LTM8025EV LINER [Linear Technology], LTM8025EV Datasheet
LTM8025EV
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LTM8025EV Summary of contents
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FEATURES n Complete Step-Down Switch Mode Power Supply n Wide Input Voltage Range: 3.6V to 36V Output Current n Parallelable for Increased Output Current n 0.8V to 24V Output Voltage n Selectable Switching Frequency: 200kHz to ...
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... Maximum Junction Temperature (Note 2) ............ 125°C Solder Temperature ............................................... 245°C ORDER INFORMATION LEAD FREE FINISH TRAY LTM8025EV#PBF LTM8025EV#PBF LTM8025IV#PBF LTM8025IV#PBF LTM8025MPV#PBF LTM8025MPV#PBF Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: This product is only offered in trays ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER Output Voltage Ripple (RMS) Switching Frequency Voltage (at ADJ Pin) Current Out of ADJ Pin Minimum BIAS Voltage for Proper Operation RUN/SS Pin Current RUN Input High Voltage RUN ...
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LTM8025 TYPICAL PERFORMANCE CHARACTERISTICS 2.5V Effi ciency OUT 100 12V 50 IN 24V IN 32V 500 1000 1500 2000 2500 LOAD CURRENT (mA) 8025 G01 8V Effi ciency OUT 100 90 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Bias Current vs Load Current 8V OUT 80 12V IN 24V 1000 2000 3000 LOAD CURRENT (mA) 8025 G10 Input Current vs Load Current 2.5V OUT 2500 ...
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LTM8025 TYPICAL PERFORMANCE CHARACTERISTICS Input Current vs Input Voltage Output Shorted 600 500 400 300 200 100 INPUT VOLTAGE (V) 8025 G19 Minimum Input Voltage vs Load Current, 5V OUT 7.5 TO RUN TO START ...
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TYPICAL PERFORMANCE CHARACTERISTICS Minimum Input Voltage vs Load Current, –8V OUT 20 TO RUN TO START RUN/SS CONTROLLED 1000 2000 LOAD CURRENT (mA) 8025 G28 Junction Temperature Rise vs Load Current, 2.5V OUT 45 5V ...
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LTM8025 PIN FUNCTIONS V (Bank 1): Power Output Pins. Apply the output fi lter OUT capacitor and the output load between these pins and GND pins. GND (Bank 2): Tie these GND pins to a local ground plane below the ...
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BLOCK DIAGRAM V IN 0.2μF RUN/SS SHARE CONTROLLER SYNC OPERATION The LTM8025 is a standalone nonisolated step-down switching DC/DC power supply that can deliver output current. This module provides a precisely regulated output voltage programmable via ...
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LTM8025 APPLICATIONS INFORMATION For most applications, the design process is straight forward, summarized as follows: 1. Look at Table 1 and fi nd the row that has the desired input range and output voltage. 2. Apply the recommended C , ...
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APPLICATIONS INFORMATION Table 1: Recommended Component Values and Confi guration ( OUT IN 3.6V to 36V 0.8V 10μF , 50V, 1210 3.6V to 36V 1.5V 10μF , 50V, 1210 3.6V to 36V 1.8V 10μF , 50V, ...
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LTM8025 APPLICATIONS INFORMATION Table 2. Switching Frequency vs R Value T SWITCHING FREQUENCY 0.2MHz 0.3MHz 0.4MHz 0.5MHz 0.6MHz 0.7MHz 0.8MHz 0.9MHz 1MHz 1.2MHz 1.4MHz 1.6MHz 1.8MHz 2MHz 2.2MHz 2.4MHz Operating Frequency Tradeoffs It is recommended that the user apply the ...
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APPLICATIONS INFORMATION on is higher than that required to run, and depends upon whether the RUN/SS is used. As shown in the Typical Performance Characteristics section, the minimum input voltage to run a 3.3V output at light load is only ...
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LTM8025 APPLICATIONS INFORMATION RUN/SS LTM8025 RT SYNC GND Figure 2. The Input Diode Prevents a Shorted Input from Discharging a Backup Battery Tied to the Output. It Also Protects the Circuit from a Reversed Input. The ...
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APPLICATIONS INFORMATION Thermal Considerations The LTM8025 output current may need to be derated required to operate in a high ambient temperature or deliver a large amount of continuous power. The amount of current derating is dependent upon ...
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LTM8025 TYPICAL APPLICATIONS 3.6V TO 24V 4.1V TO 36V 5.5V TO 36V V 11V TO 36V 16 1.8V Step-Down Converter OUT RUN/SS AUX 10μF BIAS LTM8025 SHARE PGOOD RT ADJ SYNC GND 147k 2.5V Step-Down ...
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TYPICAL APPLICATIONS V IN 7.5V TO 30V 4.1V TO 36V OPTIONAL SYNC *RUNNING VOLTAGE RANGE. PLEASE REFER TO APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS NOTE: SYNCHRONIZE THE TWO MODULES TO AVOID BEAT FREQUENCIES, IF NECESSARY. OTHERWISE, TIE ...
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LTM8025 PACKAGE DESCRIPTION bbb // 6.350 5.080 3.810 2.540 1.270 0.000 1.270 2.540 3.810 5.080 6.350 8025f ...
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PACKAGE DESCRIPTION PIN NAME A1 V OUT A2 V OUT A3 V OUT A4 V OUT A5 GND A6 GND A7 GND PIN NAME G1 GND G2 GND G3 GND G4 GND G5 AUX G6 GND G7 RT Information furnished ...
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LTM8025 PACKAGE PHOTOGRAPH RELATED PARTS PART NUMBER DESCRIPTION LTM4600/LTM4602 10A and 6A DC/DC μModule LTM4601/LTM4603 12A and 6A DC/DC μModule LTM4604 4A, Low V DC/DC μModule IN LTM4606 Low EMI 6A, 28V DC/DC μModule LTM8020 200mA, 36V DC/DC μModule LTM8022 ...