TPS723 200-mA negative-output low-dropout (LDO) linear regulator | TI.com

TPS723
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200-mA negative-output low-dropout (LDO) linear regulator

 

Description

The TPS723 low-dropout (LDO) negative voltage regulator offers an ideal combination of features to support low noise applications. This device is capable of operating with input voltages from –10 V to –2.7 V, and support outputs from –10 V to –1.2 V. This regulator is stable with small, low-cost ceramic capacitors, and include enable (EN) and noise reduction (NR) functions. Thermal short-circuit and over-current protections are provided by internal detection and shutdown logic. High PSRR (65 dB at 1 kHz) and low noise (60 µVRMS) make the TPS723 ideal for low-noise applications.

The TPS723 uses a precision voltage reference to achieve 2% overall accuracy over load, line, and temperature variations. Available in a small SOT23-5 package, the TPS723 is fully specified over a temperature range of –40°C to 125°C.

Features

  • Ultralow noise: 60 µVRMS typical
  • High PSRR: 65 dB typical at 1 kHz
  • Low dropout voltage: 280 mV typical at 200 mA, 2.5 V
  • Available in –2.5-V and adjustable (–1.2 V to –10 V) versions
  • Stable with a 2.2-µF ceramic output capacitor
  • Less than 2-µA typical quiescent current in shutdown mode
  • 2% overall accuracy
    (line, load, temperature)
  • Thermal and over-current protection
  • Packages:
    • SOT23-5 (DBV)
    • SOT23-5 (DDC)
    • WSON-6 (DRV)
  • Operating junction temperature range: –40°C to 125°C

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WEBENCH® Designer TPS723

  Min   Max Range
Vin  V -10.0 to -2.7V
Product Option
Vout  V
Iout  A ≤ 0.2A
Ambient Temp  °C -40.0 to 125.0°C

Parametrics

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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 PSRR @ 100 KHz (dB) Accuracy (%) Dropout voltage (Vdo) (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
TPS723 Order now Adjustable Output
Fixed Output
Negative Output    
0.2     -2.7     -10     -1.2     -9.75     -2.5     SOT-23-THIN | 5
SOT-23 | 5
WSON | 6    
Enable     1     -40 to 125     195     60     1.05 | 1ku     Catalog     48     2     280     0.13     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)
5SOT-23-THIN: 8 mm2: 2.8 x 2.9 (SOT-23-THIN | 5)
6WSON: 4 mm2: 2 x 2 (WSON | 6)