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Linear Low Dropout (LDO) Regulator Solutions

Linear Low Dropout (LDO) Regulator Solutions
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Linear Low Dropout (LDO) Regulator Solutions - 1

Linear Low Dropout (LDO) Regulator Solutions High Performance Analog ICs rrunm TECHNOLOGY

Linear Low Dropout (LDO) Regulator Solutions - 2

Introduction We offer a broad line of high performance low dropout (LDO) linear regulators with fast transient response, excellent line and load regulation, and very wide input voltage range from 0.9V to 100V. Output currents range from 20mA to 10A, with positive, negative and multiple output versions available. Many devices offer output voltage operation <0.8V and some feature operation as low as 0V, even with a single supply. Most are stable with ceramic output capacitors. Our PNP-based linear regulators offer reverse-input, reverse-output, and reverse-current protection. Our LDO+™...

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Linear Low Dropout (LDO) Regulator Solutions - 3

LINEAR LDO REGULATOR SOLUTIONS High Voltage PNP Positive Linear Regulators PNP family features: • Rugged and Hard to Kill • Up to 80Vin Continuous Operation • Low Output Voltage Noise • Extensive Reverse Protection for Harsh Environments in Automotive, Avionics and Industrial Applications LT3013: 250mA, 4V to 80V Low Dropout Micropower Linear Regulator with PWRGD Dropout Voltage Part Number * Power Good f LDO+

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Linear Low Dropout (LDO) Regulator Solutions - 4

PNP Positive Linear Regulators LT3086 Actual Size Demo Board PNP family features: • Low Output Voltage Noise • Wide Voltage Range • Low Dropout Voltage LT3055 Actual Size Demo Board • Fast Transient Response and Extensive Reverse Protection • Precision Current Limits LT3086: 1.5A Rail-to-Rail, Low Dropout PNP Linear Regulator with Monitoring and Cable Drop Compensation TEMP TRACK IMON ILIM LT3055: 500mA Linear Regulator with Precision Current Limit and Diagnostics External Current Limit RIMAX = 604Ω 550 VIN = 6V RMON = 357 RWIRE = 0.24 RCDC = 46.4k *SEE APPLICATIONS INFORMATION FOR...

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Linear Low Dropout (LDO) Regulator Solutions - 5

LINEAR LDO REGULATOR SOLUTIONS *"A" Versions are stable with ceramic capacitors f Single-Resistor V0UT Set $ Power Good # Active Discharge § LDO+

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Linear Low Dropout (LDO) Regulator Solutions - 6

LINEAR LDO REGULATOR SOLUTIONS Micropower PNP Positive Linear Regulators Micropower PNP family features: • Sub-5|jA Quiescent Current • Good Output Noise Performance • Keep Alive, Real-Time Clock and Remote Monitoring Applications Dropout Voltage/Quiescent Current LT3007: 3pA IQ, 20mA, 45V Low Dropout Fault Tolerant Linear Regulator 3 8V TO^ J-1uF LT3009: 3^A Iq, 20mA Low Dropout Linear Regulator *FMEA Fault Tolerant version

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Linear Low Dropout (LDO) Regulator Solutions - 7

LINEAR LDO REGULATOR SOLUTIONS Dual Output PNP Linear Regulators Dual linear regulator family features: • Highly Compact Solution • All the Performance Features of our Single PNP Regulators • Ideal for Core/Logic Combinations LT3030: Dual 750mA/250mA Low Dropout, Low Noise Micropower Linear Regulator Demo Board Dropout Voltage vs Load Current Part Number * Power Good

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Linear Low Dropout (LDO) Regulator Solutions - 8

Single Resistor Set, Current Reference-Based NPN/PNP Positive Linear Regulators Second generation NPN family features: LT3081 Actual Size Demo Board • Operation Down to 0V Output • Direct Paralleling to Spread PCB Heat • Low Noise and Simplicity with a Single Resistor VOUT Set Capability • Always Operates in Unity-Gain LT3083 Actual Size Demo Board —— Bandwidth Independent of Output Voltage —— Output Noise Independent of Output Voltage —— Load Regulation Independent of Output Voltage LT3081: Wide Safe Operating Area (SOA) LT3081: 1.5A Single Resistor Rugged Linear Regulator with Monitors...

