LM2716MT

PWM DC/DC Converter, TSSOP, -0.3V to 22V

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PartNumber:: LM2716MT

Brand:: National Semiconductor - NS | Pack: TSSOP | D/C: 08+

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Products Upload time: 2011-07-21

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Product Summary

The LM2716MT is composed of two PWM DC/DC converters. A buck (step-down) converter is used to generate a fixed output voltage. A boost (step-up) converter is used to generate an adjustable output voltage. Both converters of the LM2716MT feature low RDSON (0.16Ω and 0.12Ω) internal switches for maximum efficiency. Operating frequency can be adjusted anywhere between 300kHz and 600kHz allowing the use of small external components. External soft-start pins of the LM2716MT for each enables the user to tailor the soft-start times to a specific application. Each converter may also be shut down independently with its own shutdown pin. The LM2716MT is available in a low profile 24-lead TSSOP package.

Parametrics

LM2716MT absolute maximum ratings: (1)VIN -0.3V to 22V; (2)SW1 Voltage -0.3V to 22V; (3)SW2 Voltage -0.3V to 22V; (4)FB1 Voltage -0.3V to 7V; (5)FB2 Voltage -0.3V to 7V; (6)VC1 Voltage 1.75V ≤ VC1 ≤ 2.25V; (7)VC2 Voltage 0.965V ≤ VC2 ≤ 1.565V; (8)SHDN1 Voltage -0.3V to 7.5V; (9)SHDN2 Voltage -0.3V to 7.5V; (10)SS1 Voltage -0.3V to 2.1V; (11)SS2 Voltage -0.3V to 0.6V; (12)FSLCT Voltage AGND to 5V; (13)CB1 Voltage VIN + 7V (VIN = VSW); (14)Maximum Junction Temperature 150℃.

Features

LM2716MT features: (1)Fixed buck converter with a 1.8A, 0.16Ω, internal switch; (2)Adjustable boost converter with a 3.6A, 0.12Ω, internal; (3)switch; (4)Adjustable boost output voltage up to 20V; (5)Operating input voltage range of 4V to 20V; (6)Input undervoltage protection; (7)300kHz to 600kHz piadjustable operating frequency; (8)Over temperature protection; (9)Small 24-Lead TSSOP package; (10)Patented current limit circuitry.