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ANALOG DEVICES LTC3633EUFD#TRPBF
DC/DC Switching Regulator, Synchronous Buck, 2 Output, 3.6 V to 15 V in, 3A out, 4MHz, QFN-EP-28
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC3633EUFD#TRPBF
- Order Code:
- 4029246
- Technical Datasheet:
- LTC3633EUFD#TRPBF Datasheet
- ECAD / MCAD
-
Product Overview
LTC®3633 is a high efficiency, dual-channel monolithic synchronous buck regulator using a controlled on-time, current mode architecture, with phase lockable switching frequency. The two channels can run 180° out of phase, which relaxes the requirements for input and output capacitance. The operating supply voltage range is from 3.6V to 15V, making it suitable for dual cell lithium-ion batteries as well as point of load power supply applications from a 12V or 5V supply. The unique constant frequency/controlled on-time architecture is ideal for high step-down ratio applications that operate at high frequency while demanding fast transient response. An internal phase lock loop servos the on-time of the internal one-shot timer to match the frequency of the internal clock or an applied external clock. Typical applications are distributed power systems, battery powered instruments, point of load power supplies.
- Operating frequency is programmable and synchronizable from 500KHz to 4MHz with an external resistor
- High frequency capability allows the use of small surface mount inductors and capacitors
- Up to 95% efficiency, low duty cycle operation is 5% at 2.25MHz
- Selectable 0°/180° phase shift between channels, power good status outputs
- Current mode operation for excellent line and load transient response
- 0.6V reference allows low output voltages
- Output voltage tracking and soft-start capability, short-circuit protected
- Overvoltage input and overtemperature protection, low power 2.5V linear regulator output
- 28-lead plastic QFN package
- Temperature rating range from -40°C to 125°C
Product Information
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- :
- 2 Output
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- 3.6V
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- 15V
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- QFN-EP
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- 28Pins
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- 3A
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- 3A
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- -
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- -
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- Adjustable
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- 4MHz
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- Synchronous Buck (Step Down)
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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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Rs.875.05
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