TPS7A20
Low-Dropout (LDO) Linear RegulatorThe TPS7A20 is a low-dropout (ldo) linear regulator from Texas Instruments. View the full TPS7A20 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
TPS7A20 shares its datasheet with TPS7A2033DQNR, whose page lists every part number it covers.
Official TPS7A20 datasheet (PDF) — the source this page was extracted from.
TPS7A20 Key Specifications
| Parameter | Value |
|---|---|
| Control Features | Enable |
| Output Current | 300mA |
| Quiescent Current | 15 µA |
| Mounting Type | Surface Mount |
| Number of Regulators | 1 |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Package / Case | 4-XDFN Exposed Pad |
| Protection Features | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| PSRR | 95dB ~ 40dB (100Hz ~ 1MHz) |
| Supplier Device Package | 4-X2SON (1x1) |
| Input Voltage (Max) | 6V |
| Output Voltage | 3.3V |
| Dropout Voltage | 0.14V @ 300mA |
TPS7A20 Overview
Part: TPS7A20 (TPS7A2033DQNR) — Texas Instruments
Type: Low-Dropout (LDO) Linear Regulator
Description: 1.6–6.0 V input, 300 mA ultra-low-noise LDO with 7 μVRMS output noise, 95 dB PSRR at 1 kHz, 6.5 μA typical quiescent current and ±1.5% output accuracy.
Operating Conditions:
- Input supply voltage: 1.6–6.0 V
- Operating junction temperature: -40 to 125 °C
- Output voltage range: 0.8–5.5 V
- Output current: 0–300 mA
- Output capacitor: 1–200 μF (ESR max 100 mΩ)
Absolute Maximum Ratings:
- Max input voltage (VIN): 6.5 V
- Max VEN: 6.5 V
- Max VOUT: lesser of 6.5 V or VIN + 0.3 V
- Max output current: internally limited
- Max operating junction temperature: 150 °C
- Storage temperature: -65 to 150 °C
Key Specs:
- Output voltage tolerance: ±1.5% (VOUT ≥ 1.85 V for DQN/YCJ/YCK; ≥ 2.8 V for DBV), over load, line and temperature
- Quiescent ground current (IOUT = 0 mA, VIN = VEN = 6 V): 6.5 μA typ, 8.5 μA max at TJ = 25 °C; 15 μA max over -40 to 125 °C
- Shutdown current (VEN = 0 V, VIN = 6 V, TJ = 25 °C): 0.07 μA typ, 0.2 μA max
- Dropout at 300 mA: 140 mV max for 2.5 V ≤ VOUT < 5.5 V (145 mV for DBV)
- Output current limit: 360 mA min, 520 mA typ; short-circuit current typ 160 mA
- PSRR (IOUT = 20 mA, VIN = VOUT + 1 V): 95 dB typ at 1 kHz, 75 dB at 100 kHz, 45 dB at 1 MHz (first table set)
- Output noise (10 Hz–100 kHz, VOUT = 2.8 V): 7 μVRMS typ at 300 mA
- Enable thresholds: VEN(LOW) 0.3 V max, VEN(HI) 0.9 V min
- Thermal shutdown: 165 °C rising, 140 °C falling
- Auto-discharge pulldown: 150 Ω typ
Features:
- No noise-bypass capacitor required
- Low inrush current via internal soft-start
- Smart enable pulldown (500 kΩ internal) keeps the LDO off when EN floats
- Stable with 1 μF minimum ceramic output capacitor
- Internal output discharge resistor
Applications:
- Smartphones and tablets
- IP network cameras
- Portable medical equipment
- Smart meters and field transmitters
- Motor drives
- Wearables
Package:
- DQN: X2SON, 4 pins, 1 mm × 1 mm
- YCJ: DSBGA, 4 pins, 0.612 mm × 0.612 mm
- YCK: DSBGA, 4 pins, 0.616 mm × 0.616 mm
- DBV: SOT-23, 5 pins, 2.9 mm × 2.8 mm
TPS7A20 Features
- Low output voltage noise: 7μVRMS
- -No noise-bypass capacitor required
- High PSRR: 95dB at 1kHz
- Very low I Q: 6.5μA
- Input voltage range: 1.6V to 6.0V
- Output voltage range: 0.8V to 5.5V
- Output voltage tolerance: ±1.5% (max)
- Very low dropout:
- -140mV (max) at 300mA (VOUT = 3.3V)
- -145mV (max) at 300mA (VOUT = 3.3V, DBV)
- Low inrush current
- Smart enable pulldown
- Stable with 1μF minimum ceramic output capacitor
- Packages:
- -1mm × 1mm X2SON (DQN)
- -0.616mm × 0.616mm DSBGA (YCK)
- -0.612mm × 0.612mm DSBGA (YCJ)
- -2.9mm × 2.8mm SOT23-5 (DBV)
TPS7A20 Applications
- Smartphones and tablets
- IP network cameras
- Portable medical equipment
- Smart meters and field transmitters
- Motor drives
- Wearables
SBVS338H - MARCH 2020 - REVISED JULY 2024
TPS7A20 Pin Configuration
Figure 4-1. YCJ and YCK Packages, 4-Pin DSBGA (Top View)
Figure 4-2. YCJ and YCK Packages, 4-Pin DSBGA (Bottom View)
TPS7A20 Electrical Characteristics
