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4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP

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4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP

Brand Name : Analog Devices Inc.

Model Number : LTC3780IG#TRPBF

Certification : ISO9001

Place of Origin : China,GuangDong,ShenZhen

MOQ : >=20pcs

Price : ￥0.99

Payment Terms : Escrow, L/C, D/A,

Supply Ability : 35000 Acre/Acres per Day+pcs+1-2days

Delivery Time : 1-3work days

Packaging Details : Original factory sealed packing with standard types: tube,tray,tape and reel,box,bag packing. Or request for your need.

Description : IC REG CTRLR BUCK-BOOST 24SSOP

Operating Voltage : 4V ~ 30V

Operating Temperature : 0°C ~ 70°C

Product Status : Active

-3db Bandwidth : 200kHz ~ 400kHz

Type : Transistor Driver

Package / Case : 24-SSOP

Base Product Number : LTC3780

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4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP

PRODUCT DESCRIPTION

The LTC®3780 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The constant frequency current mode architecture allows a phaselockable frequency of up to 400kHz.With a wide 4V to 30V (36V maximum) input and output range and seamless transfers between operating modes, the LTC3780 is ideal for automotive, telecom and battery-powered systems.


The operating mode of the controller is determined through the FCB pin. For boost operation, the FCB mode pin can select among Burst Mode® operation, discontinuous mode and forced continuous mode. During buck operation, the FCB mode pin can select among skip-cycle mode, discontinuous mode and forced continuous mode. Burst Mode operation and skip-cycle mode provide high efficiency operation at light loads while forced continuous mode and discontinuous mode operate at a constant frequency.


Fault protection is provided by an output overvoltage comparator and internal foldback current limiting. A power good output pin indicates when the output is within 7.5% of its designed set point.

PRODUCT PROPERTIES

Product Status
Active
Output Type
Transistor Driver
Function
Step-Up/Step-Down
Output Configuration
Positive
Topology
Buck-Boost
Number of Outputs
1
Output Phases
1
Voltage - Supply (Vcc/Vdd)
4V ~ 30V
Frequency - Switching
200kHz ~ 400kHz
Duty Cycle (Max)
99%
Synchronous Rectifier
Yes
Clock Sync
No
Serial Interfaces
-
Control Features
Current Limit, Enable, Power Good, Soft Start
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
24-SSOP (0.209", 5.30mm Width)
Supplier Device Package
24-SSOP
Base Product Number
LTC3780

4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP

4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP

4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP

4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP


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4V ~ 30V 200kHz ~ 400kHz Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 24-SSOP Images

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