AP63203WU 7 Diodes 3.3V 2A 1-CH Voltage Regulator Buck Converter IC - TSOT-23-6 Package

AP63203WU 7 3.3V 2A 1-CH Voltage Regulator Buck Converter IC is a high-efficiency synchronous step-down (buck) DC-DC converter designed to deliver a fixed 3.3V output with up to 2A continuous output current. Operating from a wide 3.8V to 32V input voltage range, it integrates power MOSFETs, soft-start, and multiple protection features to provide stable and efficient power conversion for industrial, consumer, and embedded electronic applications.

AP63203WU Buck Converter IC Datasheet

Features:

1. Wide 3.8V to 32V Input Voltage Range
2. Fixed 3.3V Output Voltage
3. 2A Continuous Output Current
4. High-Efficiency Synchronous Buck Converter
5. Integrated High-Side & Low-Side MOSFETs
6. 1.1MHz Fixed Switching Frequency
7. Pulse Frequency Modulation (PFM)
8. Frequency Spread Spectrum (FSS) for EMI Reduction
9. 22µA Typical Quiescent Current
10. Integrated Soft-Start
11. Enable Pin with Adjustable UVLO
12. Cycle-by-Cycle Current Limit Protection
13. Overvoltage Protection (OVP)
14. Thermal Shutdown Protection
15. Short-Circuit Protection
16. TSOT-23-6 Surface Mount Package
17. RoHS Compliant

Specifications:

Parameter	Value
Product Type	Synchronous Buck Converter IC
Part Number	AP63203WU-7
Package	TSOT-23-6
Output Voltage	Fixed 3.3V
Output Current	2A Continuous
Input Voltage	3.8V ~ 32V
Maximum Input Voltage	35V (40V Surge)
Switching Frequency	1.1MHz
Control Mode	PWM / PFM
High-Side MOSFET	125mΩ
Low-Side MOSFET	68mΩ
Quiescent Current	22µA (Typ.)
Shutdown Current	1µA (Typ.)
Soft-Start	4ms (Typ.)
Enable Threshold	1.18V (Typ.)
Operating Temperature	-40°C to +85°C
Mounting Type	Surface Mount
RoHS Compliance	Yes

Pin Configuration:

Pin	Name	Description
1	FB	Feedback Input
2	EN	Enable Input
3	VIN	Input Supply
4	GND	Ground
5	SW	Switching Output
6	BST	Bootstrap Supply

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Package Includes:

1 x AP63203WU Voltage Regulator Buck Converter IC - TSOT-23-6 Package