A2557ELB-T
| 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~85°C TA |
| Packaging | Tube |
| Published | 2009 |
| JESD-609 Code | e3 |
| Feature | Status Flag |
| 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 |
| Terminal Form | GULL WING |
| Number of Functions | 4 |
| Supply Voltage | 5V |
| Terminal Pitch | 1.27mm |
| 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 |
| 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 |
| Output Current Flow Direction | SINK |
| Height Seated (Max) | 2.65mm |
| Length | 10.3mm |
| Width | 7.5mm |
| RoHS Status | ROHS3 Compliant |
A2557ELB-T Overview
The LED driver's packaged as a Tube.This package is included in 16-PowerSOIC (0.295, 7.50mm Width).The lighting driver is mounted in the Surface Mount position.It owns Relay, Solenoid Driver switch type.To ensure reliable operation, the temperature should be set to -40°C~85°C TA.As a default, the output is set to 4.The LED driving board operates at 4.75V~5.25V volts.The maximum output voltage of this LED driver is Bipolar volts.Currently, the LED driving board is equipped with Status Flag features.I believe it belongs to the A2557 family.It contains 16 terminations.16 pins are used for operation.As far as the lighting driver is concerned, there are 4 functions.The maximum output current is reduced to 500mA to meet the operation criteria.The supply voltage can be 5V for high efficiency.Surface Mount is mounted in the way of this lighting driver.16 pins are connected to it in total.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.The power supply of the part is 5V.
A2557ELB-T Features
Supplied from 5V
A2557ELB-T Applications
There are a lot of Allegro MicroSystems A2557ELB-T Power Switches ICs applications.
- Set-top-box
- USB Power Distribution
- Portable Devices
- USB3.1 Power Delivery
- USB Protection
- USB Power Distribution
- Portable GPS Device
- Hot Swaps
- Wireless/Networking Cards
- Storage (HDDs, SSDs)
