A2557KEB
| 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