at operating temperature range (TJ = -40 °C to +125 °C ), V IN = VOUT(NOM) + 0.3 V or 1.6V, whichever is greater, V EN = 1.0 V, I OUT = 1 mA, CIN = 1 μF, COUT = 1 μF (unless otherwise noted); all typical values are at T J = 25 °C
| PARAMETER | TEST CONDITIONS | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|---|
| ΔV OUT | Output voltage tolerance | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA to 300 mA, V OUT ≥ 1.85 V (DQN, YCJ, YCK packages) | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA to 300 mA, V OUT ≥ 1.85 V (DQN, YCJ, YCK packages) | -1.5 | 1.5 | % | |
| ΔV OUT | Output voltage tolerance | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA to 300 mA, V OUT ≥ 2.8 V (DBV package) | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA to 300 mA, V OUT ≥ 2.8 V (DBV package) | -1.5 | 1.5 | % | |
| ΔV OUT | Output voltage tolerance | V IN = (V OUT(NOM) + 0.5 V) to 6.0 V, I OUT = 1 mA to 300 mA V OUT < 1.85 V (DQN, YCJ, YCK packages) | V IN = (V OUT(NOM) + 0.5 V) to 6.0 V, I OUT = 1 mA to 300 mA V OUT < 1.85 V (DQN, YCJ, YCK packages) | -30 | 30 | mV | |
| ΔV OUT | Output voltage tolerance | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA to 300 mA, V OUT < 2.8 V (DBV package) | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA to 300 mA, V OUT < 2.8 V (DBV package) | -40 | 40 | mV | |
| ΔV OUT | Line regulation | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA | V IN = (V OUT(NOM) + 0.3 V) to 6.0 V, I OUT = 1 mA | 0.03 | 0.03 | 0.03 | %/V |
| ΔV OUT | Load regulation | I OUT = 1 mA to 300 mA (DQN, YCJ, YCK packages) | I OUT = 1 mA to 300 mA (DQN, YCJ, YCK packages) | 13 | mV | ||
| ΔV OUT | Load regulation | I OUT = 1 mA to 300 mA (DBV package) | I OUT = 1 mA to 300 mA (DBV package) | 19 | mV | ||
| I GND | Quiescent ground current | V EN = V IN = 6 V, I OUT = 0 mA | T J = 25°C | 6.5 | 8.5 | μA | |
| I GND | Quiescent ground current | V EN = V IN = 6 V, I OUT = 0 mA | T J = -40°C to 85°C | 10 | μA | ||
| I GND | Quiescent ground current | V EN = V IN = 6 V, I OUT = 0 mA | T J = -40°C to 125°C | 15 | μA | ||
| I GND | Quiescent ground current | V EN = V IN = 6 V, I OUT = 300 mA | V EN = V IN = 6 V, I OUT = 300 mA | 2000 | 2000 | 2000 | μA |
| I SHDN | Shutdown ground current | V EN = 0 V (disabled), V IN = 6.0 V, T J = 25°C | V EN = 0 V (disabled), V IN = 6.0 V, T J = 25°C | 0.07 | 0.2 | μA | |
| I GND(DO) | I GND in dropout | V IN ≤ V OUT(NOM) , I OUT = 0 mA, V EN = V IN | V IN ≤ V OUT(NOM) , I OUT = 0 mA, V EN = V IN | 6.5 | 15 | μA | |
| V DO | Dropout voltage | I OUT = 300 mA, V OUT = 95% x V OUT(NOM) , (DQN, YCJ, YCK packages unless otherwise noted) | 0.8 V ≤ V OUT < 1.0 V (1) | 690 | mV | ||
| V DO | Dropout voltage | I OUT = 300 mA, V OUT = 95% x V OUT(NOM) , (DQN, YCJ, YCK packages unless otherwise noted) | 1.0 V ≤ V OUT < 1.2 V (1) | 490 | mV | ||
| V DO | Dropout voltage | I OUT = 300 mA, V OUT = 95% x V OUT(NOM) , (DQN, YCJ, YCK packages unless otherwise noted) | 1.2 V ≤ V OUT < 1.5 V (1) | 355 | mV | ||
| V DO | Dropout voltage | I OUT = 300 mA, V OUT = 95% x V OUT(NOM) , (DQN, YCJ, YCK packages unless otherwise noted) | 1.5 V ≤ V OUT < 2.5 V | 200 | mV | ||
| V DO | Dropout voltage | I OUT = 300 mA, V OUT = 95% x V OUT(NOM) , (DQN, YCJ, YCK packages unless otherwise noted) | 1.5 V ≤ V OUT < 2.5 V (DBV) | 205 | mV | ||
| V DO | Dropout voltage | I OUT = 300 mA, V OUT = 95% x V OUT(NOM) , (DQN, YCJ, YCK packages unless otherwise noted) | 2.5 V ≤ V OUT < 5.5 V | 140 | mV | ||
| V DO | Dropout voltage | I OUT = 300 mA, V OUT = 95% x V OUT(NOM) , (DQN, YCJ, YCK packages unless otherwise noted) | 2.5 V ≤ V OUT < 5.5 V (DBV) | 145 | mV |
TPS7A20 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (1) (3)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| Voltage | V IN | -0.3 | 6.5 | V |
| Voltage | V OUT | -0.3 | 6.5 or V IN + 0.3 (2) | V |
| V EN | -0.3 | 6.5 | V | |
| Current | Maximum output (4) | Internally limited | A | |
| Temperature | Operating junction, T J | -40 | 150 | °C |
| Temperature | Storage, T stg | -65 | 150 | °C |
- (2) The maximum value of VOUT is the lesser of 6.5 V or (VIN + 0.3 V).
