XC9207 series
High Frequency Step-down DC/DC Converter
- XC9206 PWM Control
- XC9207 PWM/PFM auto-switching
- XC9208 PWM/PFM manual control
The XC9206/07/08 series is a family of DC/DC converters with built in 0.4½ P-channel driver transistor for high efficiency operation at output currents up to 500mA. With switching frequencies up to 1.2MHz, small external parts can be used and the XC9206/7/8 is fully compatible with ceramic capacitors.
The designer can choose between fixed PWM operation (XC9206), PWM/PFM auto-switching (XC9207) and PWM/ PFM manual switching (XC9208). The switching operation for the XC9208 is manually controlled using the CE/MODE pin.
Offering fast response, ultra low output ripple and high efficiencies over the full range of output loads, the XC9206/07/08 series is ideal for a wide range of applications.
Features:
- Input Voltage: 1.8V ~ 6.0V
- Output Voltage: 0.9V ~ 4.0V
(0.1V steps)
- Output current: 500mA
- Oscillator Frequency: 300KHz,
600kHz or 1.2MHz
- Built-in current limit and soft start
circuit
- Small SOT23-5 package
- Compatible with ceramic capacitors
- Standby current: 0.5μA (max)
- U.V.L.O
Packages: SOT-25
, USP-6B
| Property | XC9207 | XC9207 | XC9207 |
| Type | Step-Down | Step-Down | Step-Down |
| Control | PFM/PWM | PFM/PWM | PFM/PWM |
| MOSFET | Internal | Internal | Internal |
| Typical Efficiency (%) | 90 | 90 | 90 |
| Min Operating Voltage (V) | 1.8 | 1.8 | 1.8 |
| Max Operating Voltage (V) | 6 | 6 | 6 |
| Min Output Voltage (V) | 0.9 | 0.9 | 0.9 |
| Max Output Voltage (V) | 4 | 4 | 4 |
| Accuracy (%) | 2 | 2 | 2 |
| Min Switching Frequency (kHz) | 300 | 600 | 1200 |
| Max Switching Frequency (kHz) | 300 | 600 | 1200 |
| Built-In Voltage Detector | No | No | No |
| Built-In Voltage Regulator | No | No | No |
| Max Output Current (mA) | 500 | 500 | 500 |
| Quiescent Current (uA) | N/A | N/A | N/A |
| Packages | SOT-25, USP-6B | SOT-25, USP-6B | SOT-25, USP-6B |
