Datasheet for DC1180A:
- Manufacturer Part Number : DC1180A
- Manufacturer : AD
- Description : Dual Synchronous, 800mA, 2.25MHz Step-Down DC/DC Regulator IC
- Series : LTC3407-4
- 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 : LTC3407AEDD Demo Board | (DFN) 2.5 = VIN = 5.5V, Vout1 = 1.2V/1.5V/1.8V @ 0.6A, Vout2 = 2.5V/3.3V @ 0.6A
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1180A
- 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 LTC3407-4 is a dual, constant frequency, synchronous step down DC/DC converter. Intended for low power applications, it operates from 2.5V to 5.5V input voltage range and has a constant 2.25MHz switching frequency, allowing the use of tiny, low cost capacitors and inductors with a profile ≤1mm. Each output voltage is adjustable from 0.6V to 5V. Internal synchronous 0.35Ω, 1.2A power switches provide high efficiency without the need for external Schottky diodes.
A user selectable mode input is provided to allow the user to trade-off noise ripple for low power efficiency. Burst Mode® operation provides high efficiency at light loads, while Pulse Skip Mode provides low noise ripple at light loads.
To further maximize battery life, the P-channel MOSFETs are turned on continuously in dropout (100% duty cycle), and both channels draw a total quiescent current of only 40µA. In shutdown, the device draws <1µA.
The LTC3407-4 is identical to the LTC3407-2 except for the reduced power-on reset delay time.
| Iout | Fsw | Features | |
| LTC3407 | 2x 600mA | 1.5MHz | |
| LTC3407-2 | 2x 800mA | 2.25MHz | |
| LTC3407-3 | 2x 800mA | 2.25MHz | Fixed 1.8V/3.3V |
| LTC3407-4 | 2x 800mA | 2.25MHz | Reduced POR Delay |
| LTC3407A | 2x 600mA | 1.5MHz | Low Ripple Burst Mode |
| LTC3407A-2 | 2x 800mA | 2.25MHz | Low Ripple Burst Mode |
Applications
- PDAs/Palmtop PCs
- Digital Cameras
- Cellular Phones
- Portable Media Players
- PC Cards
- Wireless and DSL Modems
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.
