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LDO Regulator Pos 1.5V to 5.5V3.3V 1A/1A 28-Pin HTSSOP EP T/R

TPS767D301PWPR General Description

The TPS767D3xx family of dual voltage regulators offers fast transientresponse, low dropout voltages and dual outputs in a compact package and incorporating stability with 10μF low ESR output capacitors.

The TPS767D3xx family of dual voltage regulators is designed primarily for DSP applications. These devices can be used in any mixed-output voltage application, with each regulator supporting up to 1A. Dual active-low reset signals allow resetting of core-logic and I/O separately.

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (350mV typically at an output current of 1A for the TPS767D325) 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 85μA over the full range of output current, 0mA to 1A). 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 1μA at TJ = +25°C.

The RESET output of the TPS767D3xx initiates a reset in microcomputer and microprocessor systems in the event of an undervoltage condition. An internal comparator in the TPS767D3xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage.

The TPS767D3xx is offered in 1.8V, 2.5V, and 3.3V fixed-voltage versions and in an adjustable version (programmable over the range of 1.5V to 5.5V). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges. The TPS767D3xx family is available in a 28-pin PWP TSSOP package. They operate over a junction temperature range of -40°C to +125°C.

Key Features

  • Dual Output Voltages for Split-Supply Applications
  • Output Current Range of 0mA to 1.0A per Regulator
  • 3.3V/2.5V, 3.3V/1.8V, and 3.3V/Adjustable Output
  • Fast-Transient Response
  • 2% Tolerance Over Load and Temperature
  • Dropout Voltage Typically 350mV at 1A
  • Ultra-low 85μA Typical Quiescent Current
  • 1μA Quiescent Current During Shutdown
  • Dual Open-Drain Power-On Reset with 200ms Delay for Each Regulator
  • 28-Pin PowerPAD TSSOP Package
  • Thermal Shutdown Protection for Each Regulator

PowerPAD Is a trademark of Texas Instruments
All other trademarks are the property of their respective owners


Output options Adjustable Output, Dual output, Fixed Output Iout (max) (A) 1
Vin (max) (V) 10 Vin (min) (V) 2.7
Vout (max) (V) 5.5 Vout (min) (V) 1.5
Fixed output options (V) 1.8, 2.5, 3.3 Noise (µVrms) 55
Iq (typ) (mA) 0.08 Thermal resistance θJA (°C/W) 28
Rating Catalog Load capacitance (min) (µF) 10
Regulated outputs (#) 2 Features Enable, Power good
Accuracy (%) 2 PSRR at 100 KHz (dB) 30
Dropout voltage (Vdo) (typ) (mV) 350 Operating temperature range (°C) -40 to 125
Product Category LDO Voltage Regulators Mounting Style SMD/SMT
Output Current 1 A Number of Outputs 2 Output
Polarity Positive Quiescent Current 85 uA
Input Voltage, Min 2.7 V Input Voltage, Max 10 V
Output Type Adjustable, Fixed Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Dropout Voltage 350 mV
Series TPS767D301 Dropout Voltage - Max 575 mV
Height 1.15 mm Ib - Input Bias Current 85 uA
Length 9.7 mm Line Regulation 0.01 %/V
Load Regulation 3 mV Moisture Sensitive Yes
Operating Supply Current 80 uA Output Voltage Range 1.5 V to 5.5 V, 3.3 V
Pd - Power Dissipation 5.07 W Product LDO Voltage Regulators
Product Type LDO Voltage Regulators Factory Pack Quantity 2000
Subcategory PMIC - Power Management ICs Type Low Dropout Voltage Regulators
Voltage Regulation Accuracy 2 % Width 4.4 mm
Unit Weight 0.011288 oz

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