Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
16-PowerSOIC (0.295, 7.50mm Width) |
Number of Pins |
16 |
Operating Temperature |
-20°C~85°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) |
240 |
Number of Functions |
4 |
Supply Voltage |
5V |
Terminal Pitch |
1.27mm |
Reach Compliance Code |
not_compliant |
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 |
A2557SLB Overview
As a result, it is packaged in the form of a Tube.This package is included in 16-PowerSOIC (0.295, 7.50mm Width).In this case, the LED driving board is mounted as Surface Mount.This switch is of type Relay, Solenoid Driver.To ensure reliable operation, set the temperature to -20°C~85°C TA.The LED driver has 4 outputs.The LED driving board is powered by a voltage of 4.75V~5.25V.A maximum output voltage of Bipolar volts can be obtained with this LED driver.As far as features are concerned, the LED driving board has Status Flag.It is a member of the A2557 family.There are 16 terminations in it.During operation, the 16 pins are used.As far as functions are concerned, the lighting driver has 4.In order to meet the operation criteria, the maximum output current drops to 500mA.The supply voltage of 5V is conducive to high efficiency.Surface Mount is mounted in the way.A total of 16 pins are present on it.When this case is used, the output current is set to 300mA.Self-contained in an econtainer with a capacity of Peripheral Drivers, this LED driver is self-contained.A maximum supply voltage of 5.25V is set in Vsup.This part is powered by 5V.
A2557SLB Features
Supplied from 5V
A2557SLB Applications
There are a lot of Allegro MicroSystems A2557SLB Power Switches ICs applications.
- Solid State Drivers
- USB Protection
- Wireless Headsets
- Storage Drives
- Hard Disk Drives
- Various applications equipped with buttons
- HDD and SSD
- Portable GPS Device
- USB Power Distribution
- Hot-Swap Systems