LTC3622EDE#PBF Multiple Output Buck Regulators by Analog Devices

Status: Production
Series: LTC3622
RoHS: Compliant
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The LTC3622 is a dual 1A output, high efficiency synchronous monolithic step-down regulator capable of operating from input supplies up to 17V. The switching frequency is fixed to 1MHz or 2.25MHz with a ±50% synchronization range to an external clock. The regulator features ultralow quiescent current and high efficiency over a wide output voltage range.The step-down regulators operate from an input voltage range of 2.7V to 17V and provide an adjustable output from 0.6V to VIN while delivering up to 1A of output current. A user-selectable mode input is provided to allow the user to trade off ripple noise for light load efficiency. Burst Mode® operation provides the highest efficiency at light loads, while pulse-skipping mode provides the lowest ripple noise. The switching regulators can be synchronized to an external clock. Furthermore, fixed VOUT options are available to eliminate the external feedback resistors.  LTC3622 Options Part Name Frequency VOUT LTC3622 1.00MHz Adjustable LTC3622-2 2.25MHz Adjustable LTC3622-23/5 2.25MHZ 5V/3.3V  

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Features

Dual Step-Down Outputs: 1A Per Channel
Wide VIN Range: 2.7V to 17V
Wide VOUT Range: 0.6V to VIN
Up to 95% Efficiency
No-Load IQ = 5μA with Both Channels Enabled; IQ < 4μA with Only One Channel Enabled
High Efficiency, Low Dropout Operation (100% Duty Cycle) 
Constant Frequency (1MHz/2.25MHz) with External Frequency Synchronization
±1% Output Voltage Accuracy
Current Mode Operation for Excellent Line and Load Transient Response
Phase Shift Programmable with External Clock
Selectable Current Limit
Internal Compensation and Soft-Start
Compact 14-Pin DFN (3mm × 4mm) and 16-Lead MSOP Packages


LTC3622EDE#PBF Semiconductors - ICs by Linear Technology

17V DUAL 1A SYNCHRONOUS STEP-DOWN R

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Input Voltage Min 2.7V
Input Voltage Max 17V
No. of Outputs 2 Output, 2Outputs
DC / DC Converter IC Case DFN
No. of Pins 14Pins
Output Current - Output 1 1A
Output Current - Output 2 1A
Output Voltage - Output 1 17V
Output Voltage - Output 2 17V
Regulator Output Type Adjustable
Switching Frequency 1MHz
Topology Synchronous Buck (Step Down)
Operating Temperature Max 125°C
Product Range -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Operating Temperature Min -40°C

Frequently Asked Questions

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The LTC3622EDE#PBF is listed under Multiple Output Buck Regulators.

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Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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