RT8248AGQW集成电路（IC）的特殊用途稳压器规格书PDF中文资料

特性 Features

PWM Controller

 Adjustable Current Limit with Low-Side RDS(ON)

Sensing

 Low Quiescent Supply Current

 Quick Load-Step Response within 100ns

 1 VVDDQ Accuracy Over Line and Load

 Adjustable 0.675V to 3.3V Output Range for 1.8V

(DDR2), 1.5V (DDR3), 1.35V (DDR3L), 1.2V (LPDDR3),

1.2V (DDR4) and 1.1V (LPDDR4)

 4.5V to 26V Battery Input Range

 Resistor Adjustable Frequency

 Over-/Under-Voltage Protection

 Internal Voltage Ramp Soft-Start

 Drives Large Synchronous Rectifier MOSFETs

 Power Good Indicator

1.5A LDO (VTT), Buffered Reference (VTTREF)

 Capable to Sink and Source Up to 1.5A

 LDO Input Available to Optimize Power Losses

 Requires Only 10μF Ceramic Output Capacitor

 Integrated Divider Tracks 1/2 VDDQ for both VTT

and VTTREF

 Accuracy ±20mV for both VTTREF and VTT

 Supports High-Z in S3 and Soft-Off in S4/S5