Analog Devices' model LTM4644IY#PBF (click to buy now) is a power module. It is a four-channel DC/DC step-down μModule (micro-module) regulator with each output 4A. Outputs can be paralleled in an array for up to 16A capability. Package includes switching controller, power field effect transistor, inductor and supporting components.
LTM4644IY#PBF is externally biased and powered. The input voltage range is 4V~14V or 2.375V~14V, and the output voltage range is 0.6V~5.5V. Its high-efficiency design provides 4A continuous (5A peak) output current per channel, requiring only large input and output capacitors.
Functional features of LTM4644IY#PBF
1. Four-channel output buck μModule® regulator that can provide 4A current per output
2. Wide input voltage range: 4V to 14V
3. 2.375V to 14V (using external bias)
4. 0.6V to 5.5V output voltage
5. Each channel can provide 4A DC, 5A peak output current
6. Up to 5.5W power consumption (TA = 60ºC, 200 LFM, no heat sink)
7. ±1.5% total output voltage regulation
8. Current mode control, fast transient response
9. Can provide higher output current through parallel connection
10. Output voltage tracking
11. Internal temperature detection diode output
12. External frequency synchronization
13. Overvoltage, overcurrent and overheating protection
14. 9mm x 15mm x 5.01mm BGA package
Application areas of LTM4644IY#PBF
LTM4644IY#PBF is a high-performance operational amplifier suitable for applications requiring high precision, high bandwidth, low noise and low distortion. Its main application areas are as follows:
1. Test and measurement: AD8675ARZ is widely used in test equipment, instrumentation and automation equipment for functions such as gain amplification, sensor signal processing and voltage comparison.
2. Medical equipment: Due to its low noise and high precision, AD8675ARZ is widely used in medical equipment, such as electrocardiographs, ultrasound equipment, blood pressure monitors, etc.
3. Communication and network equipment: AD8675ARZ is used for signal processing, filtering, amplification and driving functions in communication and network equipment, such as modems, multicast systems, broadband communication equipment, etc.
4. Audio equipment: AD8675ARZ can be used in high-fidelity audio amplifiers, audio interfaces, audio test equipment, etc. to provide precise and accurate performance for the amplification and processing of audio signals.
5. Power measurement and control: AD8675ARZ can provide high-precision signal processing and amplification functions in power measurement and control systems for applications such as current, voltage and power measurement.
LTM4644IY#PBF parameters
Brand: Analog Semiconductor
Product Category: Power Module
Series: µModule®
Voltage - Output 2: 0.6 ~ 5.5V
Voltage - Output 3: 0.6 ~ 5.5V
Voltage - Output 4: 0.6 ~ 5.5V
Packaging: Pallet
Current - Output (max): 4A, 4A, 4A, 4A
Application: ITE (commercial)
Type: Non-Isolated PoL Module
Features: OCP, OTP, OVP
Number of outputs: 4
Working temperature: -40°C ~ 125°C
Voltage - Input (minimum): 4V
Voltage - Input (max): 14V
Installation type: surface mount type
Voltage - Output 1: 0.6 ~ 5.5V
Package: 77-BBGA
LTM4644IY#PBF pin diagram
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