Datasheet for ADP1761:
- Manufacturer Part Number : ADP1761
- Manufacturer : AD
- Description : 1 A, Low VIN, Low Noise, CMOS Linear Regulator
- Series : ADP1761
- Reference Price : USD 2.472
- 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: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : ADP1761
- 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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- 1 A maximum output current
- Low input voltage supply range
- VIN = 1.10 V to 1.98 V, no external bias supply required
- Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V
- Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V
- Ultralow noise: 2 μV rms, 100 Hz to 100 kHz
- Noise spectral density
- 4 nV/√Hz at 10 kHz
- 3 nV/√Hz at 100 kHz
- Low dropout voltage: 30 mV typical at 1 A load
- Operating supply current: 4.5 mA typical at no load
- ±1.5% fixed output voltage accuracy over line, load, and temperature
- Excellent power supply rejection ratio (PSRR) performance
- 67 dB typical at 10 kHz at 1 A load
- 51 dB typical at 100 kHz at 1 A load
- Excellent load/line transient response
- Soft start to reduce inrush current
- Optimized for small 10 μF ceramic capacitors
- Current-limit and thermal overload protection
- Power-good indicator
- Precision enable
- 16-lead, 3 mm × 3 mm LFCSP package
The ADP1761 is a low noise, low dropout (LDO) linear regulator. It is designed to operate from a single input supply with an input voltage as low as 1.10 V, without the requirement of an external bias supply to increase efficiency and provide up to 1 A of output current.
The low 30 mV typical dropout voltage at a 1 A load allows the ADP1761 to operate with a small headroom while maintaining regulation and providing better efficiency. The ADP1761 is optimized for stable operation with small 10 μF ceramic output capacitors.
The ADP1761 delivers optimal transient performance with minimal board area.
The ADP1761 is available in fixed output voltages ranging from 0.9 V to 1.5 V. The output of the adjustable output model can be set from 0.5 V to 1.5 V through an external resistor connected between VADJ and ground.
The ADP1761 has an externally programmable soft start time by connecting a capacitor to the SS pin. Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADP1761 is available in a small 16-lead LFCSP package for the smallest footprint solution to meet a variety of applications.
Applications
- Regulation to noise sensitive applications such as radio frequency (RF) transceivers, analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, phase-locked loops (PLLs), voltage controlled oscillators (VCOs) and clocking integrated circuits
- Field-programmable gate array (FPGA) and digital signal processor (DSP) supplies
- Medical and healthcare
- Industrial and instrumentation
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.
