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LM2716

Features: . Fixed buck converter with a 1.8A, 0.16Ω, internal switch. Adjustable boost converter with a 3.6A, 0.12Ω, internal switch. Adjustable boost output voltage up to 20V. Operating input voltage range of 4V to 20V. Input undervoltage protection. 300kHz to 600kHz pin adjustable op...

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SeekIC No. : 004395017 Detail

LM2716: Features: . Fixed buck converter with a 1.8A, 0.16Ω, internal switch. Adjustable boost converter with a 3.6A, 0.12Ω, internal switch. Adjustable boost output voltage up to 20V. Operating...

LM2716 Data Sheet

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Part Number:
LM2716
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

.  Fixed buck converter with a 1.8A, 0.16Ω, internal switch
.  Adjustable boost converter with a 3.6A, 0.12Ω, internal switch
.  Adjustable boost output voltage up to 20V
.  Operating input voltage range of 4V to 20V
.  Input undervoltage protection
.  300kHz to 600kHz pin adjustable operating frequency
.  Over temperature protection
.  Small 24-Lead TSSOP package
.  Patented current limit circuitry

 




Application

. TFT-LCD Displays
.  Handheld Devices
.  Portable Applications
.  Cellular Phones/Digital Camers


Pinout

Connection Diagram


Specifications

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN                                                              −0.3V to 22V
SW1 Voltage                                               −0.3V to 22V
SW2 Voltage                                               −0.3V to 22V
FB1 Voltage                                                   −0.3V to 7V
FB2 Voltage                                                   −0.3V to 7V
VC1 Voltage                                     1.75V VC1 2.25V
VC2 Voltage                                 0.965V VC2 1.565V
SHDN1 Voltage                                          −0.3V to 7.5V
SHDN2 Voltage                                          −0.3V to 7.5V
SS1 Voltage                                               −0.3V to 2.1V
SS2 Voltage                                               −0.3V to 0.6V
FSLCT Voltage                                               AGND to 5V
CB1 Voltage                                    VIN + 7V (VIN = VSW)
Maximum Junction Temperature                           150°C
Power Dissipation(Note 2)                   Internally Limited
Lead Temperature                                                300°C
Vapor Phase (60 sec.)                                          215°C
Infrared (15 sec.)                                                 220°C
ESD Susceptibility (Note 3)
Human Body Model                                                  2kV
Machine Model                                                       200V



Description

The LM2716 is composed of two PWM DC/DC converters. Abuck (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 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 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 LM2716 is available in a low profile 24-lead TSSOP package.




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