TPS795 Ultralow-Noise, High-PSRR, Fast, RF, 500-mA Low-Dropout Linear Regulators |

TPS795 (ACTIVE) Ultralow-Noise, High-PSRR, Fast, RF, 500-mA Low-Dropout Linear Regulators


Recommended alternative parts

  • TLV758P  -  500-mA LDO regulator with lower IQ and 1% accuracy
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  • LP5912  -  500-mA fixed-output, low-IQ, low-noise LDO regulator


The TPS795 family of low-dropout (LDO), low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and load transient responses in small outline, 6-pin SOT-223 and 3-mm × 3-mm VSON packages. Each device in the family is stable with a small 1-µF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 110 mV at 500 mA). Each device achieves fast start-up times (approximately 50 µs with a 0.001-µF bypass capacitor) while consuming very low quiescent current (265 µA, typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 µA. The TPS79530 device exhibits approximately 33 µVRMS of output voltage noise at 3-V output with a 0.1-µF bypass capacitor. Applications with analog components that are noise-sensitive, such as portable RF electronics, benefit from the high-PSRR and low-noise features, as well as from the fast response time.




  • 500-mA low-dropout regulator with enable
  • Available in fixed and adjustable (1.2-V to 5.5-V) versions
  • High PSRR (50 dB at 10 kHz)
  • Ultralow noise (33 µVRMS, TPS79530)
  • Fast start-up time (50 µs)
  • Stable with a 1-µF ceramic capacitor
  • Excellent load and line transient response
  • Low dropout voltage (110 mV at full load, TPS79530)
  • 6-pin SOT-223 and 3-mm × 3-mm VSON packages

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WEBENCH® Designer TPS795

  Min   Max Range
Vin  V 2.7 to 5.5V
Product Option
Vout  V
Iout  A ≤ 0.5A
Ambient Temp  °C -40.0 to 125.0°C


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Part number Order Output options Iout (Max) (A) Vin (Max) (V) Vin (Min) (V) Vout (Max) (V) Vout (Min) (V) Fixed output options (V) Package Group Features Regulated outputs (#) Operating temperature range (C) Thermal resistance θJA (°C/W) Noise (uVrms) Approx. price (US$) Rating Output capacitor type PSRR @ 100 KHz (dB) Accuracy (%) Vdo (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
TPS795 Order now Adjustable Output
Fixed Output    
0.5     5.5     2.7     5.4     1.2     1.6
SON | 8
SOT-223 | 6    
Enable     1     -40 to 125     48     33     1.14 | 1ku     Catalog     Ceramic     40     2     110     0.26     See datasheet (SON)
6SOT-223: 46 mm2: 7.06 x 6.5 (SOT-223 | 6)