600mA Step-down Converter
Features
- Vin Range: 2.7V to 5.5V
- Maximum Output Current 600mA
- High Efficiency Up to 9%
- Low Quiescent Current
- High Switching Frequency: 1.6MHz
- Low Dropout in 100% Duty Cycle
- Shutdown Current < 1µA
- No Schottky Diode Required
- Output Auto Discharge when Disabled (Option)
- Integrated Soft-Start : 170µs
- Adjustable Output Voltage Down to 0.6V
- Short Circuit Protection
- Over-Temperature Protection
- Pb-Free Packages:
- KTB851 : UTDFN-6, 1.6×1.6×0.55mm
- KTB851 : TDFN-6, 1.6×1.6×0.75mm
- KTB851A/B : TSOT23-5
- RoHS and Green Compliant
- -40°C to +85°C Temperature Range
Applications
- LED backlighting
- Handheld Devices
- Digital Photo Frames
- Automotive Navigation
Key Electrical Specifications
Vin(Min) | Vin(Max) | Control | Switching Frequency | Accuracy | Output
Auto-Discharge |
Max Current | Package |
2.7V | 5.5V | EN | 1.6MHz | ±3% | No | 0.25A
(@12Vout) |
UTDFN-6 1.6 x1.6 x 0.55mm,
TDFN-6 1.6 x1.6 x 0.75mm, TSOT23-5 |