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LTM4709 Datasheet

LTM4709 Datasheet

Triple 3A, Ultralow Noise, High PSRR, Ultrafast μModule Linear Regulator with Configurable Output Array
Part No.: LTM4709
Page: 26 Pages
Size: 2664 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2024-11-22 11:35:58
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LTM4709 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM4709EY#PBF Tray 198 4709 4 98 -40°C ~125°C 98-ball CSP_BGA (6 mm x 12mm x 1.92 mm)  
LTM4709IY#PBF Tray 198 4709 4 98 -40°C ~125°C 98-ball CSP_BGA (6 mm x 12mm x 1.92 mm)  
LTM4709HY#PBF Tray 198 4709 4 98 -40°C ~150°C 98-ball CSP_BGA (6 mm x 12mm x 1.92 mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM4709 Datasheet(PDF)

LTM4709 Datasheet(Picture)

LTM4709 Features

  • Linear Regulator μModule® with Triple 3A Output
  • Input Voltage: 0.6V to 5.5V
  • Configurable Output Voltage: 0.5V to 4.2V
  • Ultralow RMS Noise: 1.3μVRMS (10Hz to 100kHz)
  • High Frequency PSRR: 51dB at 1MHz
  • Low Dropout Voltage: 45mV Typical at 3A
  • Ultrafast Transient Response
  • 50% Smaller Than Discrete Solutions
  • ±1.5% Output Voltage Regulation Over Line, Load, and Temperature
  • ±2.4% Precision Current Monitor Accuracy at 3A
  • Stable with Ceramic Output Capacitors (10μF Minimum)
  • Parallel Multiple Devices for Higher Current
  • PG Flag, UVLO, Overcurrent and Overtemperature Protection
  • 150°C Rated Available
  • 6mm × 12mm × 1.92mm BGA Package

LTM4709 Applications

  • RF Power Supplies: PLLs, VCOs, Mixers, LNAs, PAs
  • High Speed/High Precision Data Converter
  • FPGA, DSP, and Microprocessor Power Supplies
  • High-Speed Servers and Storage Devices
  • Medical and Healthcare
  • Very-Low-Noise Instrumentation
  • Post-Regulation for Switching Supplies

LTM4709 Description

The LTM4709 is a low voltage, triple 3A μModule linear regulator offering a high power supply rejection ratio (PSRR), ultralow noise, and ultrafast transient response. The μModule regulator includes low dropout linear regulators (LDO), capacitors, and resistors. Operating over an input voltage range of 0.6V to 5.5V, the LTM4709 supports an output voltage range of 0.5V to 4.2V for triple 3A channels with a typical dropout voltage of 45mV. The output voltage is digitally configurable in 50mV increments from 0.5V to 1.2V; 100mV increments from 1.2V to 1.8V; and discrete levels at 2V, 2.5V, 3V, 3.3V, and 4.2V. A precision current monitor provides accurate current monitoring for the energy management system and current limit. The LTM4709 is ideal for RF communication, noise-sensitive instrumentation, post-regulation for switching regulators, high-performance FPGAs, and microprocessors. Only input, output, and bias ceramic capacitors are needed for its application.

Fault protection features include UVLO, power good, overcurrent, and overtemperature protection. The LTM4709 is offered in 6mm × 12mm × 1.92mm, 98-pin BGA package with 0.8mm ball pitch.

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