- (3) All voltages are with respect to the GND pin.
- (4) Internal thermal shutdown circuitry protects the device from permanent damage.
TPS7A20 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted) (1)
| MIN | NOM | MAX | UNIT | ||
|---|---|---|---|---|---|
| V IN | Input supply voltage | 1.6 | 6.0 | V | |
| V EN | Enable input voltage | 0 | 6.0 | V | |
| V OUT | Nominal output voltage range | 0.8 | 5.5 | V | |
| I OUT | Output current | 0 | 300 | mA | |
| C IN | Input capacitor (2) | 1 | μF | ||
| C OUT | Output capacitor (3) | 1 | 200 | μF | |
| ESR | Output capacitor effective series resistance | 100 | mΩ | ||
| T J | Operating junction temperature | -40 | 125 | °C |
TPS7A20 Thermal Information
| THERMAL METRIC (1) | TPS7A20 - DBV (SOT-23) - 5 PINS | TPS7A20 - DQN (X2SON) - 4 PINS | TPS7A20 - YCJ (DSBGA) - 4 PINS | TPS7A20 - YCK (DSBGA) - 4 PINS | UNIT | |
|---|---|---|---|---|---|---|
| R θJA | Junction-to-ambient thermal resistance | 187.1 | 166.1 | 199.6 | 201.4 | °C/W |
| R θJC(top) | Junction-to-case (top) thermal resistance | 85.5 | 103.6 | 2.8 | 2.8 | °C/W |
| R θJB | Junction-to-board thermal resistance | 54.4 | 110.6 | 67.5 | 69.3 | °C/W |
| ψ JT | Junction-to-top characterization parameter | 27.1 | 3.0 | 1.4 | 1.4 | °C/W |
| ψ JB | Junction-to-board characterization parameter | 54.1 | 103.3 | 67.4 | 69.2 | °C/W |
| R θJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | 98.8 | N/A | N/A | °C/W |
TPS7A20 Typical Application
Figure 7-4 shows the typical application circuit for the TPS7A20. Input and output capacitances may need to be increased above the 1 μF minimum for some applications.
SVA-30180501
Figure 7-4. TPS7A20 Typical Application
TPS7A20 Package Information
| PART NUMBER | PACKAGE (1) | PACKAGE SIZE (2) |
|---|---|---|
| TPS7A20 | DQN (X2SON, 4) | 1mm × 1mm |
| TPS7A20 | YCJ (DSBGA, 4) | 0.612mm × 0.612mm |
| TPS7A20 | YCK (DSBGA, 4) | 0.616mm × 0.616mm |
| TPS7A20 | DBV (SOT-23, 5) | 2.9mm × 2.8mm |
- (1) For more information, see the Mechanical, Packaging, and Orderable Information .
- (2) The package size (length × width) is a nominal value and includes pins, where applicable.
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| TPS7A2033 | Texas Instruments | X2SON-4 |
| TPS7A2033DQNR | Texas Instruments | 4-XDFN Exposed Pad |
Other Integrated Circuits
- STM32F103C8T6 – STMicroelectronics, Microcontroller
- STM32F405RGT6 – STMicroelectronics, ARM Cortex-M4 MCU
- SN74AVC4T245PWR – Texas Instruments, Dual-Supply Bus Transceiver Level Translator
- STM32F446RCT6 – STMicroelectronics, ARM Cortex-M4 MCU
- STM32G070RBT6 – STMicroelectronics, Arm Cortex-M0+ 32-bit MCU
- ADS131M08IPBSR – Texas Instruments, Delta-Sigma ADC
- ISO1540DR – Texas Instruments, Bidirectional I²C Isolator
- ISO7740DBQR – Texas Instruments, Digital Isolator
All Integrated Circuits datasheetsAll Texas Instruments datasheets (2,418)
Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.
Ask your AI agent about the TPS7A20
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the TPS7A20 run from my 12 V rail? Check it against the datasheet limits."
Create a free account $2 of usage every month, no card needed.