LTC3528BEDDB-2#TRPBF Linear Technology, LTC3528BEDDB-2#TRPBF Datasheet
LTC3528BEDDB-2#TRPBF
Specifications of LTC3528BEDDB-2#TRPBF
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LTC3528BEDDB-2#TRPBF Summary of contents
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... The LTC3528B-2 is offered in an 8-lead 2mm × 3mm × 0.75mm DFN package. L, LT, LTC, LTM, 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. V OUT 3 ...
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... ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL LTC3528BEDDB-2#PBF LTC3528BEDDB-2#TRPBF LDPB 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: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www ...
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ELECTRICAL CHARACTERISTICS junction 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 ...
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LTC3528B-2 TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current and V for V = 1.8V OUT 100 90 EFFICIENCY 0 LOAD CURRENT (mA) Efficiency vs Load Current and V for ...
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TYPICAL PERFORMANCE CHARACTERISTICS Oscillator Frequency Change vs V OUT 0.50 0.25 0 –0.25 –0.50 –0.75 –1.00 –1.25 –1.50 –1.75 –2.00 –2.25 1.5 2 2.5 3 3.5 4 4.5 V (V) OUT 35282 G12 R Change vs Temperature DS(ON ...
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LTC3528B-2 TYPICAL PERFORMANCE CHARACTERISTICS Load Step Response (3.6V to 5V) V OUT 100mV/DIV LOAD CURRENT 200mA/DIV V = 3.6V 20µs/DIV OUT C = 10µF OUT L = 2.2µH LOAD CURRENT = 100mA TO 550mA PIN FUNCTIONS ...
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BLOCK DIAGRAM 4.7µF SHDN 1 SHUTDOWN 4M V REF UVLO START-UP PGOOD – FB THERMAL SHUTDOWN PGND 6 L1 2.2µ ANTI-RING V OUT V SEL ...
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LTC3528B-2 OPERATION (Refer to Block Diagram) The LTC3528B 2MHz synchronous boost converter housed in an 8-lead 3mm × 2mm DFN package. With the ability to start-up and operate from inputs less than 0.88V, the device features fixed frequency, ...
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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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LTC3528B-2 APPLICATIONS INFORMATION V > V OPERATION IN OUT The LTC3528B-2 maintains 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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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 dependent power losses compared to cheaper powdered iron types, improving efficiency. The inductor should ...
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LTC3528B-2 TYPICAL APPLICATIONS 1 Cell to 1.8V 2.2µ OUT 0.88V TO 1.6V 4.7µF LTC3528B-2 FB PGOOD SHDN OFF ON GND Dual 1 Cell to 1.8V, 3V Sequenced Supply 2.2µ 0.88V ...
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TYPICAL APPLICATIONS 1 Cell to 3.3V 2.2µ OUT 0.88V TO 1.6V 4.7µF LTC3528B-2 PGOOD FB SHDN OFF ON GND 2 Cell to 3.3V 2.2µ OUT 1.8V TO 3.2V ...
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LTC3528B-2 TYPICAL APPLICATIONS 14 2 Cell to 5V 2.2µ OUT 1.8V TO 3.2V 4.7µF LTC3528B-2 FB PGOOD OFF ON SHDN GND Efficiency 100 1.8V IN ...
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TYPICAL APPLICATIONS 2.7V TO 4.2V Li-Ion to 5V 2.2µ OUT 4.7µF LTC3528B-2 1M PGOOD FB SHDN OFF ON 316k GND 35282 TA07a Efficiency 100 2.8V ...
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LTC3528B-2 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 section update Pin 9 to read GND Operations section update to Shutdown 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. LTC3528B-2 ...
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... V = 38V 65µA, IN OUT(MAX 1.8V to 5.5V 5.25V 45µA, IN OUT(MAX 0.85V to 5V 5.25V 9µA, IN OUT(MAX 0. 5.25V 12µA, IN OUT(MAX 0.7V to 5.5V 5.25V 12µA, IN OUT(MAX 0. 5.25V 30µA, IN OUT(MAX) Q 3528b2fa LT 0111 REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORA TION 2008 ...