The EL7554 is a full-feature synchronous 4A step-down regulator capable of up to 96% efficiency. This device operates from 3V to 6V VIN input supply. With internal CMOS power FETs, the device can operate at up to 100% duty ratio, allowing for output voltage range from 0.8V up to nearly VIN.The adjustable high switching frequency of up to 1MHz enables the use of small components, making the whole converter occupy less than 0.58 square inch with components on one side of the PCB. The EL7554 operates at constant frequency PWM mode, making external synchronization possible. The EL7554 features soft-start and full start-up control, which eliminates the in-rush current and enables users to control the start-up of multiple converters to any configuration with ease. The EL7554 also offers a ±5% voltage margining capability that allows raising and lowering of the supplies derived from the EL7554 to validate the performance and reliability of system cards quickly and easily during manufacturing testing. A junction temperature indicator conveniently monitors the silicon die temperature, saving designers time in the tedious thermal characterization.brb
IC REG BUCK ADJ 4A 28HTSSOP
Manufacturer: Intersil
Win Source Part Number: 1036208-EL7554IREZ
Packaging: Tube/Rail
Mounting: SMD (SMT)
Output Type: Adjustable
Topology: Buck
Frequency - Switching: 200kHz to 1MHz
Number of Outputs: 1
Synchronous Rectifier: Yes
Output Current: 4A
Family Name: EL7554
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 28-HTSSOP
Purpose: Step-Down
Maximum Input Voltage: 6V
Nominal Output Voltage (Min/Fixed): 0.8V
Maximum Output Voltage: 6V
Minimum Input Voltage: 3V
Alternative Parts (Cross-Reference): MAX8989EWL+T; MAX77271EWL+; MAX8989EWL+; MAX77271EWL+T;
Introduction Date: November 26, 2002
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2029
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 29 pct.
Supply and Demand Status: Limited
"Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 4A 28-TSSOP (0.173"", 4.40mm Width) Exposed Pad"
IC REG BUCK ADJ 4A 28HTSSOP
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 4A 28-TSSOP (0.173", 4.40mm Width) Exposed Pad
IC REG BUCK ADJ 4A 28HTSSOP
Switching Voltage Regulators LDFREE 7554 6 AMP DC:DC STP DWNG
| Renesas Electronics Corporation | ODG (Origin Data Global) | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | EL7554IREZ | EL7554IREZ | 1036208-EL7554IREZ | EL7554IREZ-ND | EL7554IREZ | EL7554IREZ | EL7554IREZ | EL7554IREZ |
| Product Name | Monolithic 4A DC/DC Step-Down Regulator | Voltage Regulators - DC DC Switching Regulators | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - EL7554IREZ | Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Switching Voltage Regulators |
| Configuration / Function | Buck | Buck | Buck; Buck | Buck | ||||
| Package Type | SSOP | Other; 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | SSOP; Other; 28-HTSSOP | Other; "28-TSSOP (0.173"", 4.40mm Width) Exposed Pad" | SSOP | SSOP; Other; 28-TSSOP (0.173\", 4.40mm Width) Exposed Pad | ||
| Output Voltage | 0.8000 to 6 volts | 0.8000 volts | 0.8000 volts | 0.8000 to 6 volts | 0.8000 volts | 0.8000 to 6 volts | ||
| IOUT | 4 amps | 4 amps | 4 amps | 4 amps | 4 amps | 4 amps | 4 amps | |
| VIN | 3 to 6 volts | 6 volts | 6 volts | 3 to 6 volts | 3 to 6 volts |
