AP3428 Series

1.5MHZ, 1A STEP-DOWN DC-DC BUCK CONVERTER

Catalog

1.5MHZ, 1A STEP-DOWN DC-DC BUCK CONVERTER

Part	Current - Output	Package / Case	Grade	Mounting Type	Function	Operating Temperature [Max]	Operating Temperature [Min]	Topology	Output Type	Voltage - Input (Min) [Min]	Voltage - Output (Max) [Max]	Output Configuration	Voltage - Output (Min/Fixed)	Number of Outputs	Frequency - Switching	Voltage - Input (Max) [Max]	Supplier Device Package	Qualification
Diodes Inc AP3428WT-7	1 A	SOT-23-5 Thin TSOT-23-5	Automotive	Surface Mount	Step-Down	85 °C	-40 °C	Buck	Adjustable	2.5 V	5.5 V	Positive	0.6 V	1	1.5 MHz	5.5 V	TSOT-25	AEC-Q100
Diodes Inc AP3428KTTR-G1	1 A	SOT-23-5 Thin TSOT-23-5		Surface Mount	Step-Down	80 °C	-40 °C	Buck	Adjustable	2.5 V	5.5 V	Positive	0.6 V	1	1.5 MHz	5.5 V	TSOT-25
Diodes Inc AP3428AWT-7	1 A	SOT-23-5 Thin TSOT-23-5	Automotive	Surface Mount	Step-Down	85 °C	-40 °C	Buck	Adjustable	2.5 V	5.5 V	Positive	0.6 V	1	1.5 MHz	5.5 V	TSOT-25	AEC-Q100
Diodes Inc AP3428AKTTR-G1	1 A	SOT-23-5 Thin TSOT-23-5		Surface Mount	Step-Down	80 °C	-40 °C	Buck	Adjustable	2.5 V	5.5 V	Positive	0.6 V	1	1.5 MHz	5.5 V	TSOT-25

Catalog

1.5MHZ, 1A STEP-DOWN DC-DC BUCK CONVERTER

Key Features

• Output Current: Up to 1A

• Output Voltage: 0.6V to VIN

• Input Voltage: 2.5V to 5.5V

• 0.6V Reference Voltage With ±2% Precision

• 40μA (Typ) No Load Quiescent Current

• Shutdown Current: <1μA

• 100% Duty Cycle Operation

• 1.5MHz Switching Frequency

• Internal Soft Start

• No External Compensation Required

• Current Limit Protection

• Thermal Shutdown

• TSOT25, U-DFN2020-6 Packages

Description

The AP3428/A is a 1A step-down DC-DC converter. At heavy load, the constant-frequency PWM control performs excellent stability and transient response. No external compensation components are required.