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LM2696

Features: `Input voltage range of 4.5V24V`Constant On-Time`No compensation needed`Maximum Load Current of 3A`Switching frequency of 100 kHz500 kHz`Constant frequency across input range`TTL compatible shutdown thresholds`Low standby current of 12 A`130 m internal MOSFET switchApplication·High effic...

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SeekIC No. : 004395003 Detail

LM2696: Features: `Input voltage range of 4.5V24V`Constant On-Time`No compensation needed`Maximum Load Current of 3A`Switching frequency of 100 kHz500 kHz`Constant frequency across input range`TTL compatibl...

LM2696 Data Sheet

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Part Number:
LM2696
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:

`Input voltage range of 4.5V24V
`Constant On-Time
`No compensation needed
`Maximum Load Current of 3A
`Switching frequency of 100 kHz500 kHz
`Constant frequency across input range
`TTL compatible shutdown thresholds
`Low standby current of 12 A
`130 m internal MOSFET switch


Application

·High efficiency step-down switching regulators
·LCD Monitors
·Set-Top Boxes


Pinout

Connection Diagram


Specifications

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Voltages from the indicated pins to GND
AVIN................................................. −0.3V to +26V
PVIN ......................................−0.3V to (AVIN+0.3V)
CBOOT............................................. −0.3V to +33V
CBOOT to SW .....................................−0.3V to +7V
FB, SD, SS, PGOOD .............................−0.3V to +7V
Storage Temperature Range .........−65 to +150
Junction Temperature ..................................+150
Lead Temperature
(Soldering, 10 sec.) ........................................260
Minimum ESD Rating...................................... 1.5 kV


Description

The LM2696 is a pulse width modulation (PWM) buck regulator capable of delivering up to 3A into a load. The control loop utilizes a constant on-time control scheme with input voltage feed forward. This provides a topology that has excellent transient response without the need for compensation. The input voltage feed forward ensures that a constant switching frequency is maintained across the entire VIN range.

The LM2696 is capable of switching frequencies in the range of 100 kHz to 500 kHz. Combined with an integrated 130 m high side NMOS switch the LM2696 can utilize small sized external components and provide high efficiency. An internal soft-start and power-good flag are also provided to allow for simple sequencing between multiple regulators. The LM2696 is available with an adjustable output in an exposed pad TSSOP-16 package.




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