TPS765 Low Iq, 150-mA Low-Dropout Linear Regulator with Power Good Output | TI.com

TPS765
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Low Iq, 150-mA Low-Dropout Linear Regulator with Power Good Output

 

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Description

This device is designed to have an ultra-low quiescent current and be stable with a 4.7-uF capacitor. This combination provides high performance at a reasonable cost.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 85 mV at an output current of 150 mA for the TPS76550) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 35 uA over the full range of output current, 0 mA to 150 mA). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN\ (enable) shuts down the regulator, reducing the quiescent current to less than 1 uA (typ).

Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator.

The TPS765xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V and 5.0-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.25 V to 5.5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS765xx family is available in 8 pin SOIC package.

Features

  • 150-mA Low-Dropout Voltage Regulator
  • Available in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions
  • Dropout Voltage to 85 mV (Typ) at 150 mA (TPS76550)
  • Ultra-Low 35-uA Typical Quiescent Current
  • 3% Tolerance Over Specified Conditions for Fixed-Output Versions
  • Open Drain Power Good
  • 8-Pin SOIC Package
  • Thermal Shutdown Protection

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)
TPS765 Order now Adjustable Output
Fixed Output    
0.15     10     2.7     5.5     1.2     1.5
1.8
2.5
2.8
3
3.3
5    
SOIC | 8     Enable
Power Good    
1     -40 to 125     176     200     0.76 | 1ku     Catalog     45     3     85     0.03     8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)    
TPS761 Order now Fixed Output     0.1     16     3.7     5     3     3
3.2
3.3
3.8
5    
SOT-23 | 5     Enable     1     -40 to 125     180     190     0.44 | 1ku     Catalog       2     170     0.09     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
TPS76201 Order now Adjustable Output     0.1     10     2.7     5.5     0.7       SOT-23 | 5     Enable     1     -40 to 125     180     60     0.42 | 1ku     Catalog     40     3     100     0.02     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
TPS763 Order now Adjustable Output
Fixed Output    
0.15     10     2.7     5     1.5     1.6
1.8
2.5
2.7
2.8
3
3.3
3.8
5    
SOT-23 | 5     Enable     1     -40 to 125     205     140     0.28 | 1ku     Catalog     41     3     375     0.08     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)    
TPS764 Order now Fixed Output     0.15     10