Torex Semiconductor XC9265 Ultra-Low Power Step-Down DC/DC Converters
Torex XC9265 Step-Down DC/DC Converters provide ultra-low power consumption during operation. Torex XC9265 DC/DC Converters combine a 0.5Ω P-channel driver transistor and a 0.5Ω synchronous N-channel switching transistor, making them ideal for battery-powered applications.
The XC9265 converters only require an inductor and two ceramic capacitors externally. The devices operate from 6V down to inputs as low as 2V. This low-power operation further maximizes battery life in portable applications. The internally set output voltage is in 0.1V increments between 1.0V to 4.0V (±2%).
An enable pin turns the IC on and off. An optional CL discharge function quickly discharges the output capacitor when the IC is turned off. During stand-by, the device shuts down all circuits to reduce consumption to less than 0.1μA.
Features
- 2.0V~6.0V input voltage range
- 1.0V~4.0V (±2.0%, 0.05V step increments) output voltage setting
- Output current
- 200mA (XC9265A/C)
- 50mA (XC9265B/D)
- ON resistance
- 0.5Ω typical (P-channel driver transistor)
- 0.5Ω typical (N-channel synchronous rectifier switch transistor)
- 0.50μA @ VOUT(T) = 1.8V typical supply (quiescent) current
- PFM control
- 50mV (VIN=3.6V, VOUT=1.8V, IOUT=10μA→50mA) high-speed transient
- PFM switching current
- 330mA (XC9265A/C)
- 180mA (XC9265B/D)
- Protection Circuits
- Short-circuit protection
- CL discharge (XC9265C/D)
- Undervoltage lockout
- Ceramic capacitor compatible
- -40°C～+85°C operating temperature range
- SOT-25, USP-6EL package
- Environmentally friendly: EU RoHS compliant, lead-free
Applications
- Wearable devices
- Smart meters
- BLUETOOTH® units
- Energy harvesting devices
- Back-up power supply circuits
- Portable game consoles
- Devices with 1 Lithium cell
Block Diagram
Related Products
Torex Semiconductor XC92x Synchronous Step-Down DC/DC Controller ICs
Equipped with synchronous rectification technology and feature a 1.8V to 30V input voltage range.
View Results ( 17 ) Page
| Part Number | Datasheet | Output Voltage | Output Current | Operating Supply Current |
|---|---|---|---|---|
| XC9265A301MR-G |  |
3 V | 200 mA | 800 nA |
| XC9265A331MR-G | |
3.3 V | 200 mA | 800 nA |
| XC9265B1814R-G | |
1.8 V | 50 mA | 500 nA |
| XC9265A251MR-G | |
2.5 V | 200 mA | 700 nA |
| XC9265A181MR-G | |
1.8 V | 200 mA | 500 nA |
| XC9265A151MR-G | |
1.5 V | 200 mA | 500 nA |
| XC9265B1514R-G | |
1.5 V | 50 mA | 500 nA |
| XC9265B181MR-G | |
1.8 V | 50 mA | 500 nA |
| XC9265B301MR-G | |
3 V | 50 mA | 800 nA |
| XC9265A281MR-G | |
2.8 V | 200 mA | 700 nA |
Published: 2016-06-15
| Updated: 2024-08-08