Details, datasheet, quote on part number: ADP1762ACPZ-R7
PartADP1762ACPZ-R7
Category
TitleLDO Voltage Regulators 2ALowVin VeryLow DO low noise high PSSR
Description

Analog Devices ADP176 CMOS Linear Regulators product line includes low noise, low dropout (LDO) linear regulators. The ADP176 regulators operate from a single input supply voltage as low as 1.10V and offer up to 3A of output current. The design of these regulators eliminates the requirement for an external bias supply to improve efficiency. ADP176's low dropout voltage enables the regulators to operate with minimal board space, maintain regulation, and improve efficiency. The regulators are optimized for stable operation with small 10F ceramic output capacitors. As a result, the ADP176 delivers optimal transient performance even with minimal board space. The devices are available in 0.9V -1.5V fixed output voltages. Designers can set the output of the adjustable output model from 0.5V-1.5V using an external resistor connected between VADJ and ground. The soft start time is externally programmable by connecting a capacitor to the SS pin. Short-circuit, as well as thermal overload protection circuits, prevent damage in the event of adverse conditions. The ADP176 Regulators are housed in a small 16-lead LFCSP package to provide a small footprint solution to meet the  requirements of a wide range of applications.



CompanyAnalog Devices
DatasheetDownload ADP1762ACPZ-R7 datasheet
  
ADP1762ACPZ-R7 photo

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ADP1761ACPZ-1.1-R7: LDO Voltage Regulators 1ALowVin VeryLow DO low noise high PSSR
ADP1761ACPZ-1.3-R7
ADP1761ACPZ-1.5-R7
ADP1761ACPZ-0.9-R7
ADP1763ACPZ-1.3-R7: LDO Voltage Regulators 3ALowVin VeryLow DO low noise high PSSR
ADP1763ACPZ-1.0-R7
ADP1762ACPZ-1.1-R7
ADP1762ACPZ-0.9-R7

 

Features, Applications
FEATURES

2 A maximum output current Low input voltage supply range VIN V, no external bias supply required Fixed output voltage range: VOUT_FIXED 1.5 V Adjustable output voltage range: VOUT_ADJ 1.5 V Ultralow noise: 2 V rms, to 100 kHz Noise spectral density 4 nV/Hz at 10 kHz 3 nV/Hz at 100 kHz Low dropout voltage: 62 mV typical 2 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 62 dB typical at 10 kHz 2 A load 46 dB typical at 100 kHz 2 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 F ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 3 mm LFCSP package

Device ADP1754/ ADP1755 Input Voltage 3.6 V Maximum Current 1.2 A Fixed/ Adjustable Fixed/adjustable Package 16-lead LFCSP 16-lead LFCSP 16-lead LFCSP 16-lead LFCSP 16-lead LFCSP

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

The 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 1.10 V, without the requirement of an external bias supply, to increase efficiency and provide A of output current. The low 62 mV typical dropout voltage 2 A load allows the ADP1762 to operate with a small headroom while maintaining regulation and providing better efficiency.

The ADP1762 is optimized for stable operation with small 10 F ceramic output capacitors. The ADP1762 delivers optimal transient performance with minimal board area. The ADP1762 is available in fixed output voltages ranging from 1.5 V. The output of the adjustable output model can be set from 1.5 V through an external resistor connected between VADJ and ground. The ADP1762 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 ADP1762 is available in a small 16-lead LFCSP package for the smallest footprint solution to meet a variety of applications.

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Features.............................................................................................. 1 Applications....................................................................................... 1 General Description......................................................................... 1 Typical Application Circuits............................................................ 1 Revision History............................................................................... 2 Specifications..................................................................................... 3 Input and Output Capacitor: Recommended Specifications. 4 Absolute Maximum Ratings............................................................ 5 Thermal Data................................................................................ 5 Thermal Resistance...................................................................... 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Typical Performance Characteristics............................................. 7 Theory of Operation...................................................................... 11

Soft Start Function..................................................................... 11 Adjustable Output Voltage........................................................ 12 Enable Feature............................................................................ 12 Power-Good (PG) Feature........................................................ 12 Applications Information.............................................................. 13 Capacitor Selection.................................................................... 13 Undervoltage Lockout............................................................... 14 Current-Limit and Thermal Overload Protection................. 14 Thermal Considerations............................................................ 14 PCB Layout Considerations...................................................... 17 Outline Dimensions....................................................................... 18 Ordering Guide.......................................................................... 18

0 to Rev. A Changes to Figure 23 and Figure 4/2016--Revision 0: Initial Version

VIN = VOUT V or VIN 1.1 V, whichever is greater, ILOAD = 10 mA, CIN = 10 F, COUT = 10 F, CREF = 1 F, CREG = 1 F, = 25C, Minimum and maximum limits to +125C, unless otherwise noted. Table 2.

Parameter INPUT VOLTAGE SUPPLY RANGE CURRENT Operating Supply Current Symbol VIN IGND Test Conditions/Comments to +125C ILOAD 0 A ILOAD 10 mA ILOAD 100 mA ILOAD EN = GND to +85C, VIN = (VOUT to 125C, VIN = (VOUT to 100 kHz, VIN 1.1 V, VOUT to 100 kHz, VIN 1.1 V, VOUT to 100 kHz, VIN 1.5 V, VOUT to 100 kHz, VIN 1.5 V, VOUT to 100 kHz, VIN 1.7 V, VOUT to 100 kHz, VIN 1.7 V, VOUT 1.5 V VOUT 1.5 V, ILOAD At 10 kHz At 100 kHz ILOAD 2 A, modulated VIN 10 kHz, VOUT 1.3 V, VIN V 100 kHz, VOUT 1.3 V, VIN V 1 MHz, VOUT 1.3 V, VIN V 10 kHz, VOUT 0.9 V, VIN V 100 kHz, VOUT 0.9 V, VIN V 1 MHz, VOUT 0.9 V, VIN = 25C VOUT_FIXED VOUT_ADJ VOUT %/V %/A ms A Min 1.10 Typ Max Unit A V rms V rms V rms V rms V rms V rms nV/Hz dB

ADJUSTABLE PIN CURRENT ADJUSTABLE OUTPUT VOLTAGE GAIN FACTOR REGULATION Line Regulation Load Regulation 2 DROPOUT VOLTAGE 3 START-UP TIME1, 4 SOFT START CURRENT CURRENT-LIMIT THRESHOLD 5

ILOAD = 100 mA, mA < ILOAD 2 A, VIN = (VOUT mA < ILOAD 2 A, VIN = (VOUT = 25C VIN = (VOUT = 25C VIN = (VOUT 1.98 V VIN = (VOUT 1.98 V ILOAD 2 A ILOAD = 100 mA, VOUT 1.2 V ILOAD 2 A, VOUT 1.2 V ILOAD = 10 nF, VOUT 1.1 V VIN 1.98 V


 

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