Datasheet for DC1434A:
- Manufacturer Part Number : DC1434A
- Manufacturer : AD
- Description : 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator IC
- Series : LT3070-1
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : LDO Linear Regulators
- Function : Positive Linear Regulators (LDO)
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LT3071EUFD Demo Board | 5A, Low Noise, Digitally Prog Output, 85mV Dropout Linear Regulator, Analog Margining, 1.32V = VIN = 3V, Vout = 0.8V to 1.8V @ 5A
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1434A
- 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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- Output Current: 5A
- Dropout Voltage: 85mV Typical
- Enable Function Soft-Starts the Reference
- Digitally Programmable VOUT : 0.8V to 1.8V
- Digital Output Margining: ±1%, ±3% or ±5%
- Low Output Noise: 25μVRMS (10Hz to 100kHz)
- Parallel Multiple Devices for 10A or More
- Precision Current Limit: ±20%
- ±1% Accuracy Over Line, Load and Temperature
- Stable with Low ESR Ceramic Output Capacitors (15μF Minimum)
- High Frequency PSRR: 30dB at 1MHz
- VIOC Pin Controls Buck Converter to Maintain Low Power Dissipation and Optimize Efficiency
- PWRGD/UVLO/Thermal Shutdown Flag
- Current Limit with Foldback Protection
- Thermal Shutdown
- 28-Lead (4mm × 5mm × 0.75mm) QFN Package
The LT3070-1 is a low voltage, Ultrafast™ transient response linear regulator. The device supplies up to 5A of output current with a typical dropout voltage of 85mV. A 0.01μF reference bypass capacitor decreases output voltage noise to 25μVRMS. The LT3070-1 EN pin controls the reference soft-start behavior in comparison to the LT3070 which controls the reference soft-start via the BIAS pin supply voltage. The LT3070-1’s high bandwidth permits the use of low ESR ceramic capacitors, saving bulk capacitance and cost. The LT3070-1’s features make it ideal for high performance FPGAs, microprocessors or sensitive communication supply applications.
Output voltage is digitally selectable in 50mV increments over a 0.8V to 1.8V range. A margining function allows the user to adjust system output voltage in increments of ±1%, ±3% or ±5%. The IC incorporates a unique tracking function to control a buck regulator powering the LT3070-1’s input. This tracking function drives the buck regulator to maintain the LT3070-1’s input voltage to VOUT + 300mV, minimizing power dissipation.
Internal protection includes UVLO, reverse-current protection, precision current limiting with power foldback and thermal shutdown. The LT3070-1 regulator is available in a thermally enhanced 28-lead, 4mm × 5mm QFN package.
Applications
- FPGA and DSP Supplies
- ASIC and Microprocessor Supplies
- Servers and Storage Devices
- Post Buck Regulation and Supply Isolation
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
