Kinetic Technologies KTB8331 Programmable Buck Regulators
Kinetic Technologies KTB8331 Programmable Buck Regulators are precision adaptive-on-time (AOT) buck-switching regulators. The Kinetic Technologies KTB8331 features class-leading accuracy, transient response, efficiency, and solution size optimized for mobile and non-mobile applications. The devices are I2C programmable for output voltages in the 0.6V to 3.345V range.
Features
- 2.7 to 5.5V input voltage range
- 0.6 to 3.345V programmable output voltage
- 6.25mV steps below 1.39375V
- 15mV steps above 1.44V
- 3.0A output current
- ±1% accuracy at TA = +25°C
- ±2.5% over line/load/temp/setting
- Fast transient response
- Dynamic Voltage Scaling (DVS) with 8 ramp rates
- Soft-start with 10 ramp rates
- 89% peak efficiency at VOUT = 1.15625V
- 2.4MHz with auto-skip at light loads
- Programmable forced-PWM mode
- 48uA typ. no-load supply current in skip mode
- Tiny external components
- L = 330 or 470nH (2012 or 2016 metric size)
- CIN = 10µF (0402), COUT = 2x22µF (2x0402)
- Over-current, short-circuit, under/over-VIN, and thermal shutdown protections
- 1MHz I2C interface
- Open-drain IRQ output flag
- -40°C to 85°C operating temperature range
- 15-bump Pb-free WLCSP (0.4mm pitch)
- 1.340mm x 2.045mm (0.6mm height)
- Pin/register compatible with FAN53526
Applications
- CPU, GPU, AP, DSP, FPGA, I/O, XCVR power
- HDD, LPDDR3, LPDDR4 memory power
- Tablets, netbooks, ultra-books
- Smartphones, mobile internet devices, IoT
- DSC, drones, gaming consoles, accessories
Typical Application Schematic
Evaluation Board
Kinetic Technologies KTB8331 Evaluation Board
Evaluates and tests the KTB8331 precise adaptive-on-time (AOT) buck-switching regulator.
Publicado: 2022-12-08
| Actualizado: 2023-09-08