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EL7551

Features: Integrated synchronous MOSFETs and current mode ontroller1A continuous output currentUp to 95% efficiency4.5V to 5.5V input voltageAdjustable output from 1V to 3.8VCycle-by-cycle current limitPrecision reference±0.5% load and line regulationAdjustable switching frequency to 1.2MHzOscilla...

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SeekIC No. : 004335663 Detail

EL7551: Features: Integrated synchronous MOSFETs and current mode ontroller1A continuous output currentUp to 95% efficiency4.5V to 5.5V input voltageAdjustable output from 1V to 3.8VCycle-by-cycle current l...

EL7551 Data Sheet

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Part Number:
EL7551
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

Integrated synchronous MOSFETs and current mode ontroller
1A continuous output current
Up to 95% efficiency
4.5V to 5.5V input voltage
Adjustable output from 1V to 3.8V
Cycle-by-cycle current limit
Precision reference
±0.5% load and line regulation
Adjustable switching frequency to 1.2MHz
Oscillator synchronization possible
Internal soft start
Over temperature protection
Under voltage lockout
16-pin QSOP package


Application

The EL7551 is a fixed frequency, current mode controlled
DC:DC converter with integrated N-channel power
MOSFETs and a high precision reference. The device
incorporates all the active circuitry required to implement a
cost effective, user-programmable 1A synchronous stepdown
regulator suitable for use in DSP core power supplies.


Specifications

Supply Voltage between VIN or VDD and GND . . . . . . . . . . .. +6.5V
VLX Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VIN +0.3V
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V, VDD +0.3V
VHI Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V, VLX +6V
Storage Temperature . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
Operating Ambient Temperature . . . . . . . . . . . . . -40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . +135°


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