TPS770 10-V, 50-mA, Low-Iq, Low-Dropout Linear Regulator | TI.com

TPS770 (ACTIVE)

10-V, 50-mA, Low-Iq, Low-Dropout Linear Regulator

 

Recommended alternative parts

  • TPS709  - The device has the SAME FUNCTIONALITY and PINOUT as the compared device but is NOT an exact equivalent.   TPS709 is the next-generation version of this device with lower quiescent current and a wider input voltage range.

Description

The TPS770xx family of low-dropout (LDO) voltage regulators offers the benefits of low dropout voltage, ultralow-power operation, and miniaturized packaging. These regulators feature low dropout voltages and ultralow quiescent current compared to conventional LDO regulators. Offered in a 5-terminal small outline integrated-circuit SOT-23 package, the TPS770xx series devices are ideal for micropower operations and where board space is at a premium.

A combination of new circuit design and process innovation has enabled the usual PNP pass transistor to be replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low \x97 typically 35 mV at 50 mA of load current (TPS77050) \x97 and is directly proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current is ultralow (28 uA maximum) and is stable over the entire range of output load current (0 mA to 50 mA). Intended for use in portable systems such as laptops and cellular phones, the ultralow-dropout voltage feature and ultralow-power operation result in a significant increase in system battery operating life.

The TPS770xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 uA typical at TJ = 25°C. The TPS770xx is offered in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.2 V to 5.5 V).

Features

  • 50-mA Low-Dropout Regulator
  • Available in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5-V Fixed-Output and Adjustable Versions
  • Only 17 uA Quiescent Current at 50 mA
  • 1 uA Quiescent Current in Standby Mode
  • Dropout Voltage Typically 35 mV at 50 mA
  • Over Current Limitation
  • \x9640°C to 125°C Operating Junction Temperature Range
  • 5-Pin SOT-23 (DBV) Package

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Parametrics Compare all products in Linear regulators (LDO)

 
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)
TPS770 TPS761 TPS76201 TPS763 TPS764 TPS765 TPS766 TPS769
Adjustable Output
Fixed Output    
Fixed Output     Adjustable Output     Adjustable Output
Fixed Output    
Fixed Output     Adjustable Output
Fixed Output    
Adjustable Output
Fixed Output    
Adjustable Output
Fixed Output    
0.05     0.1     0.1     0.15     0.15     0.15     0.25     0.1    
10     16     10     10     10     10     10     10    
2.7     3.7     2.7     2.7     2.7     2.7     2.7     2.7    
5.5     5     5.5     5     3.3     5.5     5.5     5.5    
1.2     3     0.7     1.5     2.5     1.2     1.2     1.2    
1.2
1.5
1.8
2.5
2.7
2.8
3
3.3
5    
3
3.2
3.3
3.8
5    
  1.6
1.8
2.5
2.7
2.8
3
3.3
3.8
5    
2.5
2.7
2.8
3
3.3    
1.5
1.8
2.5
2.8
3
3.3
5    
1.5
1.8
2.5
2.8
3
3.3
5    
1.2
1.5
1.8
2.5
2.7
2.8
3
3.3
5    
SOT-23 | 5     SOT-23 | 5     SOT-23 | 5     SOT-23 | 5     SOT-23 | 5     SOIC | 8     SOIC | 8     SOT-23 | 5    
Enable     Enable     Enable     Enable     Enable     Enable
Power Good    
Enable
Power Good    
Enable    
1     1     1     1     1     1     1     1    
-40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125    
180     180     180     205     180     176     176     180    
190     190     60     140     50     200     200     190    
0.39 | 1ku     0.44 | 1ku     0.42 | 1ku     0.28 | 1ku     0.33 | 1ku     0.76 | 1ku     0.46 | 1ku     0.30 | 1ku    
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