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ANALOG DEVICES LTC1772ES6#TRMPBF
DC/DC Controller, Buck, 2.5 to 9.8V Supply, 1 Output, 100% Duty Cycle, 550kHz, TSOT-23-6
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC1772ES6#TRMPBF
- Order Code:
- 4033858
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- Technical Datasheet:
- LTC1772ES6#TRMPBF Datasheet
- ECAD / MCAD
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Product Overview
LTC1772 is a constant frequency current mode stepdown DC/DC controller providing excellent AC and DC load and line regulation. This device incorporates an accurate undervoltage lockout feature that shuts down the device when the input voltage falls below 2V. For applications where efficiency is a prime consideration, this device is configured for Burst Mode operation, which enhances efficiency at low output current. To further maximize the life of a battery source, the external P-channel MOSFET is turned on continuously in dropout (100% duty cycle). In shutdown, the device draws a mere 8µA. High constant operating frequency of 550KHz allows the use of a small external inductor. It is widely used in application such as one or two lithium-ion-powered applications, cellular telephones, wireless modems, portable computers, distributed 3.3V, 2.5V or 1.8V power systems, scanners etc.
- High output currents easily achieved
- Wide VIN range is 2.5V to 9.8V
- 0.8V reference allows low output voltages
- Current mode operation for excellent line and load transient response
- Low quiescent current is 270µA typical at ( 2.4V ≤ VIN ≤ 9.8V)
- ±2.5% reference accuracy
- Peak current sense voltage is 20mV typical at (TA = 25°C, VIN = 4.2V)
- Output voltage line regulation is 0.05mV/V typical at (2.4V ≤ VIN ≤ 9.8V)
- Output voltage load regulation is 2.5mV/µA typical at ( ITH/RUN sinking 5µA, TA = 25°C)
- Operating temperature is -40°C to 85°C, package style is 6-lead plastic SOT-23
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- :
- Current Mode Control
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- 2.5V
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- 9.8V
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- 1Outputs
- :
- 100%
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- TSOT-23
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- 6Pins
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- 550kHz
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- Buck (Step Down)
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- -40°C
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- 125°C
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- -
- :
- -
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- MSL 1 - Unlimited
Technical Documents (1)
Packaging type
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498 deliver in 3-4 business days from our UK warehouse
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¥865.26
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¥951.79
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| 10+ | ¥714.78 (¥786.26) | ( ) |
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| 100+ | ¥639.54 (¥703.49) | ( ) |
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| 500+ | ¥567.44 (¥624.18) | ( ) |
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