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Solutions Search - LT8709 - Negative Input Synchronous Multi-Topology DC/DC Controller

DC2148A - LT8709EFE Demo Board | Negative Buck-Boost, -38V ≤ VIN ≤ -4.5V; VOUT = -12V @ 5A

Apr 3rd 2015
Demonstration circuit 2148A features the LT®8709, a negative input synchronous multi-topology DC/DC controller designed for negative input power supplies where the highest input supply voltage is ground. Examples of these circuits include negative buck, negative boost, negative buck-boost and negative inverting. The DC2148A ...

Demo Board LTspice 

 

LT8709 Negative Input Synchronous Multi-Topology DC/DC Controller - Video Product Brief

Bruce Haug - Product Marketing Engineer Mar 25th 2015
  The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with ...

Video 

 

LT8709 250kHz, –16V to –30V Input to –12V Output, Negative Buck Converter Delivers Up to 8.5A Output Current

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 200kHz, –4.5V to –42V Input to 5V/4A Output Negative Inverting Converter

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 400kHz, Negative Buck-Boost Converter Generates a –24V/2.5A Output from a –15V to –30V Input

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit 

 

LT8709 High Power 300kHz, Negative Boost Converter Generates a –12V/4.5A Output from a –4.5V to –9V Input

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 250kHz, Wide Input Range, Buck-Boost Converter Generates a –5V Output with Up to 7A Output Current

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit 

 

Negative Input (-4.5V to -80V) Synchronous Buck-Boost/Inverting DC/DC Controller Delivers up to 20A Output Current

Jan 22nd 2015
MILPITAS, CA - January 22, 2015 - Linear Technology Corporation announces the LT8709, a synchronous PWM controller for negative-to-negative or negative-to-positive DC/DC conversion. The LT8709 is unique in solving the problem of regulating a negative voltage with respect to system ground, without the need of complicated level ...

Press Release