOS pin | EN, STOP = V IN , 3V < V OUT < 3.3V T J = -40°C to 85°C | 5 | 100 | nA | |
| I Q_100%_MODE | Operating quiescent current 100% Mode | V IN = V OUT = 3.3V, T J = -40°C to 85°C | 120 | nA | ||
| I Q_VIN_STOP | Operating quiescent current into pin VIN | STOP = High, V OUT = 1.8V, T J = -40°C to 85°C | 70 | 175 | μA | |
| I SD | Shutdown current | EN = GND, shutdown current into V IN VSET = GND, T J = -40°C to 85°C | 25 | 300 | nA | |
| V TH_UVLO+ | Undervoltage lockout threshold | Rising V IN | 1.72 | 1.8 | V | |
| V TH_UVLO- | Falling V IN | 1.45 | 1.75 | V | ||
| EN, MODE, STOP INPUTS | EN, MODE, STOP INPUTS | EN, MODE, STOP INPUTS | EN, MODE, STOP INPUTS | EN, MODE, STOP INPUTS | EN, MODE, STOP INPUTS | EN, MODE, STOP INPUTS |
| V IH_TH | High level input voltage | 1.1 | V | |||
| V IL_TH | Low level input voltage | 0.4 | V | |||
| I IN | Input bias current | MODE input, T J = -40°C to 85°C | 1 | 25 | nA | |
| R PD | Internal pull-down resistance | EN, STOP inputs | 200 | 450 | k Ω |
TPS62840YBG Absolute Maximum Ratings
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| VIN | -0.3 | 7 | V | |
| SW (DC) | -0.3 | V IN + 0.3 | V | |
| SW (AC), less than 10ns (3) | -2 | 8.5 | V | |
| EN, MODE, STOP | -0.3 | 6.5 | V | |
| VSET | -0.3 | V IN + 0.3 < 3.6 | V | |
| VOS | -0.3 | 3.7 | V | |
| Operating junction temperature, T J | Operating junction temperature, T J | -40 | 150 | °C |
| Storage temperature, T stg | Storage temperature, T stg | -65 | 150 | °C |
TPS62840YBG Recommended Operating Conditions
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V IN | Supply voltage V IN | 1.8 | 6.5 | V | |
| L | Effective inductance | 1.51 | 2.2 | 2.9 | μH |
| C OUT | Effective output capacitance | 3 | 10 | 40 | μF |
| C IN | Effective input capacitance | 1 | 4.7 | μF | |
| C VSET | External parasitic capacitance at VSET pin | 100 | pF | ||
| R SET | Nominal resistance range for external voltage selection resistor (E96 resistor series) External voltage selection resistor tolerance | 0.909 | 267 1% | k Ω | |
| External voltage selection resistor temperature coefficient | ±200 | ppm/°C | |||
| T J | Operating junction temperature range | -40 | 125 | °C |
TPS62840YBG Thermal Information
| THERMAL METRIC (1) | THERMAL METRIC (1) | 8 Pins DLC Package | 6 Pins YBG Package | 8 Pins DGR Package | DGR EVM | UNIT |
|---|---|---|---|---|---|---|
| JEDEC PCB 51-7 | JEDEC PCB 51-7 | JEDEC PCB 51-5 | TPS62841-2EVM123 | |||
| R θ JA | Junction-to-ambient thermal resistance | 105.6 | 133.4 | 54.4 | 46.9 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 75.7 | 0.4 | 58.1 | N/A | °C/W |
| R θ JB | Junction-to-board thermal resistance | 31.9 | 39.4 | 25.9 | N/A | °C/W |
| ψ JT | Junction-to-top characterization parameter | 2.3 | 0.1 | 1.2 | 0.9 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 31.5 | 39.4 | 25.9 | 17.4 | °C/W |
| R θ JC(bot) | Junction-to-case (bottom) thermal resistance | n/a | n/a | 11.7 | N/A | °C/W |
TPS62840YBG Typical Application
1
TPS62840
SLVSEC6D -JUNE 2019-REVISED MARCH 2020
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All Switching Regulators (Buck) datasheetsAll Texas Instruments datasheets (2,442)
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