LTC3528EDDB-2#TRMPBF Linear Technology, LTC3528EDDB-2#TRMPBF Datasheet
LTC3528EDDB-2#TRMPBF
Specifications of LTC3528EDDB-2#TRMPBF
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LTC3528EDDB-2#TRMPBF Summary of contents
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... The LTC3528/LTC3528B are offered in an 8-lead 3mm × 2mm × 0.75mm DFN package. L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. ...
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... Storage Temperature Range ................... –65°C to 125°C ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC3528EDDB#PBF LTC3528EDDB#TRPBF LTC3528BEDDB#PBF LTC3528BEDDB#TRPBF Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T PARAMETER SHDN Input High Voltage SHDN Input Low Voltage SHDN Input Current PGOOD Threshold Percentage PGOOD Low Voltage PGOOD Leakage Current Note 1: Stresses beyond those listed under Absolute Maximum Ratings ...
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LTC3528/LTC3528B TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current and V IN for V = 3.3V (LTC3528) OUT 100 EFFICIENCY POWER 60 LOSS ...
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TYPICAL PERFORMANCE CHARACTERISTICS Burst Mode Threshold Current OUT 40 EXIT BURST ENTER BURST (V) IN 3528 G11 Oscillator Frequency Change vs Temperature –1 –2 ...
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LTC3528/LTC3528B TYPICAL PERFORMANCE CHARACTERISTICS Burst Mode Waveforms V OUT 20mV/DIV INDUCTOR CURRENT 100mA/DIV 3528 G20 V = 3.6V 5µs/DIV OUT C = 22µF OUT C = 33pF 30mA LOAD Load Step Response (Burst ...
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PIN FUNCTIONS SGND (Pin 7): Signal Ground. Provide a short direct PCB path between SGND and the (–) side of the input and output capacitors. V (Pin 8): Battery Input Voltage. Connect a minimum of IN 1µF ceramic decoupling capacitor ...
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LTC3528/LTC3528B OPERATION (Refer to Block Diagram) The LTC3528/LTC3528B are 1MHz synchronous boost converters housed in an 8-lead 3mm × 2mm DFN package. With the ability to start-up and operate from inputs less than 0.88V, the devices feature fixed frequency, current ...
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OPERATION (Refer to Block Diagram) Error Amplifier The error amplifier is a transconductance type. The nonin- verting input is internally connected to the 1.20V reference and the inverting input is connected to FB. Clamps limit the minimum and maximum error ...
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LTC3528/LTC3528B OPERATION (Refer to Block Diagram) Burst Mode OPERATION The LTC3528 will automatically enter Burst Mode opera- tion at light load current and return to fixed frequency PWM mode when the load increases. Refer to the Typical Performance Characteristics to ...
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APPLICATIONS INFORMATION V > V OPERATION IN OUT The LTC3528/LTC3528B will maintain voltage regulation even when the input voltage is above the desired output voltage. Note that the efficiency is much lower in this mode, and the maximum output current ...
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LTC3528/LTC3528B APPLICATIONS INFORMATION The inductor current ripple is typically set for 20% to 40% of the maximum inductor current. High frequency ferrite core inductor materials reduce frequency depen- dent power losses compared to cheaper powdered iron types, improving efficiency. The ...
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TYPICAL APPLICATIONS 1 Cell to 1.8V 4.7µ OUT 0.88V TO 1.6V 4.7µF LTC3528 PGOOD FB SHDN OFF ON GND Dual 1 Cell to 1.8V, 3V Sequenced Supply 4.7µ 0.88V TO ...
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LTC3528/LTC3528B TYPICAL APPLICATIONS 1 Cell to 3.3V 4.7µ OUT 0.88V TO 1.6V 4.7µF LTC3528 FB PGOOD SHDN OFF ON GND 2 Cell to 3.3V 4.7µ OUT 1.8V TO ...
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TYPICAL APPLICATIONS 2 Cell to 5V 4.7µ OUT 1.8V TO 3.2V 4.7µF LTC3528 PGOOD FB SHDN OFF ON GND Li-Ion to 5V 4.7µ OUT 2.7V TO 4.2V 4.7µF ...
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LTC3528/LTC3528B PACKAGE DESCRIPTION 0.61 ±0.05 (2 SIDES) 2.55 ±0.05 1.15 ±0.05 0.25 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF NOTE: 1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE ...
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... Operations Shutdown section revised text; added Figure 1 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... SC-70 Package SD : 0. 3V, 3.3V or 5V, IN OUT(MAX) < 1µA, SC-70 Package SD : 0.85V to 5V 5.25V OUT(MAX) Q < 1µA, 2mm × 2mm DFN Package SD : 0.7V to 5.5V 5.25V 9µA, IN OUT(MAX 0111 REV D • PRINTED IN USA LINEAR TECHNOLOGY CORPORA TION 2007 3528fd ...