TPS51285A
FEATURES
APPLICATIONS
- 2 Input Voltage Range: 5 V to 24 V
- Notebook puters
- Output Voltages: 5 V and 3.3 V (Adjustable Range ±10%)
- Built-in, 100-m A, 5-V and 3.3-V LDOs
- Clock Output for Charge-Pump
- ±1% Reference Accuracy
- Adaptive On-Time D-CAP™ Mode Control
Architecture with 400 k Hz (CH1) and 475 k Hz (CH2) Frequency
- Auto-skip and ULQ™ modes for long battery life in system stand-by mode
- Internal 0.8-ms Voltage Servo Soft-Start
- Low-Side RDS(on) Current Sensing Scheme
- Built-In Output Discharge Function
- Separate Enable Input for Switchers
- Dedicated OC Setting Terminals
- Power Good Indicator
- OVP, UVP and OCP Protection
- Non-Latch UVLO and OTP Protection
- Tablet puters
DESCRIPTION
The TPS51285A and TPS51285B are cost-effective, dual synchronous buck controllers with 5-V and 3.3-V LDOs, targeted for notebook system-power supply solutions. The device achieves low power consumption by the use of auto-skip and ULQ™ modes, which is beneficial for long battery...
