All Products

A2557KEB

5V Bipolar 1.27mm PMIC A2557 28 Pin 5V 28-LCC (J-Lead)


  • Manufacturer: Allegro MicroSystems
  • Origchip NO: 26-A2557KEB
  • Package: 28-LCC (J-Lead)
  • Datasheet: PDF
  • Stock: 595
  • Description: 5V Bipolar 1.27mm PMIC A2557 28 Pin 5V 28-LCC (J-Lead) (Kg)

Purchase & Inquiry

Transport

Purchase

You may place an order without registering to Utmel.
We strongly suggest you sign in before purchasing as you can track your order in real time.

Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.

IMPORTANT NOTICE

1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:

FedEx International, 5-7 business days.

The following are some common countries' logistic time.
transport

Details

Tags

Parameters
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-LCC (J-Lead)
Number of Pins 28
Operating Temperature -40°C~125°C TA
Packaging Tube
Published 2009
JESD-609 Code e0
Feature Status Flag
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish TIN LEAD
Subcategory Peripheral Drivers
Terminal Position QUAD
Terminal Form J BEND
Peak Reflow Temperature (Cel) 240
Number of Functions 4
Supply Voltage 5V
Terminal Pitch 1.27mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number A2557
Pin Count 28
Number of Outputs 4
Qualification Status Not Qualified
Output Type Bipolar
Max Output Current 500mA
Supply Voltage-Max (Vsup) 5.25V
Power Supplies 5V
Interface On/Off
Nominal Supply Current 30mA
Output Configuration Low Side
Output Current 300mA
Voltage - Supply (Vcc/Vdd) 4.75V~5.25V
Input Type Non-Inverting
Switch Type Relay, Solenoid Driver
Output Current per Channel 300mA
Ratio - Input:Output 1:1
Voltage - Load 60V Max
Driver Number of Bits 4
Fault Protection Current Limiting (Fixed), Over Temperature
Turn On Time 10 μs
Output Peak Current Limit-Nom 0.5A
Turn Off Time 10 μs
Built-in Protections TRANSIENT; OVER CURRENT; THERMAL
Length 11.5062mm
Width 11.5062mm
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead

A2557KEB Overview


As you can see, it's packaged in the way of a Tube.It's included in the 28-LCC (J-Lead) package.This lighting drivere has a mounting type of Surface Mount.It owns the Relay, Solenoid Driver switch type.It is recommended to set the temperature to -40°C~125°C TA in order to ensure reliable operation.It is possible to use 4 outputs in the lighting driver.A voltage of 4.75V~5.25V is used to power it.There is a maximum output voltage of Bipolar volts.Status Flag features are available on the lighting driver.The A2557 family contains this object.The termination count is 28.During operation, the 28 pins are used.It has 4 functions.This operation requires the maximum output current to be decreased to 500mA.The supply voltage of 5V is conducive to high efficiency.As a result, it is mounted in the manner of Surface Mount.It is equipped with a total of 28 pins.It is set to 300mA in this case.The LED driver is packaged in an econtainer with a capacity of Peripheral Drivers.In this case, Vsup (maximum supply voltage) is set to 5.25V.This part has a power supply of 5V.

A2557KEB Features


Supplied from 5V

A2557KEB Applications


There are a lot of Allegro MicroSystems A2557KEB Power Switches ICs applications.

  • Gaming
  • Hot Swaps
  • Portable Music Players
  • Handheld Devices
  • Wireless Modem Data Cards
  • Smart Phones, Feature Phones
  • Wireless/Networking Cards
  • Telecom and Network Systems
  • Hot Swap
  • Portable GPS Device