ADP1740 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADP1740
Manufacturer

ADI
ChipWorker Part#

CW430840512
RoHS

Lead free / RoHS Compliant
Description

2A, Low Dropout, CMOS Linear Regulator
Documentation

Datasheet

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ADP1740 Specifications

Attribute	Attribute Value

Part Number	ADP1740
Manufacturer	ADI
ChipWorker Part#	CW430840512
Documentation	Datasheet
	expand all
Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The ADP1740/ADP1741 are CMOS, low dropout linear regulators that operate from 1.6 V to 3.6 V and provide up to 2 A of output current. These low VIN / VOUT LDOs are ideal for regulation of nanometer FPGA geometries operating from 2.5V down to 1.8V I/O rails, and powering core voltages down to 0.75V. Using an advanced, proprietary architecture, the ADP1740/ADP1741 provide high power supply rejection ratio (PSRR) and low noise, and achieve excellent line and load transient response with only a small 4.7 μF ceramic output capacitor.
The ADP1740 is available in seven fixed output voltage options. The ADP1741 is an adjustable version that allows output voltages ranging from 0.75 V to 3.3 V via an external divider. The ADP1740/ADP1741 allow an external soft start capacitor to be connected to program the startup. A digital power-good output allows power system monitors to check the health of the output voltage.
The ADP1740/ADP1741 are available in a 16-lead, 4 mm × 4 mm LFCSP, making them not only very compact solutions, but also providing excellent thermal performance for applications that require up to 2 A of output current in a small, low profile footprint..
**Applications**
Server computers
Memory components
Telecommunications equipment
Network equipment
DSP/FPGA/microprocessor supplies
Instrumentation equipment/data acquisition systems
### Features and Benefits
Maximum output current: 2 A
Input voltage range: 1.6 V to 3.6 V
Low shutdown current: 2 μA
Low dropout voltage: 160 mV @ 2 A load
Initial accuracy: ±1%
Accuracy over line, load, and temperature: ±2%
7 fixed output voltage options with soft start:
0.75 V to 2.5 V (ADP1740)
Adjustable output voltage options with soft start: 0.75 V to 3.3 V (ADP1741)
High PSRR
65 dB @ 1 kHz
65 dB @ 10 kHz
54 dB @ 100 kHz
23 μV rms at 0.75 V output
Stable with small 4.7 μF ceramic output capacitor
Please see data sheet for additional features

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