TPS7A05 1-µA, ultra-low-IQ, 200-mA low-dropout (LDO) regulator in a small-sized package | TI.com

TPS7A05 (ACTIVE) 1-µA, ultra-low-IQ, 200-mA low-dropout (LDO) regulator in a small-sized package

 

Recommended alternative parts

  • TPS7A10  -  300-mA, low-IQ LDO regulator that supports lower input/output voltages and provides ultra-low dropout

Sample availability

DBV, DQN, and YKA packages are fully released. Production samples are available.  Order now

DBZ package is in preview. Preproduction samples are available.  Order now

Description

The TPS7A05 is an ultra-small, low quiescent current low-dropout regulator (LDO) that can source 200 mA with excellent transient performance. This device has an output range of 0.8 V to 3.3 V with a typical 1% accuracy.

The TPS7A05, with ultralow IQ (1 µA), consumes very-low quiescent current for extending battery life in battery-powered applications. The device can be operated from rechargeable Li-Ion batteries, Li-primary battery chemistries such as Li-SOCl2, Li-MnO2, as well as two- or three-cell alkaline batteries.

The TPS7A05 is available with an active pulldown circuit to quickly discharge the output when disabled.

The TPS7A05 is fully specified for TJ = –40°C to +125°C operation, and is available in standard X2SON (DQN), SOT-23 (DBV and DBZ), and DSBGA (YKA) packages.

Features

  • Ultralow IQ: 1 µA (typ), 3 µA (max)
    • IGND: 6 µA (typ) at 200 mA
  • Excellent transient response
  • Packages:
    • 1.0-mm × 1.0-mm X2SON (4)
    • 0.65-mm × 0.65-mm DSBGA (4)
    • SOT-23 (5)
    • SOT-23 (3) (preview)
  • Input voltage range: 1.4 V to 5.5 V
  • Output accuracy: 1% typical, 3% maximum
  • Available in fixed-output voltage:
    • 0.8 V to 3.3 V
  • Very low dropout:
    • 235 mV (max) at 200 mA (3.3 VOUT)
  • Active output discharge
  • Foldback current limit
  • Stable with a 0.47-µF or larger capacitor

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Parametrics

Compare all products in Linear regulators (LDO) Email Download to Excel
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 (%) Vdo (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
TPS7A05 Order now Fixed Output     0.2     5.5     1.4     3.3     0.8     0.8
1.0
1.2
1.5
1.8
2.5
2.85
3.3    
DSBGA | 4
SOT-23 | 3
SOT-23 | 5
X2SON | 4    
Enable
Output Discharge    
1     -40 to 125     144.1     180     0.18 | 1ku     Catalog     15.4     1     204     0.001     See datasheet (DSBGA)
5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)
3SOT-23: 7 mm2: 2.37 x 2.92 (SOT-23 | 3)
4X2SON: 1 mm2: 1 x 1 (X2SON | 4)    
TPS706 Order now Fixed Output     0.15     6.5     2.7     3.3     1.2     1.2
1.5
1.8
2.5
2.8
3
3.3    
SOT-23 | 5
WSON | 6    
Enable
Reverse Current Protection    
1     -40 to 125     73     190     0.23 | 1ku     Catalog     30     2     245     0.001     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)
See datasheet (WSON)    
TPS797 Order now Fixed Output     0.05     5.5     1.8     3.3     1.8     1.8
2.85
3
3.3    
SC70 | 5     Power Good     1     -40 to 85     231     600     0.34 | 1ku     Catalog       4     105     0.001     5SC70: 4 mm2: 2.1 x 2 (SC70 | 5)