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300kHz, 4.5V to 25V Input to –5V Output Delivers Up to 7A Output Current
Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...
300kHz, SuperCap Backup Power
Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...
300kHz, –5V to 5V Output Cleanly Transitions Through 0V with 3A Source and Sink Capability
Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...
300kHz, 3A Sealed Lead Acid Battery Charger with an Optional Negative Temp-Co Bulk and Float Battery Voltage
Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...
200kHz, Wide Input Range SEPIC Converter Generates a 5V Output with Up to 5A Output Current
Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...
Wireless Power Receiver and 400mA Buck Battery Charger
Jan 3rd 2014
The LTC®4120 is a constant-current/constant-voltage wireless receiver and battery charger. An external programming resistor sets the charge current up to 400mA. The programmable float voltage of the LTC4120 accommodates several battery chemistries. The LTC4120 uses a Dynamic Harmonization Control (DHC) technique that allows ...
Remote Sensor Application Using Thermal Energy Harvesting to Extend Primary Battery Life
Jan 3rd 2014
The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as TEGs (Thermoelectric Generators) and thermopiles. The step-up topology operates from input voltages ...
Thermopile-Powered Battery Life Extender
Jan 3rd 2014
The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as TEGs (Thermoelectric Generators) and thermopiles. The step-up topology operates from input voltages ...
3.6V Solar Powered Battery Life Extender Works from Indoor Lighting
Jan 3rd 2014
The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as TEGs (Thermoelectric Generators) and thermopiles. The step-up topology operates from input voltages ...
Dual Input Harvester Utilizes Thermal and Solar Energy
Jan 3rd 2014
The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as TEGs (Thermoelectric Generators) and thermopiles. The step-up topology operates from input voltages ...
Battery Life Extender Utilizing Scavenged 60Hz AC
Jan 3rd 2014
The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as TEGs (Thermoelectric Generators) and thermopiles. The step-up topology operates from input voltages ...
Thermal Harvester for Higher VIN Applications, Using External Rectifiers
Jan 3rd 2014
The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as TEGs (Thermoelectric Generators) and thermopiles. The step-up topology operates from input voltages ...
TEG Powered Thermal Harvester with Primary Cell Life Extender
Jan 3rd 2014
The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as TEGs (Thermoelectric Generators) and thermopiles. The step-up topology operates from input voltages ...
DDR Termination with Ratiometric Tracking of VDD, 1MHz
Jan 3rd 2014
The LTC®3612 is a low quiescent current monolithic synchronous buck regulator using a current mode, constant frequency architecture. The no-load DC supply current in sleep mode is only 70μA while maintaining the output voltage (Burst Mode operation) at no load, dropping to zero current in shutdown. The 2.25V to 5.5V ...
Telecom Voltage Stabilizer
Jan 3rd 2014
The LT8705 is a high performance buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage. The part has integrated input current, input voltage, output current and output voltage feedback loops. With a wide 2.8V to 80V input and 1.3V to 80V output range, the LT8705 ...
Battery Disconnect to Protect Against Deep Discharge
Jan 3rd 2014
The LTC®2960 is a nano-current, high voltage two-input voltage monitor, ideally suited for multicell battery applications. External resistive dividers configure custom comparator thresholds. The supervisory circuit monitors the ADJ input and pulls the RST output low when the input drops below threshold. A reset timeout ...
Automotive Supervisor
Jan 3rd 2014
The LTC®2960 is a nano-current, high voltage two-input voltage monitor, ideally suited for multicell battery applications. External resistive dividers configure custom comparator thresholds. The supervisory circuit monitors the ADJ input and pulls the RST output low when the input drops below threshold. A reset timeout ...
Window Comparator for High Voltage Input
Jan 3rd 2014
The LTC®2960 is a nano-current, high voltage two-input voltage monitor, ideally suited for multicell battery applications. External resistive dividers configure custom comparator thresholds. The supervisory circuit monitors the ADJ input and pulls the RST output low when the input drops below threshold. A reset timeout ...
Micropower Power Supply Sequencer and Supervisor
Jan 3rd 2014
The LTC®2960 is a nano-current, high voltage two-input voltage monitor, ideally suited for multicell battery applications. External resistive dividers configure custom comparator thresholds. The supervisory circuit monitors the ADJ input and pulls the RST output low when the input drops below threshold. A reset timeout ...
Li-Ion Battery and Regulator Monitor
Jan 3rd 2014
The LTC®2960 is a nano-current, high voltage two-input voltage monitor, ideally suited for multicell battery applications. External resistive dividers configure custom comparator thresholds. The supervisory circuit monitors the ADJ input and pulls the RST output low when the input drops below threshold. A reset timeout ...
Gain of 100 High Voltage Difference Amplifier with –5V/75V Common Mode Range
Jan 3rd 2014
The LT®6015/LT6016/LT6017 are single/dual/quad rail-torail input operational amplifiers with input offset voltage trimmed to less than 50μV. These amplifiers operate on single and split supplies with a total voltage of 3V to 50V and draw only 315μA per amplifier. They are reverse battery protected, drawing very little ...