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Linear Low Dropout (LDO) Regulator Solutions - 9

LINEAR LDO REGULATOR SOLUTIONS lOmQ PCB Trace Ballast ^CONTROL! Part Number * Integrated Ballast Resistor * DD-Pak and TO-220 Packages * Dual-Supply Operation #Power Good § PNP pass transistor o LDO+ Part Number

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Linear Low Dropout (LDO) Regulator Solutions - 10

LINEAR LDO REGULATOR SOLUTIONS NPN Positive Linear Regulators First generation NPN positive linear regulator family: • Based on Classic 3-Terminal Architecture • Wide Input Voltage • Wide Output Voltage LT®1584/5A/7: Low Dropout Fast Response Positive Regulator Adjustable & Fixed Part Number * Dual-Supply Operation

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Linear Low Dropout (LDO) Regulator Solutions - 11

Very Low Dropout (VLDO) Positive Linear Regulators LT3022 Actual Size Demo Board VLDO™ regulator family features: LTC3025-x Actual Size Demo Board • Input Voltage Operation Down to 0.9V • Output Voltage Down to 0.2V • Typical Dropout Performance ≤ 150mV Enabling low VIN-to-VOUT Differential Applications Minimum Input Voltage 1.1 LT3022: 1A, 0.9V to 10V, Very Low Dropout Linear Regulator 0.9 MINIMUM INPUT VOLTAGE (V) LTC®3025-x: 500mA Positive Low Noise LDO Regulator BIAS 1.5V HIGH EFFICIENCY DC/DC BUCK VOUT = 1.2V IOUT ≤ 500mA REJECTION (dB) Part Number Dropout Voltage (V@IOUT) Noise...

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Linear Low Dropout (LDO) Regulator Solutions - 12

LINEAR LDO REGULATOR SOLUTIONS NMOS Positive Linear Regulators for Digital IC Power Our family of NMOS positive linear regulators has the performance demanded by modern high current, low voltage digital ICs: • Ultrafast Transient Response • Very Low Dropout Voltage • High Output Current • Low Output Voltage • Good Power Supply Rejection Ratio (PSRR) • VIOC—Control of Upstream Buck Regulator for VIN to VOUT Regulation across LT3070/71 * See Quick Start Guide for Vbias range HIGH- -.j-TflGHZ LOW LOW 1 FLOAT •/' FLOAT HIGH LOW FLOAT HIGH LOW FLOAT GND DEMO CIRCUIT 1433A GND l LT3070EUFD 5A...

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Linear Low Dropout (LDO) Regulator Solutions - 13

LINEAR LDO REGULATOR SOLUTIONS I 11 Negative Linear Regulators Rugged and hard to kill negative linear regulator family features: • Low Output Voltage Noise • Wide Voltage Range • Low Dropout Voltage • Reverse Output Protection LT3090: 36V, 600mA Negative Linear Regulator with Programmable Current Limit Part Number

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Linear Low Dropout (LDO) Regulator Solutions - 14

Linear Regulator Controllers LT3150 Actual Size Demo Board Linear regulator controller family features: • An Off-Board Power Device • Reduced On-Chip Power Dissipation • Spreads Heat More Evenly on a PC Board Transient Response for 0.1A to 4A Output Load Step LT3150: Fast Transient Response, Low Input Voltage, LDO Controller MBR0520L SW VIN1 SHDN1 IPOS INEG GATE FB2 COMP Transient Response for 0.2A to 5A Output Load Step LT1573: Low Dropout Regulator Controller CC 100pF FB GND VOUT = 1.265V (1 + R1/R2) FOR T < 45C, COUT1 = 24 x 1F Y5V CERAMIC SURFACE MOUNT CAPACITORS. FOR T > 45C, COUT1 =...

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