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| Categories | Discrete Semiconductor Devices | 
|---|---|
| Brand Name: | Analog Devices Inc. | 
| Model Number: | LTC7821IUH#TRPBF | 
| Certification: | ISO9001 | 
| Place of Origin: | China,GuangDong,ShenZhen | 
| MOQ: | >=5pcs | 
| Price: | $3.9 | 
| Payment Terms: | Escrow, L/C, D/A, D/P, T/T, Western Union, | 
| Supply Ability: | 20000 Acre/Acres per Day+pcs+1-2days | 
| Delivery Time: | 2-4work days | 
| Packaging Details: | Original factory sealed packing with standard types: tube,tray,tape and reel,box,bag packing. | 
| Description: | IC REG CTRLR BUCK HYBRID 32QFN | 
| Package / Case: | 32-WFQFN Exposed Pad | 
| Mounting Type: | Surface Mount | 
| Operating Temperature: | -40°C ~ 125°C (TJ) | 
| Voltage - Supply: | 10V ~ 72V | 
| Output Type: | Transistor Driver | 
| Product Status: | Active | 
| Base Product Number: | LTC7821 | 
| Company Info. | 
| STJK(HK) ELECTRONICS CO.,LIMITED | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
PRODUCT DESCRIPTION
The LTC®7821 uses a proprietary architecture that merges a soft switching charge pump topology with a synchronous step-down converter to provide superior efficiency and EMI performance compared to traditional switching architectures. In a typical 48V to 12V application, efficiency of greater than 97% is attainable with the LTC7821 switching at 500kHz. The same efficiency can only be achieved with a traditional controller switching at one-third the frequency. Higher switching frequencies allow the use of smaller inductances that yield faster transient response and smaller solution size. The LTC7821 can be easily paralleled to provide higher output currents with its accurate current sharing capability and frequency synchronization function.
PRODUCT PROPERTIES
| Product Status | Active | 
| Output Type | Transistor Driver | 
| Function | Step-Down | 
| Output Configuration | Positive | 
| Topology | Buck | 
| Number of Outputs | 1 | 
| Output Phases | 2 | 
| Voltage - Supply (Vcc/Vdd) | 10V ~ 72V | 
| Frequency - Switching | 200kHz ~ 1.5MHz | 
| Duty Cycle (Max) | 40% | 
| Synchronous Rectifier | No | 
| Clock Sync | No | 
| Serial Interfaces | - | 
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start,
Tracking | 
| Operating Temperature | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | 
| Package / Case | 32-WFQFN Exposed Pad | 
| Supplier Device Package | 32-QFN (5x5) | 
| Base Product Number | LTC7821 | 




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