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RT9187

Features: 􀁺` Ultra-Low-Noise for RF Application􀁺` Ultra-Fast Response in Line/Load Transient􀁺` Quick Start-Up (Typically 40s)􀁺` < 0.1A Standby Current When Shutdown􀁺` Low Dropout : 240mV at 1A􀁺` Wide Operating Voltage Ranges : 2.5V to 5.5V&#...

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SeekIC No. : 004479887 Detail

RT9187: Features: 􀁺` Ultra-Low-Noise for RF Application􀁺` Ultra-Fast Response in Line/Load Transient􀁺` Quick Start-Up (Typically 40s)􀁺` < 0.1A Standby Current When Shu...

RT9187 Data Sheet

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Part Number:
RT9187
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

􀁺` Ultra-Low-Noise for RF Application
􀁺` Ultra-Fast Response in Line/Load Transient
􀁺` Quick Start-Up (Typically 40s)
􀁺` < 0.1A Standby Current When Shutdown
􀁺` Low Dropout : 240mV at 1A
􀁺` Wide Operating Voltage Ranges : 2.5V to 5.5V
􀁺` TTL-Logic-Controlled Shutdown Input
􀁺` Current Limiting Protection
􀁺` Thermal Shutdown Protection
􀁺` Only 2.2F Output Capacitor Required for Stability
􀁺` High Power Supply Rejection Ratio
􀁺` RoHS Compliant and 100% Lead (Pb)-Free




Application

􀁺· CDMA/GSM Cellular Handsets
􀁺· Battery-Powered Equipment
􀁺· Laptop, Palmtops, Notebook Computers
􀁺· Hand-Held Instruments
􀁺· Mini PCI & PCI-Express Cards
􀁺· PCMCIA & New Cards
􀁺· Portable Information Appliances




Pinout

Connection Diagram




Specifications

􀁺 Supply Input Voltage -------------------------------------------------------------------------6V
􀁺 EN Input Voltage ----------------------------------------------------------------------------- 6V
􀁺 Power Dissipation, PD @ TA = 25°C
VDFN-8L 3x3 -------------------------------------------------------------------------------- 0.923W
􀁺 Package Thermal Resistance (Note 9)
VDFN-8L 3x3, JC ------------------------------------------------------------------------ 8.2°C/W
VDFN-8L 3x3, JA ----------------------------------------------------------------------- 108°C/W
􀁺 Lead Temperature (Soldering, 10 sec.) --------------------------------------------- 260°C
􀁺 Junction Temperature ------------------------------------------------------------------ 150°C
􀁺 Storage Temperature Range -------------------------------------------- −65°C to 150°C
􀁺 ESD Susceptibility (Note 2)
HBM -------------------------------------------------------------------------- --------------------- 2kV
MM------------------------------------------------------------------------------------------------- 200V




Description

The RT9187 is a high-performance, 1A LDO regulator, offering extremely high PSRR and ultra-low dropout. Ideal for portable RF and wireless applications with demanding performance and space requirements.

A noise reduction pin is also available for further reduction of output noise. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The RT9187 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices.

The RT9187 consumes less than 0.1A in shutdown mode and has fast turn-on time less than 40s. The other features include ultra-low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio.

Available in the VDFN-8L 3x3 package.






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