ADPL21504

RECOMMENDED FOR NEW DESIGNS

Micropower Step-Up DC/DC Converter in a ThinSOT Package

Analog Devices ADPL21504 Product Info

10 February 2026 8

Features

Low Quiescent Current:
- 20μA in Active Mode;
- <2μA in Shutdown Mode
Operates with a V_IN as Low as 1.2V
Low V_CESAT Switch: 270mV at 300mA

Uses Small Surface Mount Components
High Output Voltage: Up to 30V
Low Profile (1mm) ThinSOT^TM Package

Part details & applications

The ADPL21504 is a micropower step-up DC/DC converter in a 5-lead, low-profile (1mm) ThinSOT package. The ADPL21504 is designed for higher power systems with a 350mA current limit and an input voltage range of 1.2V to 15V. The ADPL21504 features a quiescent current of only 20μA at no load, which further reduces to 2μA (max) in shutdown. A current-limited, fixed off-time control scheme conserves operating current, resulting in high efficiency over a broad range of load currents. The 32V switch enables the generation of high-voltage outputs up to 30V in a simple boost topology, eliminating the need for costly transformers. The ADPL21504’s low off-time of 400ns permits the use of tiny, low-profile inductors and capacitors, minimizing footprint and cost in space-conscious portable applications.

APPLICATIONS

Portable Electronics
Battery Backup
Digital Cameras
Organic Light Emitting Diode (OLED) Power
Medical Diagnostic Equipment

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