Torex Semiconductor XC9141 & XC9142 Step-Up DC/DC Converters
Torex Semiconductor XC9141 and XC9142 Step-Up DC/DC Converters have a built-in 0.3Ω (typical) N-channel driver and 0.3Ω (typical) synchronous P-channel switching transistors. The XC9141 and XC9142 are highly efficient and provide a stable current that can be supplied by up to 0.8A. This is achieved by reducing ON resistance of the built-in transistors. Torex Semiconductor XC9141 and XC9142can start operation under a 0.9V input voltage to generate 3.3V output voltage with a 100Ω load resistor. This makes the converters suitable for mobile equipment using only one Alkaline battery or one Nickel-metal hydride battery.
Features
- 0.65V～6.0V input voltage range
- 1.8V～5.5V (0.1V increments) fixed output voltage
- 1.2MHz (±15%), 3.0MHz (±20%) oscillation frequency
- 0.8A input current
- 500mA @VOUT= 5.0V, VBAT= 3.3V (typical); 350mA @VOUT=3.3V, VBAT =1.8V (typical) output current
- PWM (XC9141) control mode selection
- Auto PWM/PFM (XC9142)
- 100mV; @VOUT=3.3V, VBAT =1.8V, IOUT=1mA→200mA load transient response
- Over-current limit, integral latch method (D,E,F type), and output short-circuit protection (D,E,F type) protections
- Soft-start, load disconnection function (A,C,D,F type), CL auto discharge function (A,D type), and bypass switch function (B,E type)
- Output ceramic capacitor
- -40℃～+85℃ operating ambient temperature range
- SOT-25, USP-6C, WLP-6-01 packages
- EU RoHS compliant, lead-free
Applications
- Portable equipment
- Beauty and health equipment
- Wearable devices
- Game and hobby
- PC peripherals
- Devices with 1~3 Alkaline, 1~3 Nickel Hydride, Lithium, and Li-ion
Block Diagram
公開: 2016-07-26
| 更新済み: 2022-03-11