TPS735 500mA, Adjustable, Low Quiescent Current, Low-Noise, High-PSRR, Single-Output LDO Regulator | TI.com

TPS735 (ACTIVE)

500mA, Adjustable, Low Quiescent Current, Low-Noise, High-PSRR, Single-Output LDO Regulator

 

Recommended alternative parts

  • TPS7A90  -  TPS7A90 is 500mA, low noise (4.7uVrms) LDO in a small package (2.5 mm x 2.5mm)
  • TPS7A87  - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   TPS7A87 is a dual-channel, low noise, 500mA LDO.
  • TPS745  - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   TPS745 is a 500mA ADJUSTABLE output LDO with lower dropout, lower Iq and Wider Vin with power good.

Description

The TPS735 low-dropout (LDO), low-power linear regulator offers excellent AC performance with very low ground current. High power-supply rejection ratio (PSRR), low noise, fast start-up, and excellent line and load transient responses are provided while consuming a very low 45-µA (typical) ground current.

The TPS735 device is stable with ceramic capacitors and uses an advanced BiCMOS fabrication process to yield a typical dropout voltage of 280 mV at 500-mA output. The TPS735 device uses a precision voltage reference and feedback loop to achieve overall accuracy of 2% (VOUT > 2.2 V) over all load, line, process, and temperature variations. This device is fully specified from TJ = –40°C to +125°C and is offered in a low-profile, 3 mm × 3 mm SON-8 package and a 2 mm × 2 mm WSON-6 package.

Features

  • Input Voltage: 2.7 V to 6.5 V
  • 500-mA Low-Dropout Regulator With EN
  • Low IQ: 45 µA
  • Multiple Output Voltage Versions Available:
    • Fixed Outputs of 1.2 V to 4.3 V
    • Adjustable Outputs from 1.25 V to 6 V
  • High PSRR: 68 dB at 1 kHz
  • Low Noise: 13.2 µVRMS
  • Fast Start-Up Time: 45 µs
  • Stable With a Ceramic, 2.2-µF, Low-ESR Output Capacitor
  • Excellent Load and Line Transient Response
  • 2% Overall Accuracy (Load, Line, and Temperature, VOUT > 2.2 V)
  • Very Low Dropout: 280 mV at 500 mA
  • 2-mm × 2-mm WSON-6 and
    3-mm × 3-mm SON-8 Packages

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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 @ 100KHz (dB)
Accuracy (%)
Vdo (Typ) (mV)
Iq (Typ) (mA)
Package Size: mm2:W x L (PKG)
TPS735 TPS734
Adjustable Output
Fixed Output    
Adjustable Output
Fixed Output    
0.5     0.25    
6.5     6.5    
2.7     2.7    
6     6.3    
1.2     1.2    
1.2
1.5
2.5
2.7
2.85
3.3
3.4    
1.8
3
3.3    
SON | 8
WSON | 6    
SOT-23-THIN | 5
WSON | 6    
Enable     Enable    
1     1    
-40 to 125     -40 to 125    
52     65    
16.5     28    
0.49 | 1ku     0.34 | 1ku    
Catalog     Catalog    
Ceramic     Ceramic    
28     28    
2     2    
280     125    
0.045     0.044    
See datasheet (SON)
See datasheet (WSON)    
5SOT-23-THIN: 8 mm2: 2.8 x 2.9 (SOT-23-THIN | 5)
See datasheet (WSON)    

Design tool

WEBENCH® Designer TPS735

  Min   Max Range
Vin  V 2.7 to 6.5V
Product Option
Vout  V
Iout  A ≤ 0.5A
Ambient Temp  °C -40.0 to 125.0°C