Wide Input Range Current Sense Amp Goes Hi-Z When VSUPPLY Removed
Jan 3rd 2014
The LT®6015/LT6016/LT6017 are single/dual/quad rail-torail input operational amplifiers with input offset voltage trimmed to less than 50μV. These amplifiers operate on single and split supplies with a total voltage of 3V to 50V and draw only 315μA per amplifier. They are reverse battery protected, drawing very little ...
Extended Supply Current Boosted Gain of Three Amplifier Drives 100Ω Load to ±30V, with 600mA Current Limit
Jan 3rd 2014
The LT®6015/LT6016/LT6017 are single/dual/quad rail-torail input operational amplifiers with input offset voltage trimmed to less than 50μV. These amplifiers operate on single and split supplies with a total voltage of 3V to 50V and draw only 315μA per amplifier. They are reverse battery protected, drawing very little ...
3.3V Backup from a High Voltage Capacitor Bank Runs Down to VIN = 2V with 500mA Load
Dec 17th 2013
The LTC3111 is a fixed frequency, synchronous buckboost DC/DC converter with an extended input and output range. The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage. With an input and output range of 2.5V to 15V, the LTC3111 ...
Wire Drop Compensation Circuit if V+ of LT6110 is <2V
Dec 17th 2013
The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance in a wire, trace or cable. The LT6110 monitors load current ...
LT6110 with External RSENSE and LTC3789 Buck-Boost Regulator at 12V
Dec 17th 2013
The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance in a wire, trace or cable. The LT6110 monitors load current ...
LT6110 with Internal RSENSE and LT3975 Buck Regulator at 3.3V
Dec 17th 2013
The LT®6110 is a precision high side current sense with a current mode output, designed for controlling the output voltage of an adjustable power supply or voltage regulator. This can be used to compensate for drops in voltage at a remote load due to resistance in a wire, trace or cable. The LT6110 monitors load current ...
Using the LT3081 as a Current Source
Dec 17th 2013
The LT®3081 is a 1.5A low dropout linear regulator designed for rugged industrial applications. Key features of the IC are the extended safe operating area (SOA), output current monitor, temperature monitor and programmable current limit. The LT3081 can be paralleled for higher output current or heat spreading. The device ...
Using IMON to Compensate for Cable Drops
Dec 17th 2013
The LT®3081 is a 1.5A low dropout linear regulator designed for rugged industrial applications. Key features of the IC are the extended safe operating area (SOA), output current monitor, temperature monitor and programmable current limit. The LT3081 can be paralleled for higher output current or heat spreading. The device ...
5V, 2.1A USB Supply with Cable Drop Compensation
Dec 17th 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...
Paralleling Two Regulators for 5V, 4.2A with Cable Drop Compensation (CDC)
Dec 17th 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...
Load Current Monitoring Using Power Good
Dec 17th 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...
Adjustable Voltage Controlled Current Source
Dec 17th 2013
The LT®3086 is a multi-feature, low dropout, low noise 2.1A linear regulator that operates over a 1.4V to 40V input supply range. Dropout voltage at 2.1A is typically 330mV. One resistor sets output voltage from 0.4V to 32V. Output voltage tolerance is guaranteed to ±2% over line, load and temperature. The LT3086 ...
12V Input to 1.0V, 1.5V and 3.3V at 10A Buck Regulator
Nov 27th 2013
The LTM4633 μModule® (micromodule) regulator combines three complete 10A switching mode DC/DC converters into one small package. Included in the package are the switching controllers, power FETs, inductors, and most support components. The LTM4633’s three regulators operate from 4.7V to 16V input rail(s) or 2.375V ...
Multicell Battery Gas Gauge with Temperature, Voltage and Current Measurement
Nov 27th 2013
The LTC2943 measures battery charge state, battery voltage, battery current and its own temperature in portable product applications. The wide input voltage range allows use with multicell batteries up to 20V. A precision coulomb counter integrates current through a sense resistor between the battery’s positive terminal ...
4V to 42Vin to 48V@1.4A Boost Converter
Nov 27th 2013
The LT8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...
2.8V to 32Vin to 5V@2.9A Isolated Flyback Converter
Nov 27th 2013
The LT8302 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...
Adjustable APD Bias Supply
Nov 8th 2013
The LT3905 is a fixed frequency current-mode step-up converter designed to bias avalanche photodiodes (APD) in optical receivers. The LT3905 features high side APD current monitoring over five decades of dynamic range with better than 2% relative accuracy over the 3μA to 3mA range. ...
Wide Output Range Constant Current APD Driver
Nov 8th 2013
The LT3905 is a fixed frequency current-mode step-up converter designed to bias avalanche photodiodes (APD) in optical receivers. The LT3905 features high side APD current monitoring over five decades of dynamic range with better than 2% relative accuracy over the 3μA to 3mA range.
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LT6105 Current Sense Amplifier Monitors Both +15V and -15V Supplies
Nov 8th 2013
The input common mode range of the LT6105 also makes it suitable for monitoring either positive or negative supplies. The circuit below shows one LT6105 applied as a simple positive supply monitor, and another LT6105 as a simple negative supply monitor. Note that the schematics are practically identical and both have outputs ...
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