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LM3495

ACTIVE

2.9-V to 18-V, emulated peak current mode buck controller

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TPS546A24A ACTIVE 2.95-V to 18-V, stackable 10-A synchronous SWIFT™ buck converter with pin-strapping and PMBus Upgraded PMBus and faster switching frequency.

LM3495

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Buck Iout (max) (A) 10 Vin (max) (V) 18 Vin (min) (V) 2.9 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Frequency synchronization, Tracking Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0018 Duty cycle (max) (%) 94
Rating Catalog Topology Buck Iout (max) (A) 10 Vin (max) (V) 18 Vin (min) (V) 2.9 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Features Enable, Frequency synchronization, Tracking Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0018 Duty cycle (max) (%) 94
TSSOP (PW) 16 32 mm² 5 x 6.4
  • Input Voltage from 2.9V to 18V
  • Output Voltage Adjustable from 0.6V to 5.5V
  • Feedback Accuracy: ±1%
  • Low-Side Sensing, Programmable Current Limit without Sense Resistor
  • Input Under Voltage Lockout
  • Hiccup Mode Current Limit Protection Eliminates Thermal Runaway During Fault Conditions
  • Internal Soft Start with Tracking Capability
  • 200 kHz to 1.5 MHz Switching Frequency, Synchronizable
  • On-Chip Gate Drivers
  • Soft Output Discharge During Shutdown
  • Startup into Output Pre-Bias
  • Operation from a Single Input Rail
  • Adaptive Duty Cycle Limit
  • TSSOP-16 Package

All trademarks are the property of their respective owners.

  • Input Voltage from 2.9V to 18V
  • Output Voltage Adjustable from 0.6V to 5.5V
  • Feedback Accuracy: ±1%
  • Low-Side Sensing, Programmable Current Limit without Sense Resistor
  • Input Under Voltage Lockout
  • Hiccup Mode Current Limit Protection Eliminates Thermal Runaway During Fault Conditions
  • Internal Soft Start with Tracking Capability
  • 200 kHz to 1.5 MHz Switching Frequency, Synchronizable
  • On-Chip Gate Drivers
  • Soft Output Discharge During Shutdown
  • Startup into Output Pre-Bias
  • Operation from a Single Input Rail
  • Adaptive Duty Cycle Limit
  • TSSOP-16 Package

All trademarks are the property of their respective owners.

The LM3495 is a PWM buck regulator which implements a unique emulated peak current mode control. This control method eliminates the switching noise which typically limits current mode operation at extremely short duty cycles and high operating frequency. The switching frequency is programmable between 200 kHz and 1.5 MHz, and can also be synchronized to an external clock. The LM3495 is also very fault tolerant with both switch node short, hiccup mode, and adaptive duty cycle limit protection. A 0.6V 1% reference and glitch free pre-biased start-up ensure the most demanding digital loads operate reliably. Internal soft start and the ability to track the output of another supply make the LM3495 versatile and efficient.

The LM3495 is a PWM buck regulator which implements a unique emulated peak current mode control. This control method eliminates the switching noise which typically limits current mode operation at extremely short duty cycles and high operating frequency. The switching frequency is programmable between 200 kHz and 1.5 MHz, and can also be synchronized to an external clock. The LM3495 is also very fault tolerant with both switch node short, hiccup mode, and adaptive duty cycle limit protection. A 0.6V 1% reference and glitch free pre-biased start-up ensure the most demanding digital loads operate reliably. Internal soft start and the ability to track the output of another supply make the LM3495 versatile and efficient.
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* Data sheet LM3495 Emulated Peak Current Mode Buck Controller for Low Output Voltage datasheet (Rev. F) 04 Apr 2013

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