Specification	RT7257BLZSP

Current - Output	3 A
Frequency - Switching	1.2 MHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package Features	Exposed Pad
Package Length	0.154 in
Package Name	8-SOIC, 8-SOP-EP
Package Width	3.9 mm
Synchronous Rectifier	Yes
Topology	Buck
Voltage - Input (Max)	18 V
Voltage - Input (Min)	4.5 V
Voltage - Output (Max)	12 V
Voltage - Output (Min/Fixed)	0.8 V

RT7257 Series

Part	Package Name	Voltage - Output (Max)	Frequency - Switching	Package Length	Package Features	Package Width	Function	Voltage - Output (Min/Fixed)	Current - Output	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Voltage - Input (Max)	Output Configuration	Number of Outputs	Synchronous Rectifier	Output Type	Voltage - Input (Min)	Topology
Richtek USA Inc. RT7257DHZSP	8-SOIC 8-SOP-EP	12 V	1.2 MHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck
Richtek USA Inc. RT7257CHZSP	8-SOIC 8-SOP-EP	15 V	340 kHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck
Richtek USA Inc. RT7257CLZSP	8-SOIC 8-SOP-EP	15 V	340 kHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck
Richtek USA Inc. RT7257BLZSP	8-SOIC 8-SOP-EP	12 V	1.2 MHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck
Richtek USA Inc. RT7257BHZSP	8-SOIC 8-SOP-EP	12 V	1.2 MHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck
Richtek USA Inc. RT7257GHZSP	8-SOIC 8-SOP-EP	12 V	800 kHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck
Richtek USA Inc. RT7257AHZSP	8-SOIC 8-SOP-EP	15 V	340 kHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck
Richtek USA Inc. RT7257DLZSP	8-SOIC 8-SOP-EP	12 V	1.2 MHz	0.154 in	Exposed Pad	3.9 mm	Step-Down	0.8 V	3 A	85 °C	-40 °C	Surface Mount	18 V	Positive	1	Yes	Adjustable	4.5 V	Buck

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RT7257BLZSP | Datasheet