Parameters |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
16 |
ECCN Code |
EAR99 |
Terminal Finish |
Matte Tin (Sn) |
Subcategory |
Peripheral Drivers |
Terminal Position |
DUAL |
Number of Functions |
4 |
Supply Voltage |
5V |
Reach Compliance Code |
unknown |
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) |
5.33mm |
Length |
19.05mm |
Width |
7.62mm |
RoHS Status |
ROHS3 Compliant |
Mount |
Through Hole |
Mounting Type |
Through Hole |
Package / Case |
16-PowerDIP (0.300, 7.62mm) |
Number of Pins |
16 |
Operating Temperature |
-20°C~85°C TA |
Packaging |
Tube |
Published |
2009 |
JESD-609 Code |
e3 |
Feature |
Status Flag |
A2557SB-T Overview
The package is in the form of a Tube.In the 16-PowerDIP (0.300, 7.62mm) package, it is included.In this case, the LED driving board is mounted as Through Hole.It owns Relay, Solenoid Driver switch type.It is recommended to set the temperature to -20°C~85°C TA in order to ensure reliable operation.By default, it is set to output 4.To operate, it needs a supply voltage of 4.75V~5.25V.The maximum output voltage of this LED driver is Bipolar volts.In terms of features, the LED driving board has Status Flag.There is a A2557 family of things that it belongs to.It consists of 16 terminations in total.The operation is carried out using the 16 pins.It is important to note that the LED driving board has 4 functions.This operation requires the maximum output current to be decreased to 500mA.The supply voltage can be 5V for high efficiency.It is positioned in the direction of Through Hole.The LED driving board is equipped with a total of 16 pins.When this case is used, the output current is set to 300mA.It is self-contained in an econtainer with a capacity of Peripheral Drivers.The LED driver is configured with a maximum supply voltage of 5.25V (Vsup).In this part, the power supply is set to 5V.
A2557SB-T Features
Supplied from 5V
A2557SB-T Applications
There are a lot of Allegro MicroSystems A2557SB-T Power Switches ICs applications.
- Hot Swap
- Hot Swap
- Smartphone and PDA
- Handheld Devices
- Portable Music Players
- Set-top-box
- PC Cards
- Gaming
- HDD and SSD
- Solid State Drivers