The RT7257DHZSP is a synchronous step-down DC/DC converter capable of delivering up to 3A output current with an input voltage range of 4.5V to 18V. It features a current mode control architecture, which optimizes transient response across varying input voltages and load conditions. The device operates at a fixed frequency of 1.2MHz and allows for adjustable output voltage from 0.8V to 12V. Key protective features include cycle-by-cycle overcurrent protection, under voltage lockout, output under voltage protection, and thermal shutdown. The shutdown mode consumes less than 3OºA, making it suitable for battery-powered applications. The RT7257DHZSP is housed in an SOP-8 package with an exposed pad for enhanced thermal performance. It is compliant with RoHS and halogen-free standards, making it a viable option for environmentally conscious designs. Applications include wireless access points, set-top boxes, and low power industrial systems.
Manufacturer: Richtek USA Inc.
Win Source Part Number: 892514-RT7257DHZSP
Operating Temperature Range: -40°C ~ 85°C (TA)
Features: Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Package: Reel - TR
Package: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting: Surface Mount
Part Status: Discontinued at Digi-Key
Categories: Integrated Circuits (ICs)
Case / Package: 8-SOP-EP
ECCN: EAR99
Popularity: High
Fake Threat In the Open Market: 59 pct.
Supply and Demand Status: Limited
Quantity per package: 2500
MSL Level: 3 (168 Hours)
REACH Status: REACH Unaffected
HTSUS: 8542.39.0001
Other Part Number: 1028-1096-6, 1028-1096-2, 1028-1096-1, -RT7257DHZSP
"Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-SOIC (0.154"", 3.90mm Width) Exposed Pad"
"Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-SOIC (0.154"", 3.90mm Width) Exposed Pad"
"Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-SOIC (0.154"", 3.90mm Width) Exposed Pad"
IC REG BUCK ADJUSTABLE 3A 8SOP
IC REG BUCK ADJUSTABLE 3A 8SOP
Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-SOIC (0.154", 3.90mm Width) Exposed Pad
| Win Source Electronics | DigiKey | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 892514-RT7257DHZSP | 1028-1096-1-ND | RT7257DHZSP | RT7257DHZSP | RT7257DHZSP |
| Product Name | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - RT7257DHZSP | Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators |
| Package Type | SOIC; Other; 8-SOP-EP | SOIC; Other; "8-SOIC (0.154"", 3.90mm Width) Exposed Pad" | SOIC | SOIC; Other; 8-SOIC (0.154\", 3.90mm Width) Exposed Pad | |
| Life Cycle Stage | PhaseOut; Discontinued at Digi-Key | Removed | Discontinued at Digi-Key | ||
| Operating Temperature | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | |
| Configuration / Function | Buck | ||||
| Output Voltage Type | Adjustable / Variable | Adjustable / Variable | Adjustable / Variable; Adjustable |
