Datasheet for DC1324A:
- Manufacturer Part Number : DC1324A
- Manufacturer : AD
- Description : Monolithic Fixed-Output 400mA Buck Regulator with Dual 150mA LDOs in 2mm x 2mm DFN IC
- Series : LTC3672B-1
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LTC3672BEDC-2 | Synch 400mA, 2.25MHz Step-Down DC/DC Reg w/ Dual 150mA LDOs
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1324A
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC3672B-1 is a triple power supply composed of a 400mA synchronous buck regulator and two 150mA low dropout linear regulators (LDOs), where one of the LDOs can be powered from the buck output to improve efficiency. Constant-frequency 2.25MHz operation is maintained down to very light loads. The input supply range of 2.9V to 5.5V is especially well-suited for single-cell Lithium-Ion and Lithium-Polymer applications, and for powering low voltage ASICs from 3.3V or 5V rails.
The LTC3672B-1 regulates 1.8V at the buck output, 1.2V at the LDO1 output, and 2.8V at the LDO2 output. External component count is minimal—all that is needed is a single inductor, an input capacitor, and output capacitors for each of the three outputs. Control loop compensation is internal to the LTC3672B-1.
The LTC3672B-1 is available in a 2mm x 2mm x 0.75mm 8-Lead DFN package.
| Buck Vout | LDO 1 | LDO 2 | |
| LTC3672B-1 | 1.8V | 1.2V | 2.8V |
| LTC3672B-2 | 1.2V | 2.8V | 1.8V |
Applications
- DMB Cellphones
- Handheld Products (PDA, PMP, GPS)
- Multivoltage Power for Digital Logic, I/O, FPGAs, CPLDs, ASICs, CPUs, and RF Chipsets
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
