Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
16-PowerSOIC (0.295, 7.50mm Width) |
Number of Pins |
16 |
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 |
16 |
ECCN Code |
EAR99 |
Terminal Finish |
Tin/Lead (Sn/Pb) |
Subcategory |
Peripheral Drivers |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
245 |
Number of Functions |
4 |
Supply Voltage |
5V |
Terminal Pitch |
1.27mm |
Reach Compliance Code |
unknown |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
A2557 |
Pin Count |
16 |
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 |
Height Seated (Max) |
2.65mm |
Length |
10.3mm |
Width |
7.5mm |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
A2557KLB Overview
It is packaged in the manner of a Tube.Package 16-PowerSOIC (0.295, 7.50mm Width) contains it.The mounting type of the LED driver is Surface Mount.A Relay, Solenoid Driver switch type is owned by it.It is best to set the temperature to -40°C~125°C TA to ensure reliable operation.It is possible to use 4 outputs in the lighting driver.Operation is based on a supply voltage of 4.75V~5.25V.It has a maximum output voltage of Bipolar volts.In terms of features, the LED driving board has Status Flag.The A2557 family contains this object.A total of 16 terminations can be found in it.The operation is performed through the 16 pins.There are 4 functions of the LED driver.This results in the maximum output current dropping to 500mA to meet the operation criteria.As long as the supply voltage is 5V, high efficiency can be achieved.This lighting driver is mounted in the way of Surface Mount.This LED driver is equipped with a total of 16 pins.The output current is set to 300mA in this case.A self-contained container with a capacity of Peripheral Drivers contains this lighting driver.This LED driver is configured to have a maximum supply voltage of 5.25V (Vsup).A 5V power supply is used by the part.
A2557KLB Features
Supplied from 5V
A2557KLB Applications
There are a lot of Allegro MicroSystems A2557KLB Power Switches ICs applications.
- Portable Video Game Players
- Portable GPS
- Hot Swap
- Hot Swaps
- Mobile Communication Devices
- Solid State Drivers
- USB Protection
- PC Cards
- USB Ports/Hubs
- Hot-Swap Systems