TPS74201 Single Output LDO, 1.5A, Adj.(0.8 to 3.3V), Any or No Cap, Programmable Soft Start | TI.com

TPS74201 (ACTIVE)

Single Output LDO, 1.5A, Adj.(0.8 to 3.3V), Any or No Cap, Programmable Soft Start

 

Recommended alternative parts

  • TPS7A83A  -  The TPS7A83A is 2-A LDO with low-noise (4.4 µVRMS) and low-dropout (200mV) and improved accuracy (0.75%)
  • TPS7A92  -  TPS7A92 is 2A, low noise (4.7uVrms) LDO in a small package (2.5 mm x 2.5mm)
  • TPS7A8300  - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   TPS7A8300 is the next-generation version of this device with lower noise.

Description

The TPS742 series of low-dropout (LDO) linear regulators provide an easy-to-use, robust power-management solution for a wide variety of applications. User-programmable soft-start minimizes stress on the input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and well suited for powering many different types of processors and ASICs. The enable input and power-good output allow easy sequencing with external regulators. This complete flexibility permits the user to configure a solution that meets the sequencing requirements of FPGAs, DSPs, and other applications with special start-up requirements.

A precision reference and error amplifier deliver 1% accuracy over load, line, temperature, and process. Each LDO is stable with low-cost ceramic output capacitors, and the family is fully specified from –40°C to 125°C. The TPS742 devices are offered in a small 5-mm × 5-mm VQFN (RGW) and a small 3.5-mm × 3.5-mm VQFN (RGR) package, yielding a highly compact total solution size. For applications that require additional power dissipation, the DDPAK/TO-263 (KTW) package is also available.

Features

  • Input Voltage Range: 0.8 V to 5.5 V
  • Soft-Start (SS) Pin Provides a Linear Start-Up With Ramp Time Set by External Capacitor
  • 1% Accuracy Over Line, Load, and Temperature
  • Supports Input Voltages as Low as 0.8 V With External Bias Supply
  • Adjustable Output (0.8 V to 3.6 V)
  • Ultra-Low Dropout: 55 mV at 1.5 A (Typical)
  • Stable With Any or No Output Capacitor
  • Excellent Transient Response
  • Open-Drain Power-Good (VQFN)
  • Active High Enable

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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)
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)
TPS74201 TPS74301 TPS74401 TPS74701 TPS74801 TPS74901
Adjustable Output     Adjustable Output
Tracking Output    
Adjustable Output     Adjustable Output     Adjustable Output     Adjustable Output    
1.5     1.5     3     0.5     1.5     3    
5.5     5.5     5.5     5.5     5.5     5.5    
0.8     0.8     0.8     0.8     0.8     0.8    
3.5     3.6     3.6     3.6     3.6     3.6    
0.8     0.8     0.8     0.8     0.8     0.8    
DDPAK/TO-263 | 7
VQFN | 20
VQFN | 20    
DDPAK/TO-263 | 7
VQFN | 20    
DDPAK/TO-263 | 7
VQFN | 20
VQFN | 20    
VSON | 10     VQFN | 20
VSON | 10    
DDPAK/TO-263 | 7
VQFN | 20
VSON | 10    
Enable
Power Good
Soft Start    
Enable
Power Good    
Enable
Power Good
Soft Start    
Enable
Power Good
Soft Start    
Enable
Power Good
Soft Start    
Enable
Power Good
Soft Start    
1     1     1     1     1     1    
-40 to 125
-40 to 85    
-40 to 85     -40 to 125     -40 to 125     -40 to 125     -40 to 125    
27     20     27     42     36     34    
13     20     13     20     20     20    
1.80 | 1ku     2.00 | 1ku     2.50 | 1ku     0.80 | 1ku     0.80 | 1ku     1.45 | 1ku    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
Cap Free
Ceramic    
Cap Free
Ceramic    
Cap Free
Ceramic    
Ceramic     Ceramic     Ceramic    
52     45     50     27     28     28    
1     1     1     2     2     2    
55     55     115     50     60     120    
3     3     3     1     1     3    
7DDPAK/TO-263: 154 mm2: 15.24 x 10.1 (DDPAK/TO-263 | 7)
20VQFN: 12 mm2: 3.5 x 3.5 (VQFN | 20)
20VQFN: 25 mm2: 5 x 5 (VQFN | 20)    
7DDPAK/TO-263: 154 mm2: 15.24 x 10.1 (DDPAK/TO-263 | 7)
20VQFN: 25 mm2: 5 x 5 (VQFN | 20)    
7DDPAK/TO-263: 154 mm2: 15.24 x 10.1 (DDPAK/TO-263 | 7)
20VQFN: 12 mm2: 3.5 x 3.5 (VQFN | 20)
20VQFN: 25 mm2: 5 x 5 (VQFN | 20)    
10VSON: 9 mm2: 3 x 3 (VSON | 10)     20VQFN: 25 mm2: 5 x 5 (VQFN | 20)
10VSON: 9 mm2: 3 x 3 (VSON | 10)    
7DDPAK/TO-263: 154 mm2: 15.24 x 10.1 (DDPAK/TO-263 | 7)
20VQFN: 25 mm2: 5 x 5 (VQFN | 20)
10VSON: 9 mm2: 3 x 3 (VSON | 10)    

Design tool

New!
WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer TPS74201

  Min   Max Range
Vin  V 0.8 to 5.5V
Vout  V 0.8 to 3.6V
Iout  A ≤ 1.5A
Ambient Temp  °C -40 to 125°C


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